http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newt/blob/b002dd0c/newt/vendor/golang.org/x/sys/unix/syscall_dragonfly_386.go ---------------------------------------------------------------------- diff --git a/newt/vendor/golang.org/x/sys/unix/syscall_dragonfly_386.go b/newt/vendor/golang.org/x/sys/unix/syscall_dragonfly_386.go new file mode 100644 index 0000000..41c2e69 --- /dev/null +++ b/newt/vendor/golang.org/x/sys/unix/syscall_dragonfly_386.go @@ -0,0 +1,63 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build 386,dragonfly + +package unix + +import ( + "syscall" + "unsafe" +) + +func Getpagesize() int { return 4096 } + +func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } + +func NsecToTimespec(nsec int64) (ts Timespec) { + ts.Sec = int32(nsec / 1e9) + ts.Nsec = int32(nsec % 1e9) + return +} + +func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } + +func NsecToTimeval(nsec int64) (tv Timeval) { + nsec += 999 // round up to microsecond + tv.Usec = int32(nsec % 1e9 / 1e3) + tv.Sec = int32(nsec / 1e9) + return +} + +func SetKevent(k *Kevent_t, fd, mode, flags int) { + k.Ident = uint32(fd) + k.Filter = int16(mode) + k.Flags = uint16(flags) +} + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint32(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint32(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint32(length) +} + +func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { + var writtenOut uint64 = 0 + _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0) + + written = int(writtenOut) + + if e1 != 0 { + err = e1 + } + return +} + +func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newt/blob/b002dd0c/newt/vendor/golang.org/x/sys/unix/syscall_dragonfly_amd64.go ---------------------------------------------------------------------- diff --git a/newt/vendor/golang.org/x/sys/unix/syscall_dragonfly_amd64.go b/newt/vendor/golang.org/x/sys/unix/syscall_dragonfly_amd64.go new file mode 100644 index 0000000..2ed9259 --- /dev/null +++ b/newt/vendor/golang.org/x/sys/unix/syscall_dragonfly_amd64.go @@ -0,0 +1,63 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build amd64,dragonfly + +package unix + +import ( + "syscall" + "unsafe" +) + +func Getpagesize() int { return 4096 } + +func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } + +func NsecToTimespec(nsec int64) (ts Timespec) { + ts.Sec = nsec / 1e9 + ts.Nsec = nsec % 1e9 + return +} + +func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } + +func NsecToTimeval(nsec int64) (tv Timeval) { + nsec += 999 // round up to microsecond + tv.Usec = nsec % 1e9 / 1e3 + tv.Sec = int64(nsec / 1e9) + return +} + +func SetKevent(k *Kevent_t, fd, mode, flags int) { + k.Ident = uint64(fd) + k.Filter = int16(mode) + k.Flags = uint16(flags) +} + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint64(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint32(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint32(length) +} + +func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { + var writtenOut uint64 = 0 + _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0, 0) + + written = int(writtenOut) + + if e1 != 0 { + err = e1 + } + return +} + +func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newt/blob/b002dd0c/newt/vendor/golang.org/x/sys/unix/syscall_freebsd.go ---------------------------------------------------------------------- diff --git a/newt/vendor/golang.org/x/sys/unix/syscall_freebsd.go b/newt/vendor/golang.org/x/sys/unix/syscall_freebsd.go new file mode 100644 index 0000000..ec56ed6 --- /dev/null +++ b/newt/vendor/golang.org/x/sys/unix/syscall_freebsd.go @@ -0,0 +1,682 @@ +// Copyright 2009,2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// FreeBSD system calls. +// This file is compiled as ordinary Go code, +// but it is also input to mksyscall, +// which parses the //sys lines and generates system call stubs. +// Note that sometimes we use a lowercase //sys name and wrap +// it in our own nicer implementation, either here or in +// syscall_bsd.go or syscall_unix.go. + +package unix + +import "unsafe" + +type SockaddrDatalink struct { + Len uint8 + Family uint8 + Index uint16 + Type uint8 + Nlen uint8 + Alen uint8 + Slen uint8 + Data [46]int8 + raw RawSockaddrDatalink +} + +// Translate "kern.hostname" to []_C_int{0,1,2,3}. +func nametomib(name string) (mib []_C_int, err error) { + const siz = unsafe.Sizeof(mib[0]) + + // NOTE(rsc): It seems strange to set the buffer to have + // size CTL_MAXNAME+2 but use only CTL_MAXNAME + // as the size. I don't know why the +2 is here, but the + // kernel uses +2 for its own implementation of this function. + // I am scared that if we don't include the +2 here, the kernel + // will silently write 2 words farther than we specify + // and we'll get memory corruption. + var buf [CTL_MAXNAME + 2]_C_int + n := uintptr(CTL_MAXNAME) * siz + + p := (*byte)(unsafe.Pointer(&buf[0])) + bytes, err := ByteSliceFromString(name) + if err != nil { + return nil, err + } + + // Magic sysctl: "setting" 0.3 to a string name + // lets you read back the array of integers form. + if err = sysctl([]_C_int{0, 3}, p, &n, &bytes[0], uintptr(len(name))); err != nil { + return nil, err + } + return buf[0 : n/siz], nil +} + +// ParseDirent parses up to max directory entries in buf, +// appending the names to names. It returns the number +// bytes consumed from buf, the number of entries added +// to names, and the new names slice. +func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { + origlen := len(buf) + for max != 0 && len(buf) > 0 { + dirent := (*Dirent)(unsafe.Pointer(&buf[0])) + if dirent.Reclen == 0 { + buf = nil + break + } + buf = buf[dirent.Reclen:] + if dirent.Fileno == 0 { // File absent in directory. + continue + } + bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0])) + var name = string(bytes[0:dirent.Namlen]) + if name == "." || name == ".." { // Useless names + continue + } + max-- + count++ + names = append(names, name) + } + return origlen - len(buf), count, names +} + +//sysnb pipe() (r int, w int, err error) + +func Pipe(p []int) (err error) { + if len(p) != 2 { + return EINVAL + } + p[0], p[1], err = pipe() + return +} + +func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) { + var value IPMreqn + vallen := _Socklen(SizeofIPMreqn) + errno := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, errno +} + +func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) { + return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) +} + +func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) { + var rsa RawSockaddrAny + var len _Socklen = SizeofSockaddrAny + nfd, err = accept4(fd, &rsa, &len, flags) + if err != nil { + return + } + if len > SizeofSockaddrAny { + panic("RawSockaddrAny too small") + } + sa, err = anyToSockaddr(&rsa) + if err != nil { + Close(nfd) + nfd = 0 + } + return +} + +func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { + var _p0 unsafe.Pointer + var bufsize uintptr + if len(buf) > 0 { + _p0 = unsafe.Pointer(&buf[0]) + bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) + } + r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags)) + n = int(r0) + if e1 != 0 { + err = e1 + } + return +} + +// Derive extattr namespace and attribute name + +func xattrnamespace(fullattr string) (ns int, attr string, err error) { + s := -1 + for idx, val := range fullattr { + if val == '.' { + s = idx + break + } + } + + if s == -1 { + return -1, "", ENOATTR + } + + namespace := fullattr[0:s] + attr = fullattr[s+1:] + + switch namespace { + case "user": + return EXTATTR_NAMESPACE_USER, attr, nil + case "system": + return EXTATTR_NAMESPACE_SYSTEM, attr, nil + default: + return -1, "", ENOATTR + } +} + +func initxattrdest(dest []byte, idx int) (d unsafe.Pointer) { + if len(dest) > idx { + return unsafe.Pointer(&dest[idx]) + } else { + return unsafe.Pointer(_zero) + } +} + +// FreeBSD implements its own syscalls to handle extended attributes + +func Getxattr(file string, attr string, dest []byte) (sz int, err error) { + d := initxattrdest(dest, 0) + destsize := len(dest) + + nsid, a, err := xattrnamespace(attr) + if err != nil { + return -1, err + } + + return ExtattrGetFile(file, nsid, a, uintptr(d), destsize) +} + +func Fgetxattr(fd int, attr string, dest []byte) (sz int, err error) { + d := initxattrdest(dest, 0) + destsize := len(dest) + + nsid, a, err := xattrnamespace(attr) + if err != nil { + return -1, err + } + + return ExtattrGetFd(fd, nsid, a, uintptr(d), destsize) +} + +func Lgetxattr(link string, attr string, dest []byte) (sz int, err error) { + d := initxattrdest(dest, 0) + destsize := len(dest) + + nsid, a, err := xattrnamespace(attr) + if err != nil { + return -1, err + } + + return ExtattrGetLink(link, nsid, a, uintptr(d), destsize) +} + +// flags are unused on FreeBSD + +func Fsetxattr(fd int, attr string, data []byte, flags int) (err error) { + d := unsafe.Pointer(&data[0]) + datasiz := len(data) + + nsid, a, err := xattrnamespace(attr) + if err != nil { + return + } + + _, err = ExtattrSetFd(fd, nsid, a, uintptr(d), datasiz) + return +} + +func Setxattr(file string, attr string, data []byte, flags int) (err error) { + d := unsafe.Pointer(&data[0]) + datasiz := len(data) + + nsid, a, err := xattrnamespace(attr) + if err != nil { + return + } + + _, err = ExtattrSetFile(file, nsid, a, uintptr(d), datasiz) + return +} + +func Lsetxattr(link string, attr string, data []byte, flags int) (err error) { + d := unsafe.Pointer(&data[0]) + datasiz := len(data) + + nsid, a, err := xattrnamespace(attr) + if err != nil { + return + } + + _, err = ExtattrSetLink(link, nsid, a, uintptr(d), datasiz) + return +} + +func Removexattr(file string, attr string) (err error) { + nsid, a, err := xattrnamespace(attr) + if err != nil { + return + } + + err = ExtattrDeleteFile(file, nsid, a) + return +} + +func Fremovexattr(fd int, attr string) (err error) { + nsid, a, err := xattrnamespace(attr) + if err != nil { + return + } + + err = ExtattrDeleteFd(fd, nsid, a) + return +} + +func Lremovexattr(link string, attr string) (err error) { + nsid, a, err := xattrnamespace(attr) + if err != nil { + return + } + + err = ExtattrDeleteLink(link, nsid, a) + return +} + +func Listxattr(file string, dest []byte) (sz int, err error) { + d := initxattrdest(dest, 0) + destsiz := len(dest) + + // FreeBSD won't allow you to list xattrs from multiple namespaces + s := 0 + var e error + for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} { + stmp, e := ExtattrListFile(file, nsid, uintptr(d), destsiz) + + /* Errors accessing system attrs are ignored so that + * we can implement the Linux-like behavior of omitting errors that + * we don't have read permissions on + * + * Linux will still error if we ask for user attributes on a file that + * we don't have read permissions on, so don't ignore those errors + */ + if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER { + e = nil + continue + } else if e != nil { + return s, e + } + + s += stmp + destsiz -= s + if destsiz < 0 { + destsiz = 0 + } + d = initxattrdest(dest, s) + } + + return s, e +} + +func Flistxattr(fd int, dest []byte) (sz int, err error) { + d := initxattrdest(dest, 0) + destsiz := len(dest) + + s := 0 + var e error + for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} { + stmp, e := ExtattrListFd(fd, nsid, uintptr(d), destsiz) + if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER { + e = nil + continue + } else if e != nil { + return s, e + } + + s += stmp + destsiz -= s + if destsiz < 0 { + destsiz = 0 + } + d = initxattrdest(dest, s) + } + + return s, e +} + +func Llistxattr(link string, dest []byte) (sz int, err error) { + d := initxattrdest(dest, 0) + destsiz := len(dest) + + s := 0 + var e error + for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} { + stmp, e := ExtattrListLink(link, nsid, uintptr(d), destsiz) + if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER { + e = nil + continue + } else if e != nil { + return s, e + } + + s += stmp + destsiz -= s + if destsiz < 0 { + destsiz = 0 + } + d = initxattrdest(dest, s) + } + + return s, e +} + +/* + * Exposed directly + */ +//sys Access(path string, mode uint32) (err error) +//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) +//sys Chdir(path string) (err error) +//sys Chflags(path string, flags int) (err error) +//sys Chmod(path string, mode uint32) (err error) +//sys Chown(path string, uid int, gid int) (err error) +//sys Chroot(path string) (err error) +//sys Close(fd int) (err error) +//sys Dup(fd int) (nfd int, err error) +//sys Dup2(from int, to int) (err error) +//sys Exit(code int) +//sys ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) +//sys ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) +//sys ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error) +//sys ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error) +//sys ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) +//sys ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) +//sys ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error) +//sys ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) +//sys ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) +//sys ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) +//sys ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error) +//sys ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) +//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE +//sys Fchdir(fd int) (err error) +//sys Fchflags(fd int, flags int) (err error) +//sys Fchmod(fd int, mode uint32) (err error) +//sys Fchown(fd int, uid int, gid int) (err error) +//sys Flock(fd int, how int) (err error) +//sys Fpathconf(fd int, name int) (val int, err error) +//sys Fstat(fd int, stat *Stat_t) (err error) +//sys Fstatfs(fd int, stat *Statfs_t) (err error) +//sys Fsync(fd int) (err error) +//sys Ftruncate(fd int, length int64) (err error) +//sys Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) +//sys Getdtablesize() (size int) +//sysnb Getegid() (egid int) +//sysnb Geteuid() (uid int) +//sysnb Getgid() (gid int) +//sysnb Getpgid(pid int) (pgid int, err error) +//sysnb Getpgrp() (pgrp int) +//sysnb Getpid() (pid int) +//sysnb Getppid() (ppid int) +//sys Getpriority(which int, who int) (prio int, err error) +//sysnb Getrlimit(which int, lim *Rlimit) (err error) +//sysnb Getrusage(who int, rusage *Rusage) (err error) +//sysnb Getsid(pid int) (sid int, err error) +//sysnb Gettimeofday(tv *Timeval) (err error) +//sysnb Getuid() (uid int) +//sys Issetugid() (tainted bool) +//sys Kill(pid int, signum syscall.Signal) (err error) +//sys Kqueue() (fd int, err error) +//sys Lchown(path string, uid int, gid int) (err error) +//sys Link(path string, link string) (err error) +//sys Listen(s int, backlog int) (err error) +//sys Lstat(path string, stat *Stat_t) (err error) +//sys Mkdir(path string, mode uint32) (err error) +//sys Mkfifo(path string, mode uint32) (err error) +//sys Mknod(path string, mode uint32, dev int) (err error) +//sys Mlock(b []byte) (err error) +//sys Mlockall(flags int) (err error) +//sys Mprotect(b []byte, prot int) (err error) +//sys Munlock(b []byte) (err error) +//sys Munlockall() (err error) +//sys Nanosleep(time *Timespec, leftover *Timespec) (err error) +//sys Open(path string, mode int, perm uint32) (fd int, err error) +//sys Pathconf(path string, name int) (val int, err error) +//sys Pread(fd int, p []byte, offset int64) (n int, err error) +//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) +//sys read(fd int, p []byte) (n int, err error) +//sys Readlink(path string, buf []byte) (n int, err error) +//sys Rename(from string, to string) (err error) +//sys Revoke(path string) (err error) +//sys Rmdir(path string) (err error) +//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK +//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) +//sysnb Setegid(egid int) (err error) +//sysnb Seteuid(euid int) (err error) +//sysnb Setgid(gid int) (err error) +//sys Setlogin(name string) (err error) +//sysnb Setpgid(pid int, pgid int) (err error) +//sys Setpriority(which int, who int, prio int) (err error) +//sysnb Setregid(rgid int, egid int) (err error) +//sysnb Setreuid(ruid int, euid int) (err error) +//sysnb Setresgid(rgid int, egid int, sgid int) (err error) +//sysnb Setresuid(ruid int, euid int, suid int) (err error) +//sysnb Setrlimit(which int, lim *Rlimit) (err error) +//sysnb Setsid() (pid int, err error) +//sysnb Settimeofday(tp *Timeval) (err error) +//sysnb Setuid(uid int) (err error) +//sys Stat(path string, stat *Stat_t) (err error) +//sys Statfs(path string, stat *Statfs_t) (err error) +//sys Symlink(path string, link string) (err error) +//sys Sync() (err error) +//sys Truncate(path string, length int64) (err error) +//sys Umask(newmask int) (oldmask int) +//sys Undelete(path string) (err error) +//sys Unlink(path string) (err error) +//sys Unmount(path string, flags int) (err error) +//sys write(fd int, p []byte) (n int, err error) +//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) +//sys munmap(addr uintptr, length uintptr) (err error) +//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ +//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE +//sys accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) + +/* + * Unimplemented + */ +// Profil +// Sigaction +// Sigprocmask +// Getlogin +// Sigpending +// Sigaltstack +// Ioctl +// Reboot +// Execve +// Vfork +// Sbrk +// Sstk +// Ovadvise +// Mincore +// Setitimer +// Swapon +// Select +// Sigsuspend +// Readv +// Writev +// Nfssvc +// Getfh +// Quotactl +// Mount +// Csops +// Waitid +// Add_profil +// Kdebug_trace +// Sigreturn +// Mmap +// Mlock +// Munlock +// Atsocket +// Kqueue_from_portset_np +// Kqueue_portset +// Getattrlist +// Setattrlist +// Getdirentriesattr +// Searchfs +// Delete +// Copyfile +// Poll +// Watchevent +// Waitevent +// Modwatch +// Getxattr +// Fgetxattr +// Setxattr +// Fsetxattr +// Removexattr +// Fremovexattr +// Listxattr +// Flistxattr +// Fsctl +// Initgroups +// Posix_spawn +// Nfsclnt +// Fhopen +// Minherit +// Semsys +// Msgsys +// Shmsys +// Semctl +// Semget +// Semop +// Msgctl +// Msgget +// Msgsnd +// Msgrcv +// Shmat +// Shmctl +// Shmdt +// Shmget +// Shm_open +// Shm_unlink +// Sem_open +// Sem_close +// Sem_unlink +// Sem_wait +// Sem_trywait +// Sem_post +// Sem_getvalue +// Sem_init +// Sem_destroy +// Open_extended +// Umask_extended +// Stat_extended +// Lstat_extended +// Fstat_extended +// Chmod_extended +// Fchmod_extended +// Access_extended +// Settid +// Gettid +// Setsgroups +// Getsgroups +// Setwgroups +// Getwgroups +// Mkfifo_extended +// Mkdir_extended +// Identitysvc +// Shared_region_check_np +// Shared_region_map_np +// __pthread_mutex_destroy +// __pthread_mutex_init +// __pthread_mutex_lock +// __pthread_mutex_trylock +// __pthread_mutex_unlock +// __pthread_cond_init +// __pthread_cond_destroy +// __pthread_cond_broadcast +// __pthread_cond_signal +// Setsid_with_pid +// __pthread_cond_timedwait +// Aio_fsync +// Aio_return +// Aio_suspend +// Aio_cancel +// Aio_error +// Aio_read +// Aio_write +// Lio_listio +// __pthread_cond_wait +// Iopolicysys +// Mlockall +// Munlockall +// __pthread_kill +// __pthread_sigmask +// __sigwait +// __disable_threadsignal +// __pthread_markcancel +// __pthread_canceled +// __semwait_signal +// Proc_info +// Stat64_extended +// Lstat64_extended +// Fstat64_extended +// __pthread_chdir +// __pthread_fchdir +// Audit +// Auditon +// Getauid +// Setauid +// Getaudit +// Setaudit +// Getaudit_addr +// Setaudit_addr +// Auditctl +// Bsdthread_create +// Bsdthread_terminate +// Stack_snapshot +// Bsdthread_register +// Workq_open +// Workq_ops +// __mac_execve +// __mac_syscall +// __mac_get_file +// __mac_set_file +// __mac_get_link +// __mac_set_link +// __mac_get_proc +// __mac_set_proc +// __mac_get_fd +// __mac_set_fd +// __mac_get_pid +// __mac_get_lcid +// __mac_get_lctx +// __mac_set_lctx +// Setlcid +// Read_nocancel +// Write_nocancel +// Open_nocancel +// Close_nocancel +// Wait4_nocancel +// Recvmsg_nocancel +// Sendmsg_nocancel +// Recvfrom_nocancel +// Accept_nocancel +// Msync_nocancel +// Fcntl_nocancel +// Select_nocancel +// Fsync_nocancel +// Connect_nocancel +// Sigsuspend_nocancel +// Readv_nocancel +// Writev_nocancel +// Sendto_nocancel +// Pread_nocancel +// Pwrite_nocancel +// Waitid_nocancel +// Poll_nocancel +// Msgsnd_nocancel +// Msgrcv_nocancel +// Sem_wait_nocancel +// Aio_suspend_nocancel +// __sigwait_nocancel +// __semwait_signal_nocancel +// __mac_mount +// __mac_get_mount +// __mac_getfsstat http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newt/blob/b002dd0c/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_386.go ---------------------------------------------------------------------- diff --git a/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_386.go b/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_386.go new file mode 100644 index 0000000..6255d40 --- /dev/null +++ b/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_386.go @@ -0,0 +1,63 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build 386,freebsd + +package unix + +import ( + "syscall" + "unsafe" +) + +func Getpagesize() int { return 4096 } + +func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } + +func NsecToTimespec(nsec int64) (ts Timespec) { + ts.Sec = int32(nsec / 1e9) + ts.Nsec = int32(nsec % 1e9) + return +} + +func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } + +func NsecToTimeval(nsec int64) (tv Timeval) { + nsec += 999 // round up to microsecond + tv.Usec = int32(nsec % 1e9 / 1e3) + tv.Sec = int32(nsec / 1e9) + return +} + +func SetKevent(k *Kevent_t, fd, mode, flags int) { + k.Ident = uint32(fd) + k.Filter = int16(mode) + k.Flags = uint16(flags) +} + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint32(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint32(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint32(length) +} + +func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { + var writtenOut uint64 = 0 + _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0) + + written = int(writtenOut) + + if e1 != 0 { + err = e1 + } + return +} + +func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newt/blob/b002dd0c/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_amd64.go ---------------------------------------------------------------------- diff --git a/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_amd64.go b/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_amd64.go new file mode 100644 index 0000000..8b395d5 --- /dev/null +++ b/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_amd64.go @@ -0,0 +1,63 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build amd64,freebsd + +package unix + +import ( + "syscall" + "unsafe" +) + +func Getpagesize() int { return 4096 } + +func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } + +func NsecToTimespec(nsec int64) (ts Timespec) { + ts.Sec = nsec / 1e9 + ts.Nsec = nsec % 1e9 + return +} + +func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } + +func NsecToTimeval(nsec int64) (tv Timeval) { + nsec += 999 // round up to microsecond + tv.Usec = nsec % 1e9 / 1e3 + tv.Sec = int64(nsec / 1e9) + return +} + +func SetKevent(k *Kevent_t, fd, mode, flags int) { + k.Ident = uint64(fd) + k.Filter = int16(mode) + k.Flags = uint16(flags) +} + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint64(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint32(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint32(length) +} + +func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { + var writtenOut uint64 = 0 + _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0, 0) + + written = int(writtenOut) + + if e1 != 0 { + err = e1 + } + return +} + +func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newt/blob/b002dd0c/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_arm.go ---------------------------------------------------------------------- diff --git a/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_arm.go b/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_arm.go new file mode 100644 index 0000000..4e72d46 --- /dev/null +++ b/newt/vendor/golang.org/x/sys/unix/syscall_freebsd_arm.go @@ -0,0 +1,63 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build arm,freebsd + +package unix + +import ( + "syscall" + "unsafe" +) + +func Getpagesize() int { return 4096 } + +func TimespecToNsec(ts Timespec) int64 { return ts.Sec*1e9 + int64(ts.Nsec) } + +func NsecToTimespec(nsec int64) (ts Timespec) { + ts.Sec = nsec / 1e9 + ts.Nsec = int32(nsec % 1e9) + return +} + +func TimevalToNsec(tv Timeval) int64 { return tv.Sec*1e9 + int64(tv.Usec)*1e3 } + +func NsecToTimeval(nsec int64) (tv Timeval) { + nsec += 999 // round up to microsecond + tv.Usec = int32(nsec % 1e9 / 1e3) + tv.Sec = nsec / 1e9 + return +} + +func SetKevent(k *Kevent_t, fd, mode, flags int) { + k.Ident = uint32(fd) + k.Filter = int16(mode) + k.Flags = uint16(flags) +} + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint32(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint32(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint32(length) +} + +func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { + var writtenOut uint64 = 0 + _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0) + + written = int(writtenOut) + + if e1 != 0 { + err = e1 + } + return +} + +func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newt/blob/b002dd0c/newt/vendor/golang.org/x/sys/unix/syscall_linux.go ---------------------------------------------------------------------- diff --git a/newt/vendor/golang.org/x/sys/unix/syscall_linux.go b/newt/vendor/golang.org/x/sys/unix/syscall_linux.go new file mode 100644 index 0000000..88c8e04 --- /dev/null +++ b/newt/vendor/golang.org/x/sys/unix/syscall_linux.go @@ -0,0 +1,1097 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Linux system calls. +// This file is compiled as ordinary Go code, +// but it is also input to mksyscall, +// which parses the //sys lines and generates system call stubs. +// Note that sometimes we use a lowercase //sys name and +// wrap it in our own nicer implementation. + +package unix + +import ( + "syscall" + "unsafe" +) + +/* + * Wrapped + */ + +func Access(path string, mode uint32) (err error) { + return Faccessat(AT_FDCWD, path, mode, 0) +} + +func Chmod(path string, mode uint32) (err error) { + return Fchmodat(AT_FDCWD, path, mode, 0) +} + +func Chown(path string, uid int, gid int) (err error) { + return Fchownat(AT_FDCWD, path, uid, gid, 0) +} + +func Creat(path string, mode uint32) (fd int, err error) { + return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode) +} + +//sys linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) + +func Link(oldpath string, newpath string) (err error) { + return linkat(AT_FDCWD, oldpath, AT_FDCWD, newpath, 0) +} + +func Mkdir(path string, mode uint32) (err error) { + return Mkdirat(AT_FDCWD, path, mode) +} + +func Mknod(path string, mode uint32, dev int) (err error) { + return Mknodat(AT_FDCWD, path, mode, dev) +} + +func Open(path string, mode int, perm uint32) (fd int, err error) { + return openat(AT_FDCWD, path, mode|O_LARGEFILE, perm) +} + +//sys openat(dirfd int, path string, flags int, mode uint32) (fd int, err error) + +func Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error) { + return openat(dirfd, path, flags|O_LARGEFILE, mode) +} + +//sys readlinkat(dirfd int, path string, buf []byte) (n int, err error) + +func Readlink(path string, buf []byte) (n int, err error) { + return readlinkat(AT_FDCWD, path, buf) +} + +func Rename(oldpath string, newpath string) (err error) { + return Renameat(AT_FDCWD, oldpath, AT_FDCWD, newpath) +} + +func Rmdir(path string) error { + return unlinkat(AT_FDCWD, path, AT_REMOVEDIR) +} + +//sys symlinkat(oldpath string, newdirfd int, newpath string) (err error) + +func Symlink(oldpath string, newpath string) (err error) { + return symlinkat(oldpath, AT_FDCWD, newpath) +} + +func Unlink(path string) error { + return unlinkat(AT_FDCWD, path, 0) +} + +//sys unlinkat(dirfd int, path string, flags int) (err error) + +func Unlinkat(dirfd int, path string, flags int) error { + return unlinkat(dirfd, path, flags) +} + +//sys utimes(path string, times *[2]Timeval) (err error) + +func Utimes(path string, tv []Timeval) error { + if tv == nil { + err := utimensat(AT_FDCWD, path, nil, 0) + if err != ENOSYS { + return err + } + return utimes(path, nil) + } + if len(tv) != 2 { + return EINVAL + } + var ts [2]Timespec + ts[0] = NsecToTimespec(TimevalToNsec(tv[0])) + ts[1] = NsecToTimespec(TimevalToNsec(tv[1])) + err := utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) + if err != ENOSYS { + return err + } + return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) +} + +//sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) + +func UtimesNano(path string, ts []Timespec) error { + if ts == nil { + err := utimensat(AT_FDCWD, path, nil, 0) + if err != ENOSYS { + return err + } + return utimes(path, nil) + } + if len(ts) != 2 { + return EINVAL + } + err := utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) + if err != ENOSYS { + return err + } + // If the utimensat syscall isn't available (utimensat was added to Linux + // in 2.6.22, Released, 8 July 2007) then fall back to utimes + var tv [2]Timeval + for i := 0; i < 2; i++ { + tv[i].Sec = ts[i].Sec + tv[i].Usec = ts[i].Nsec / 1000 + } + return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) +} + +func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error { + if ts == nil { + return utimensat(dirfd, path, nil, flags) + } + if len(ts) != 2 { + return EINVAL + } + return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags) +} + +//sys futimesat(dirfd int, path *byte, times *[2]Timeval) (err error) + +func Futimesat(dirfd int, path string, tv []Timeval) error { + pathp, err := BytePtrFromString(path) + if err != nil { + return err + } + if tv == nil { + return futimesat(dirfd, pathp, nil) + } + if len(tv) != 2 { + return EINVAL + } + return futimesat(dirfd, pathp, (*[2]Timeval)(unsafe.Pointer(&tv[0]))) +} + +func Futimes(fd int, tv []Timeval) (err error) { + // Believe it or not, this is the best we can do on Linux + // (and is what glibc does). + return Utimes("/proc/self/fd/"+itoa(fd), tv) +} + +const ImplementsGetwd = true + +//sys Getcwd(buf []byte) (n int, err error) + +func Getwd() (wd string, err error) { + var buf [PathMax]byte + n, err := Getcwd(buf[0:]) + if err != nil { + return "", err + } + // Getcwd returns the number of bytes written to buf, including the NUL. + if n < 1 || n > len(buf) || buf[n-1] != 0 { + return "", EINVAL + } + return string(buf[0 : n-1]), nil +} + +func Getgroups() (gids []int, err error) { + n, err := getgroups(0, nil) + if err != nil { + return nil, err + } + if n == 0 { + return nil, nil + } + + // Sanity check group count. Max is 1<<16 on Linux. + if n < 0 || n > 1<<20 { + return nil, EINVAL + } + + a := make([]_Gid_t, n) + n, err = getgroups(n, &a[0]) + if err != nil { + return nil, err + } + gids = make([]int, n) + for i, v := range a[0:n] { + gids[i] = int(v) + } + return +} + +func Setgroups(gids []int) (err error) { + if len(gids) == 0 { + return setgroups(0, nil) + } + + a := make([]_Gid_t, len(gids)) + for i, v := range gids { + a[i] = _Gid_t(v) + } + return setgroups(len(a), &a[0]) +} + +type WaitStatus uint32 + +// Wait status is 7 bits at bottom, either 0 (exited), +// 0x7F (stopped), or a signal number that caused an exit. +// The 0x80 bit is whether there was a core dump. +// An extra number (exit code, signal causing a stop) +// is in the high bits. At least that's the idea. +// There are various irregularities. For example, the +// "continued" status is 0xFFFF, distinguishing itself +// from stopped via the core dump bit. + +const ( + mask = 0x7F + core = 0x80 + exited = 0x00 + stopped = 0x7F + shift = 8 +) + +func (w WaitStatus) Exited() bool { return w&mask == exited } + +func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != exited } + +func (w WaitStatus) Stopped() bool { return w&0xFF == stopped } + +func (w WaitStatus) Continued() bool { return w == 0xFFFF } + +func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 } + +func (w WaitStatus) ExitStatus() int { + if !w.Exited() { + return -1 + } + return int(w>>shift) & 0xFF +} + +func (w WaitStatus) Signal() syscall.Signal { + if !w.Signaled() { + return -1 + } + return syscall.Signal(w & mask) +} + +func (w WaitStatus) StopSignal() syscall.Signal { + if !w.Stopped() { + return -1 + } + return syscall.Signal(w>>shift) & 0xFF +} + +func (w WaitStatus) TrapCause() int { + if w.StopSignal() != SIGTRAP { + return -1 + } + return int(w>>shift) >> 8 +} + +//sys wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error) + +func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) { + var status _C_int + wpid, err = wait4(pid, &status, options, rusage) + if wstatus != nil { + *wstatus = WaitStatus(status) + } + return +} + +func Mkfifo(path string, mode uint32) (err error) { + return Mknod(path, mode|S_IFIFO, 0) +} + +func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) { + if sa.Port < 0 || sa.Port > 0xFFFF { + return nil, 0, EINVAL + } + sa.raw.Family = AF_INET + p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) + p[0] = byte(sa.Port >> 8) + p[1] = byte(sa.Port) + for i := 0; i < len(sa.Addr); i++ { + sa.raw.Addr[i] = sa.Addr[i] + } + return unsafe.Pointer(&sa.raw), SizeofSockaddrInet4, nil +} + +func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) { + if sa.Port < 0 || sa.Port > 0xFFFF { + return nil, 0, EINVAL + } + sa.raw.Family = AF_INET6 + p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port)) + p[0] = byte(sa.Port >> 8) + p[1] = byte(sa.Port) + sa.raw.Scope_id = sa.ZoneId + for i := 0; i < len(sa.Addr); i++ { + sa.raw.Addr[i] = sa.Addr[i] + } + return unsafe.Pointer(&sa.raw), SizeofSockaddrInet6, nil +} + +func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) { + name := sa.Name + n := len(name) + if n >= len(sa.raw.Path) { + return nil, 0, EINVAL + } + sa.raw.Family = AF_UNIX + for i := 0; i < n; i++ { + sa.raw.Path[i] = int8(name[i]) + } + // length is family (uint16), name, NUL. + sl := _Socklen(2) + if n > 0 { + sl += _Socklen(n) + 1 + } + if sa.raw.Path[0] == '@' { + sa.raw.Path[0] = 0 + // Don't count trailing NUL for abstract address. + sl-- + } + + return unsafe.Pointer(&sa.raw), sl, nil +} + +type SockaddrLinklayer struct { + Protocol uint16 + Ifindex int + Hatype uint16 + Pkttype uint8 + Halen uint8 + Addr [8]byte + raw RawSockaddrLinklayer +} + +func (sa *SockaddrLinklayer) sockaddr() (unsafe.Pointer, _Socklen, error) { + if sa.Ifindex < 0 || sa.Ifindex > 0x7fffffff { + return nil, 0, EINVAL + } + sa.raw.Family = AF_PACKET + sa.raw.Protocol = sa.Protocol + sa.raw.Ifindex = int32(sa.Ifindex) + sa.raw.Hatype = sa.Hatype + sa.raw.Pkttype = sa.Pkttype + sa.raw.Halen = sa.Halen + for i := 0; i < len(sa.Addr); i++ { + sa.raw.Addr[i] = sa.Addr[i] + } + return unsafe.Pointer(&sa.raw), SizeofSockaddrLinklayer, nil +} + +type SockaddrNetlink struct { + Family uint16 + Pad uint16 + Pid uint32 + Groups uint32 + raw RawSockaddrNetlink +} + +func (sa *SockaddrNetlink) sockaddr() (unsafe.Pointer, _Socklen, error) { + sa.raw.Family = AF_NETLINK + sa.raw.Pad = sa.Pad + sa.raw.Pid = sa.Pid + sa.raw.Groups = sa.Groups + return unsafe.Pointer(&sa.raw), SizeofSockaddrNetlink, nil +} + +func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) { + switch rsa.Addr.Family { + case AF_NETLINK: + pp := (*RawSockaddrNetlink)(unsafe.Pointer(rsa)) + sa := new(SockaddrNetlink) + sa.Family = pp.Family + sa.Pad = pp.Pad + sa.Pid = pp.Pid + sa.Groups = pp.Groups + return sa, nil + + case AF_PACKET: + pp := (*RawSockaddrLinklayer)(unsafe.Pointer(rsa)) + sa := new(SockaddrLinklayer) + sa.Protocol = pp.Protocol + sa.Ifindex = int(pp.Ifindex) + sa.Hatype = pp.Hatype + sa.Pkttype = pp.Pkttype + sa.Halen = pp.Halen + for i := 0; i < len(sa.Addr); i++ { + sa.Addr[i] = pp.Addr[i] + } + return sa, nil + + case AF_UNIX: + pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa)) + sa := new(SockaddrUnix) + if pp.Path[0] == 0 { + // "Abstract" Unix domain socket. + // Rewrite leading NUL as @ for textual display. + // (This is the standard convention.) + // Not friendly to overwrite in place, + // but the callers below don't care. + pp.Path[0] = '@' + } + + // Assume path ends at NUL. + // This is not technically the Linux semantics for + // abstract Unix domain sockets--they are supposed + // to be uninterpreted fixed-size binary blobs--but + // everyone uses this convention. + n := 0 + for n < len(pp.Path) && pp.Path[n] != 0 { + n++ + } + bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n] + sa.Name = string(bytes) + return sa, nil + + case AF_INET: + pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa)) + sa := new(SockaddrInet4) + p := (*[2]byte)(unsafe.Pointer(&pp.Port)) + sa.Port = int(p[0])<<8 + int(p[1]) + for i := 0; i < len(sa.Addr); i++ { + sa.Addr[i] = pp.Addr[i] + } + return sa, nil + + case AF_INET6: + pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa)) + sa := new(SockaddrInet6) + p := (*[2]byte)(unsafe.Pointer(&pp.Port)) + sa.Port = int(p[0])<<8 + int(p[1]) + sa.ZoneId = pp.Scope_id + for i := 0; i < len(sa.Addr); i++ { + sa.Addr[i] = pp.Addr[i] + } + return sa, nil + } + return nil, EAFNOSUPPORT +} + +func Accept(fd int) (nfd int, sa Sockaddr, err error) { + var rsa RawSockaddrAny + var len _Socklen = SizeofSockaddrAny + nfd, err = accept(fd, &rsa, &len) + if err != nil { + return + } + sa, err = anyToSockaddr(&rsa) + if err != nil { + Close(nfd) + nfd = 0 + } + return +} + +func Accept4(fd int, flags int) (nfd int, sa Sockaddr, err error) { + var rsa RawSockaddrAny + var len _Socklen = SizeofSockaddrAny + nfd, err = accept4(fd, &rsa, &len, flags) + if err != nil { + return + } + if len > SizeofSockaddrAny { + panic("RawSockaddrAny too small") + } + sa, err = anyToSockaddr(&rsa) + if err != nil { + Close(nfd) + nfd = 0 + } + return +} + +func Getsockname(fd int) (sa Sockaddr, err error) { + var rsa RawSockaddrAny + var len _Socklen = SizeofSockaddrAny + if err = getsockname(fd, &rsa, &len); err != nil { + return + } + return anyToSockaddr(&rsa) +} + +func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) { + vallen := _Socklen(4) + err = getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen) + return value, err +} + +func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) { + var value IPMreq + vallen := _Socklen(SizeofIPMreq) + err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, err +} + +func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) { + var value IPMreqn + vallen := _Socklen(SizeofIPMreqn) + err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, err +} + +func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) { + var value IPv6Mreq + vallen := _Socklen(SizeofIPv6Mreq) + err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, err +} + +func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) { + var value IPv6MTUInfo + vallen := _Socklen(SizeofIPv6MTUInfo) + err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, err +} + +func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) { + var value ICMPv6Filter + vallen := _Socklen(SizeofICMPv6Filter) + err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, err +} + +func GetsockoptUcred(fd, level, opt int) (*Ucred, error) { + var value Ucred + vallen := _Socklen(SizeofUcred) + err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, err +} + +func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) { + return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) +} + +func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) { + var msg Msghdr + var rsa RawSockaddrAny + msg.Name = (*byte)(unsafe.Pointer(&rsa)) + msg.Namelen = uint32(SizeofSockaddrAny) + var iov Iovec + if len(p) > 0 { + iov.Base = (*byte)(unsafe.Pointer(&p[0])) + iov.SetLen(len(p)) + } + var dummy byte + if len(oob) > 0 { + // receive at least one normal byte + if len(p) == 0 { + iov.Base = &dummy + iov.SetLen(1) + } + msg.Control = (*byte)(unsafe.Pointer(&oob[0])) + msg.SetControllen(len(oob)) + } + msg.Iov = &iov + msg.Iovlen = 1 + if n, err = recvmsg(fd, &msg, flags); err != nil { + return + } + oobn = int(msg.Controllen) + recvflags = int(msg.Flags) + // source address is only specified if the socket is unconnected + if rsa.Addr.Family != AF_UNSPEC { + from, err = anyToSockaddr(&rsa) + } + return +} + +func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { + _, err = SendmsgN(fd, p, oob, to, flags) + return +} + +func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) { + var ptr unsafe.Pointer + var salen _Socklen + if to != nil { + var err error + ptr, salen, err = to.sockaddr() + if err != nil { + return 0, err + } + } + var msg Msghdr + msg.Name = (*byte)(unsafe.Pointer(ptr)) + msg.Namelen = uint32(salen) + var iov Iovec + if len(p) > 0 { + iov.Base = (*byte)(unsafe.Pointer(&p[0])) + iov.SetLen(len(p)) + } + var dummy byte + if len(oob) > 0 { + // send at least one normal byte + if len(p) == 0 { + iov.Base = &dummy + iov.SetLen(1) + } + msg.Control = (*byte)(unsafe.Pointer(&oob[0])) + msg.SetControllen(len(oob)) + } + msg.Iov = &iov + msg.Iovlen = 1 + if n, err = sendmsg(fd, &msg, flags); err != nil { + return 0, err + } + if len(oob) > 0 && len(p) == 0 { + n = 0 + } + return n, nil +} + +// BindToDevice binds the socket associated with fd to device. +func BindToDevice(fd int, device string) (err error) { + return SetsockoptString(fd, SOL_SOCKET, SO_BINDTODEVICE, device) +} + +//sys ptrace(request int, pid int, addr uintptr, data uintptr) (err error) + +func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, err error) { + // The peek requests are machine-size oriented, so we wrap it + // to retrieve arbitrary-length data. + + // The ptrace syscall differs from glibc's ptrace. + // Peeks returns the word in *data, not as the return value. + + var buf [sizeofPtr]byte + + // Leading edge. PEEKTEXT/PEEKDATA don't require aligned + // access (PEEKUSER warns that it might), but if we don't + // align our reads, we might straddle an unmapped page + // boundary and not get the bytes leading up to the page + // boundary. + n := 0 + if addr%sizeofPtr != 0 { + err = ptrace(req, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[0]))) + if err != nil { + return 0, err + } + n += copy(out, buf[addr%sizeofPtr:]) + out = out[n:] + } + + // Remainder. + for len(out) > 0 { + // We use an internal buffer to guarantee alignment. + // It's not documented if this is necessary, but we're paranoid. + err = ptrace(req, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0]))) + if err != nil { + return n, err + } + copied := copy(out, buf[0:]) + n += copied + out = out[copied:] + } + + return n, nil +} + +func PtracePeekText(pid int, addr uintptr, out []byte) (count int, err error) { + return ptracePeek(PTRACE_PEEKTEXT, pid, addr, out) +} + +func PtracePeekData(pid int, addr uintptr, out []byte) (count int, err error) { + return ptracePeek(PTRACE_PEEKDATA, pid, addr, out) +} + +func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (count int, err error) { + // As for ptracePeek, we need to align our accesses to deal + // with the possibility of straddling an invalid page. + + // Leading edge. + n := 0 + if addr%sizeofPtr != 0 { + var buf [sizeofPtr]byte + err = ptrace(peekReq, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[0]))) + if err != nil { + return 0, err + } + n += copy(buf[addr%sizeofPtr:], data) + word := *((*uintptr)(unsafe.Pointer(&buf[0]))) + err = ptrace(pokeReq, pid, addr-addr%sizeofPtr, word) + if err != nil { + return 0, err + } + data = data[n:] + } + + // Interior. + for len(data) > sizeofPtr { + word := *((*uintptr)(unsafe.Pointer(&data[0]))) + err = ptrace(pokeReq, pid, addr+uintptr(n), word) + if err != nil { + return n, err + } + n += sizeofPtr + data = data[sizeofPtr:] + } + + // Trailing edge. + if len(data) > 0 { + var buf [sizeofPtr]byte + err = ptrace(peekReq, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0]))) + if err != nil { + return n, err + } + copy(buf[0:], data) + word := *((*uintptr)(unsafe.Pointer(&buf[0]))) + err = ptrace(pokeReq, pid, addr+uintptr(n), word) + if err != nil { + return n, err + } + n += len(data) + } + + return n, nil +} + +func PtracePokeText(pid int, addr uintptr, data []byte) (count int, err error) { + return ptracePoke(PTRACE_POKETEXT, PTRACE_PEEKTEXT, pid, addr, data) +} + +func PtracePokeData(pid int, addr uintptr, data []byte) (count int, err error) { + return ptracePoke(PTRACE_POKEDATA, PTRACE_PEEKDATA, pid, addr, data) +} + +func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) { + return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout))) +} + +func PtraceSetRegs(pid int, regs *PtraceRegs) (err error) { + return ptrace(PTRACE_SETREGS, pid, 0, uintptr(unsafe.Pointer(regs))) +} + +func PtraceSetOptions(pid int, options int) (err error) { + return ptrace(PTRACE_SETOPTIONS, pid, 0, uintptr(options)) +} + +func PtraceGetEventMsg(pid int) (msg uint, err error) { + var data _C_long + err = ptrace(PTRACE_GETEVENTMSG, pid, 0, uintptr(unsafe.Pointer(&data))) + msg = uint(data) + return +} + +func PtraceCont(pid int, signal int) (err error) { + return ptrace(PTRACE_CONT, pid, 0, uintptr(signal)) +} + +func PtraceSyscall(pid int, signal int) (err error) { + return ptrace(PTRACE_SYSCALL, pid, 0, uintptr(signal)) +} + +func PtraceSingleStep(pid int) (err error) { return ptrace(PTRACE_SINGLESTEP, pid, 0, 0) } + +func PtraceAttach(pid int) (err error) { return ptrace(PTRACE_ATTACH, pid, 0, 0) } + +func PtraceDetach(pid int) (err error) { return ptrace(PTRACE_DETACH, pid, 0, 0) } + +//sys reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) + +func Reboot(cmd int) (err error) { + return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "") +} + +func clen(n []byte) int { + for i := 0; i < len(n); i++ { + if n[i] == 0 { + return i + } + } + return len(n) +} + +func ReadDirent(fd int, buf []byte) (n int, err error) { + return Getdents(fd, buf) +} + +func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { + origlen := len(buf) + count = 0 + for max != 0 && len(buf) > 0 { + dirent := (*Dirent)(unsafe.Pointer(&buf[0])) + buf = buf[dirent.Reclen:] + if dirent.Ino == 0 { // File absent in directory. + continue + } + bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0])) + var name = string(bytes[0:clen(bytes[:])]) + if name == "." || name == ".." { // Useless names + continue + } + max-- + count++ + names = append(names, name) + } + return origlen - len(buf), count, names +} + +//sys mount(source string, target string, fstype string, flags uintptr, data *byte) (err error) + +func Mount(source string, target string, fstype string, flags uintptr, data string) (err error) { + // Certain file systems get rather angry and EINVAL if you give + // them an empty string of data, rather than NULL. + if data == "" { + return mount(source, target, fstype, flags, nil) + } + datap, err := BytePtrFromString(data) + if err != nil { + return err + } + return mount(source, target, fstype, flags, datap) +} + +// Sendto +// Recvfrom +// Socketpair + +/* + * Direct access + */ +//sys Acct(path string) (err error) +//sys Adjtimex(buf *Timex) (state int, err error) +//sys Chdir(path string) (err error) +//sys Chroot(path string) (err error) +//sys ClockGettime(clockid int32, time *Timespec) (err error) +//sys Close(fd int) (err error) +//sys Dup(oldfd int) (fd int, err error) +//sys Dup3(oldfd int, newfd int, flags int) (err error) +//sysnb EpollCreate(size int) (fd int, err error) +//sysnb EpollCreate1(flag int) (fd int, err error) +//sysnb EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error) +//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) +//sys Exit(code int) = SYS_EXIT_GROUP +//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) +//sys Fallocate(fd int, mode uint32, off int64, len int64) (err error) +//sys Fchdir(fd int) (err error) +//sys Fchmod(fd int, mode uint32) (err error) +//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) +//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) +//sys fcntl(fd int, cmd int, arg int) (val int, err error) +//sys Fdatasync(fd int) (err error) +//sys Flock(fd int, how int) (err error) +//sys Fsync(fd int) (err error) +//sys Getdents(fd int, buf []byte) (n int, err error) = SYS_GETDENTS64 +//sysnb Getpgid(pid int) (pgid int, err error) + +func Getpgrp() (pid int) { + pid, _ = Getpgid(0) + return +} + +//sysnb Getpid() (pid int) +//sysnb Getppid() (ppid int) +//sys Getpriority(which int, who int) (prio int, err error) +//sysnb Getrusage(who int, rusage *Rusage) (err error) +//sysnb Gettid() (tid int) +//sys Getxattr(path string, attr string, dest []byte) (sz int, err error) +//sys InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error) +//sysnb InotifyInit1(flags int) (fd int, err error) +//sysnb InotifyRmWatch(fd int, watchdesc uint32) (success int, err error) +//sysnb Kill(pid int, sig syscall.Signal) (err error) +//sys Klogctl(typ int, buf []byte) (n int, err error) = SYS_SYSLOG +//sys Listxattr(path string, dest []byte) (sz int, err error) +//sys Mkdirat(dirfd int, path string, mode uint32) (err error) +//sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error) +//sys Nanosleep(time *Timespec, leftover *Timespec) (err error) +//sys Pause() (err error) +//sys PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT +//sysnb prlimit(pid int, resource int, old *Rlimit, newlimit *Rlimit) (err error) = SYS_PRLIMIT64 +//sys Prctl(option int, arg2 uintptr, arg3 uintptr, arg4 uintptr, arg5 uintptr) (err error) +//sys read(fd int, p []byte) (n int, err error) +//sys Removexattr(path string, attr string) (err error) +//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) +//sys Setdomainname(p []byte) (err error) +//sys Sethostname(p []byte) (err error) +//sysnb Setpgid(pid int, pgid int) (err error) +//sysnb Setsid() (pid int, err error) +//sysnb Settimeofday(tv *Timeval) (err error) +//sys Setns(fd int, nstype int) (err error) + +// issue 1435. +// On linux Setuid and Setgid only affects the current thread, not the process. +// This does not match what most callers expect so we must return an error +// here rather than letting the caller think that the call succeeded. + +func Setuid(uid int) (err error) { + return EOPNOTSUPP +} + +func Setgid(uid int) (err error) { + return EOPNOTSUPP +} + +//sys Setpriority(which int, who int, prio int) (err error) +//sys Setxattr(path string, attr string, data []byte, flags int) (err error) +//sys Sync() +//sysnb Sysinfo(info *Sysinfo_t) (err error) +//sys Tee(rfd int, wfd int, len int, flags int) (n int64, err error) +//sysnb Tgkill(tgid int, tid int, sig syscall.Signal) (err error) +//sysnb Times(tms *Tms) (ticks uintptr, err error) +//sysnb Umask(mask int) (oldmask int) +//sysnb Uname(buf *Utsname) (err error) +//sys Unmount(target string, flags int) (err error) = SYS_UMOUNT2 +//sys Unshare(flags int) (err error) +//sys Ustat(dev int, ubuf *Ustat_t) (err error) +//sys write(fd int, p []byte) (n int, err error) +//sys exitThread(code int) (err error) = SYS_EXIT +//sys readlen(fd int, p *byte, np int) (n int, err error) = SYS_READ +//sys writelen(fd int, p *byte, np int) (n int, err error) = SYS_WRITE + +// mmap varies by architecture; see syscall_linux_*.go. +//sys munmap(addr uintptr, length uintptr) (err error) + +var mapper = &mmapper{ + active: make(map[*byte][]byte), + mmap: mmap, + munmap: munmap, +} + +func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) { + return mapper.Mmap(fd, offset, length, prot, flags) +} + +func Munmap(b []byte) (err error) { + return mapper.Munmap(b) +} + +//sys Madvise(b []byte, advice int) (err error) +//sys Mprotect(b []byte, prot int) (err error) +//sys Mlock(b []byte) (err error) +//sys Munlock(b []byte) (err error) +//sys Mlockall(flags int) (err error) +//sys Munlockall() (err error) + +/* + * Unimplemented + */ +// AddKey +// AfsSyscall +// Alarm +// ArchPrctl +// Brk +// Capget +// Capset +// ClockGetres +// ClockNanosleep +// ClockSettime +// Clone +// CreateModule +// DeleteModule +// EpollCtlOld +// EpollPwait +// EpollWaitOld +// Eventfd +// Execve +// Fgetxattr +// Flistxattr +// Fork +// Fremovexattr +// Fsetxattr +// Futex +// GetKernelSyms +// GetMempolicy +// GetRobustList +// GetThreadArea +// Getitimer +// Getpmsg +// IoCancel +// IoDestroy +// IoGetevents +// IoSetup +// IoSubmit +// Ioctl +// IoprioGet +// IoprioSet +// KexecLoad +// Keyctl +// Lgetxattr +// Llistxattr +// LookupDcookie +// Lremovexattr +// Lsetxattr +// Mbind +// MigratePages +// Mincore +// ModifyLdt +// Mount +// MovePages +// Mprotect +// MqGetsetattr +// MqNotify +// MqOpen +// MqTimedreceive +// MqTimedsend +// MqUnlink +// Mremap +// Msgctl +// Msgget +// Msgrcv +// Msgsnd +// Msync +// Newfstatat +// Nfsservctl +// Personality +// Poll +// Ppoll +// Pselect6 +// Ptrace +// Putpmsg +// QueryModule +// Quotactl +// Readahead +// Readv +// RemapFilePages +// RequestKey +// RestartSyscall +// RtSigaction +// RtSigpending +// RtSigprocmask +// RtSigqueueinfo +// RtSigreturn +// RtSigsuspend +// RtSigtimedwait +// SchedGetPriorityMax +// SchedGetPriorityMin +// SchedGetaffinity +// SchedGetparam +// SchedGetscheduler +// SchedRrGetInterval +// SchedSetaffinity +// SchedSetparam +// SchedYield +// Security +// Semctl +// Semget +// Semop +// Semtimedop +// SetMempolicy +// SetRobustList +// SetThreadArea +// SetTidAddress +// Shmat +// Shmctl +// Shmdt +// Shmget +// Sigaltstack +// Signalfd +// Swapoff +// Swapon +// Sysfs +// TimerCreate +// TimerDelete +// TimerGetoverrun +// TimerGettime +// TimerSettime +// Timerfd +// Tkill (obsolete) +// Tuxcall +// Umount2 +// Uselib +// Utimensat +// Vfork +// Vhangup +// Vmsplice +// Vserver +// Waitid +// _Sysctl http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newt/blob/b002dd0c/newt/vendor/golang.org/x/sys/unix/syscall_linux_386.go ---------------------------------------------------------------------- diff --git a/newt/vendor/golang.org/x/sys/unix/syscall_linux_386.go b/newt/vendor/golang.org/x/sys/unix/syscall_linux_386.go new file mode 100644 index 0000000..4584401 --- /dev/null +++ b/newt/vendor/golang.org/x/sys/unix/syscall_linux_386.go @@ -0,0 +1,390 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// TODO(rsc): Rewrite all nn(SP) references into name+(nn-8)(FP) +// so that go vet can check that they are correct. + +// +build 386,linux + +package unix + +import ( + "syscall" + "unsafe" +) + +func Getpagesize() int { return 4096 } + +func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } + +func NsecToTimespec(nsec int64) (ts Timespec) { + ts.Sec = int32(nsec / 1e9) + ts.Nsec = int32(nsec % 1e9) + return +} + +func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } + +func NsecToTimeval(nsec int64) (tv Timeval) { + nsec += 999 // round up to microsecond + tv.Sec = int32(nsec / 1e9) + tv.Usec = int32(nsec % 1e9 / 1e3) + return +} + +//sysnb pipe(p *[2]_C_int) (err error) + +func Pipe(p []int) (err error) { + if len(p) != 2 { + return EINVAL + } + var pp [2]_C_int + err = pipe(&pp) + p[0] = int(pp[0]) + p[1] = int(pp[1]) + return +} + +//sysnb pipe2(p *[2]_C_int, flags int) (err error) + +func Pipe2(p []int, flags int) (err error) { + if len(p) != 2 { + return EINVAL + } + var pp [2]_C_int + err = pipe2(&pp, flags) + p[0] = int(pp[0]) + p[1] = int(pp[1]) + return +} + +// 64-bit file system and 32-bit uid calls +// (386 default is 32-bit file system and 16-bit uid). +//sys Dup2(oldfd int, newfd int) (err error) +//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64_64 +//sys Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32 +//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 +//sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64 +//sysnb Getegid() (egid int) = SYS_GETEGID32 +//sysnb Geteuid() (euid int) = SYS_GETEUID32 +//sysnb Getgid() (gid int) = SYS_GETGID32 +//sysnb Getuid() (uid int) = SYS_GETUID32 +//sysnb InotifyInit() (fd int, err error) +//sys Ioperm(from int, num int, on int) (err error) +//sys Iopl(level int) (err error) +//sys Lchown(path string, uid int, gid int) (err error) = SYS_LCHOWN32 +//sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 +//sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 +//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 +//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 +//sys Setfsgid(gid int) (err error) = SYS_SETFSGID32 +//sys Setfsuid(uid int) (err error) = SYS_SETFSUID32 +//sysnb Setregid(rgid int, egid int) (err error) = SYS_SETREGID32 +//sysnb Setresgid(rgid int, egid int, sgid int) (err error) = SYS_SETRESGID32 +//sysnb Setresuid(ruid int, euid int, suid int) (err error) = SYS_SETRESUID32 +//sysnb Setreuid(ruid int, euid int) (err error) = SYS_SETREUID32 +//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) +//sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 +//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) +//sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64 +//sysnb getgroups(n int, list *_Gid_t) (nn int, err error) = SYS_GETGROUPS32 +//sysnb setgroups(n int, list *_Gid_t) (err error) = SYS_SETGROUPS32 +//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT + +//sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) + +func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { + page := uintptr(offset / 4096) + if offset != int64(page)*4096 { + return 0, EINVAL + } + return mmap2(addr, length, prot, flags, fd, page) +} + +type rlimit32 struct { + Cur uint32 + Max uint32 +} + +//sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT + +const rlimInf32 = ^uint32(0) +const rlimInf64 = ^uint64(0) + +func Getrlimit(resource int, rlim *Rlimit) (err error) { + err = prlimit(0, resource, nil, rlim) + if err != ENOSYS { + return err + } + + rl := rlimit32{} + err = getrlimit(resource, &rl) + if err != nil { + return + } + + if rl.Cur == rlimInf32 { + rlim.Cur = rlimInf64 + } else { + rlim.Cur = uint64(rl.Cur) + } + + if rl.Max == rlimInf32 { + rlim.Max = rlimInf64 + } else { + rlim.Max = uint64(rl.Max) + } + return +} + +//sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT + +func Setrlimit(resource int, rlim *Rlimit) (err error) { + err = prlimit(0, resource, rlim, nil) + if err != ENOSYS { + return err + } + + rl := rlimit32{} + if rlim.Cur == rlimInf64 { + rl.Cur = rlimInf32 + } else if rlim.Cur < uint64(rlimInf32) { + rl.Cur = uint32(rlim.Cur) + } else { + return EINVAL + } + if rlim.Max == rlimInf64 { + rl.Max = rlimInf32 + } else if rlim.Max < uint64(rlimInf32) { + rl.Max = uint32(rlim.Max) + } else { + return EINVAL + } + + return setrlimit(resource, &rl) +} + +// Underlying system call writes to newoffset via pointer. +// Implemented in assembly to avoid allocation. +func seek(fd int, offset int64, whence int) (newoffset int64, err syscall.Errno) + +func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { + newoffset, errno := seek(fd, offset, whence) + if errno != 0 { + return 0, errno + } + return newoffset, nil +} + +// Vsyscalls on amd64. +//sysnb Gettimeofday(tv *Timeval) (err error) +//sysnb Time(t *Time_t) (tt Time_t, err error) + +//sys Utime(path string, buf *Utimbuf) (err error) + +// On x86 Linux, all the socket calls go through an extra indirection, +// I think because the 5-register system call interface can't handle +// the 6-argument calls like sendto and recvfrom. Instead the +// arguments to the underlying system call are the number below +// and a pointer to an array of uintptr. We hide the pointer in the +// socketcall assembly to avoid allocation on every system call. + +const ( + // see linux/net.h + _SOCKET = 1 + _BIND = 2 + _CONNECT = 3 + _LISTEN = 4 + _ACCEPT = 5 + _GETSOCKNAME = 6 + _GETPEERNAME = 7 + _SOCKETPAIR = 8 + _SEND = 9 + _RECV = 10 + _SENDTO = 11 + _RECVFROM = 12 + _SHUTDOWN = 13 + _SETSOCKOPT = 14 + _GETSOCKOPT = 15 + _SENDMSG = 16 + _RECVMSG = 17 + _ACCEPT4 = 18 + _RECVMMSG = 19 + _SENDMMSG = 20 +) + +func socketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (n int, err syscall.Errno) +func rawsocketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (n int, err syscall.Errno) + +func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) { + fd, e := socketcall(_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0) + if e != 0 { + err = e + } + return +} + +func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) { + fd, e := socketcall(_ACCEPT4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0) + if e != 0 { + err = e + } + return +} + +func getsockname(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) { + _, e := rawsocketcall(_GETSOCKNAME, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0) + if e != 0 { + err = e + } + return +} + +func getpeername(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) { + _, e := rawsocketcall(_GETPEERNAME, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), 0, 0, 0) + if e != 0 { + err = e + } + return +} + +func socketpair(domain int, typ int, flags int, fd *[2]int32) (err error) { + _, e := rawsocketcall(_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(flags), uintptr(unsafe.Pointer(fd)), 0, 0) + if e != 0 { + err = e + } + return +} + +func bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) { + _, e := socketcall(_BIND, uintptr(s), uintptr(addr), uintptr(addrlen), 0, 0, 0) + if e != 0 { + err = e + } + return +} + +func connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) { + _, e := socketcall(_CONNECT, uintptr(s), uintptr(addr), uintptr(addrlen), 0, 0, 0) + if e != 0 { + err = e + } + return +} + +func socket(domain int, typ int, proto int) (fd int, err error) { + fd, e := rawsocketcall(_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto), 0, 0, 0) + if e != 0 { + err = e + } + return +} + +func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) { + _, e := socketcall(_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0) + if e != 0 { + err = e + } + return +} + +func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) { + _, e := socketcall(_SETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), vallen, 0) + if e != 0 { + err = e + } + return +} + +func recvfrom(s int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) { + var base uintptr + if len(p) > 0 { + base = uintptr(unsafe.Pointer(&p[0])) + } + n, e := socketcall(_RECVFROM, uintptr(s), base, uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen))) + if e != 0 { + err = e + } + return +} + +func sendto(s int, p []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) { + var base uintptr + if len(p) > 0 { + base = uintptr(unsafe.Pointer(&p[0])) + } + _, e := socketcall(_SENDTO, uintptr(s), base, uintptr(len(p)), uintptr(flags), uintptr(to), uintptr(addrlen)) + if e != 0 { + err = e + } + return +} + +func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) { + n, e := socketcall(_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0) + if e != 0 { + err = e + } + return +} + +func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) { + n, e := socketcall(_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags), 0, 0, 0) + if e != 0 { + err = e + } + return +} + +func Listen(s int, n int) (err error) { + _, e := socketcall(_LISTEN, uintptr(s), uintptr(n), 0, 0, 0, 0) + if e != 0 { + err = e + } + return +} + +func Shutdown(s, how int) (err error) { + _, e := socketcall(_SHUTDOWN, uintptr(s), uintptr(how), 0, 0, 0, 0) + if e != 0 { + err = e + } + return +} + +func Fstatfs(fd int, buf *Statfs_t) (err error) { + _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) + if e != 0 { + err = e + } + return +} + +func Statfs(path string, buf *Statfs_t) (err error) { + pathp, err := BytePtrFromString(path) + if err != nil { + return err + } + _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(pathp)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) + if e != 0 { + err = e + } + return +} + +func (r *PtraceRegs) PC() uint64 { return uint64(uint32(r.Eip)) } + +func (r *PtraceRegs) SetPC(pc uint64) { r.Eip = int32(pc) } + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint32(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint32(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint32(length) +} http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newt/blob/b002dd0c/newt/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go ---------------------------------------------------------------------- diff --git a/newt/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go b/newt/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go new file mode 100644 index 0000000..60698e4 --- /dev/null +++ b/newt/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go @@ -0,0 +1,148 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build amd64,linux + +package unix + +import "syscall" + +//sys Dup2(oldfd int, newfd int) (err error) +//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64 +//sys Fchown(fd int, uid int, gid int) (err error) +//sys Fstat(fd int, stat *Stat_t) (err error) +//sys Fstatfs(fd int, buf *Statfs_t) (err error) +//sys Ftruncate(fd int, length int64) (err error) +//sysnb Getegid() (egid int) +//sysnb Geteuid() (euid int) +//sysnb Getgid() (gid int) +//sysnb Getrlimit(resource int, rlim *Rlimit) (err error) +//sysnb Getuid() (uid int) +//sysnb InotifyInit() (fd int, err error) +//sys Ioperm(from int, num int, on int) (err error) +//sys Iopl(level int) (err error) +//sys Lchown(path string, uid int, gid int) (err error) +//sys Listen(s int, n int) (err error) +//sys Lstat(path string, stat *Stat_t) (err error) +//sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 +//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 +//sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK +//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) +//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) +//sys Setfsgid(gid int) (err error) +//sys Setfsuid(uid int) (err error) +//sysnb Setregid(rgid int, egid int) (err error) +//sysnb Setresgid(rgid int, egid int, sgid int) (err error) +//sysnb Setresuid(ruid int, euid int, suid int) (err error) +//sysnb Setrlimit(resource int, rlim *Rlimit) (err error) +//sysnb Setreuid(ruid int, euid int) (err error) +//sys Shutdown(fd int, how int) (err error) +//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) +//sys Stat(path string, stat *Stat_t) (err error) +//sys Statfs(path string, buf *Statfs_t) (err error) +//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) +//sys Truncate(path string, length int64) (err error) +//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) +//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) +//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) +//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) +//sysnb getgroups(n int, list *_Gid_t) (nn int, err error) +//sysnb setgroups(n int, list *_Gid_t) (err error) +//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) +//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) +//sysnb socket(domain int, typ int, proto int) (fd int, err error) +//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) +//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) +//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) +//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) +//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) +//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) +//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) +//sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) + +//go:noescape +func gettimeofday(tv *Timeval) (err syscall.Errno) + +func Gettimeofday(tv *Timeval) (err error) { + errno := gettimeofday(tv) + if errno != 0 { + return errno + } + return nil +} + +func Getpagesize() int { return 4096 } + +func Time(t *Time_t) (tt Time_t, err error) { + var tv Timeval + errno := gettimeofday(&tv) + if errno != 0 { + return 0, errno + } + if t != nil { + *t = Time_t(tv.Sec) + } + return Time_t(tv.Sec), nil +} + +//sys Utime(path string, buf *Utimbuf) (err error) + +func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } + +func NsecToTimespec(nsec int64) (ts Timespec) { + ts.Sec = nsec / 1e9 + ts.Nsec = nsec % 1e9 + return +} + +func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } + +func NsecToTimeval(nsec int64) (tv Timeval) { + nsec += 999 // round up to microsecond + tv.Sec = nsec / 1e9 + tv.Usec = nsec % 1e9 / 1e3 + return +} + +//sysnb pipe(p *[2]_C_int) (err error) + +func Pipe(p []int) (err error) { + if len(p) != 2 { + return EINVAL + } + var pp [2]_C_int + err = pipe(&pp) + p[0] = int(pp[0]) + p[1] = int(pp[1]) + return +} + +//sysnb pipe2(p *[2]_C_int, flags int) (err error) + +func Pipe2(p []int, flags int) (err error) { + if len(p) != 2 { + return EINVAL + } + var pp [2]_C_int + err = pipe2(&pp, flags) + p[0] = int(pp[0]) + p[1] = int(pp[1]) + return +} + +func (r *PtraceRegs) PC() uint64 { return r.Rip } + +func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc } + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint64(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint64(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint64(length) +} http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newt/blob/b002dd0c/newt/vendor/golang.org/x/sys/unix/syscall_linux_arm.go ---------------------------------------------------------------------- diff --git a/newt/vendor/golang.org/x/sys/unix/syscall_linux_arm.go b/newt/vendor/golang.org/x/sys/unix/syscall_linux_arm.go new file mode 100644 index 0000000..3b4da20 --- /dev/null +++ b/newt/vendor/golang.org/x/sys/unix/syscall_linux_arm.go @@ -0,0 +1,252 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build arm,linux + +package unix + +import ( + "syscall" + "unsafe" +) + +func Getpagesize() int { return 4096 } + +func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } + +func NsecToTimespec(nsec int64) (ts Timespec) { + ts.Sec = int32(nsec / 1e9) + ts.Nsec = int32(nsec % 1e9) + return +} + +func NsecToTimeval(nsec int64) (tv Timeval) { + nsec += 999 // round up to microsecond + tv.Sec = int32(nsec / 1e9) + tv.Usec = int32(nsec % 1e9 / 1e3) + return +} + +func Pipe(p []int) (err error) { + if len(p) != 2 { + return EINVAL + } + var pp [2]_C_int + err = pipe2(&pp, 0) + p[0] = int(pp[0]) + p[1] = int(pp[1]) + return +} + +//sysnb pipe2(p *[2]_C_int, flags int) (err error) + +func Pipe2(p []int, flags int) (err error) { + if len(p) != 2 { + return EINVAL + } + var pp [2]_C_int + err = pipe2(&pp, flags) + p[0] = int(pp[0]) + p[1] = int(pp[1]) + return +} + +// Underlying system call writes to newoffset via pointer. +// Implemented in assembly to avoid allocation. +func seek(fd int, offset int64, whence int) (newoffset int64, err syscall.Errno) + +func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { + newoffset, errno := seek(fd, offset, whence) + if errno != 0 { + return 0, errno + } + return newoffset, nil +} + +//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) +//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) +//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) +//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) +//sysnb getgroups(n int, list *_Gid_t) (nn int, err error) = SYS_GETGROUPS32 +//sysnb setgroups(n int, list *_Gid_t) (err error) = SYS_SETGROUPS32 +//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) +//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) +//sysnb socket(domain int, typ int, proto int) (fd int, err error) +//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) +//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) +//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) +//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) +//sysnb socketpair(domain int, typ int, flags int, fd *[2]int32) (err error) +//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) +//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) + +// 64-bit file system and 32-bit uid calls +// (16-bit uid calls are not always supported in newer kernels) +//sys Dup2(oldfd int, newfd int) (err error) +//sys Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32 +//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64 +//sysnb Getegid() (egid int) = SYS_GETEGID32 +//sysnb Geteuid() (euid int) = SYS_GETEUID32 +//sysnb Getgid() (gid int) = SYS_GETGID32 +//sysnb Getuid() (uid int) = SYS_GETUID32 +//sysnb InotifyInit() (fd int, err error) +//sys Lchown(path string, uid int, gid int) (err error) = SYS_LCHOWN32 +//sys Listen(s int, n int) (err error) +//sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 +//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 +//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT +//sys Setfsgid(gid int) (err error) = SYS_SETFSGID32 +//sys Setfsuid(uid int) (err error) = SYS_SETFSUID32 +//sysnb Setregid(rgid int, egid int) (err error) = SYS_SETREGID32 +//sysnb Setresgid(rgid int, egid int, sgid int) (err error) = SYS_SETRESGID32 +//sysnb Setresuid(ruid int, euid int, suid int) (err error) = SYS_SETRESUID32 +//sysnb Setreuid(ruid int, euid int) (err error) = SYS_SETREUID32 +//sys Shutdown(fd int, how int) (err error) +//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) +//sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 + +// Vsyscalls on amd64. +//sysnb Gettimeofday(tv *Timeval) (err error) + +func Time(t *Time_t) (Time_t, error) { + var tv Timeval + err := Gettimeofday(&tv) + if err != nil { + return 0, err + } + if t != nil { + *t = Time_t(tv.Sec) + } + return Time_t(tv.Sec), nil +} + +func Utime(path string, buf *Utimbuf) error { + tv := []Timeval{ + {Sec: buf.Actime}, + {Sec: buf.Modtime}, + } + return Utimes(path, tv) +} + +//sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 +//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 +//sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64 +//sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64 + +func Fadvise(fd int, offset int64, length int64, advice int) (err error) { + _, _, e1 := Syscall6(SYS_ARM_FADVISE64_64, uintptr(fd), uintptr(advice), uintptr(offset), uintptr(offset>>32), uintptr(length), uintptr(length>>32)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +//sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) + +func Fstatfs(fd int, buf *Statfs_t) (err error) { + _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) + if e != 0 { + err = e + } + return +} + +func Statfs(path string, buf *Statfs_t) (err error) { + pathp, err := BytePtrFromString(path) + if err != nil { + return err + } + _, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(pathp)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) + if e != 0 { + err = e + } + return +} + +func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { + page := uintptr(offset / 4096) + if offset != int64(page)*4096 { + return 0, EINVAL + } + return mmap2(addr, length, prot, flags, fd, page) +} + +type rlimit32 struct { + Cur uint32 + Max uint32 +} + +//sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_UGETRLIMIT + +const rlimInf32 = ^uint32(0) +const rlimInf64 = ^uint64(0) + +func Getrlimit(resource int, rlim *Rlimit) (err error) { + err = prlimit(0, resource, nil, rlim) + if err != ENOSYS { + return err + } + + rl := rlimit32{} + err = getrlimit(resource, &rl) + if err != nil { + return + } + + if rl.Cur == rlimInf32 { + rlim.Cur = rlimInf64 + } else { + rlim.Cur = uint64(rl.Cur) + } + + if rl.Max == rlimInf32 { + rlim.Max = rlimInf64 + } else { + rlim.Max = uint64(rl.Max) + } + return +} + +//sysnb setrlimit(resource int, rlim *rlimit32) (err error) = SYS_SETRLIMIT + +func Setrlimit(resource int, rlim *Rlimit) (err error) { + err = prlimit(0, resource, rlim, nil) + if err != ENOSYS { + return err + } + + rl := rlimit32{} + if rlim.Cur == rlimInf64 { + rl.Cur = rlimInf32 + } else if rlim.Cur < uint64(rlimInf32) { + rl.Cur = uint32(rlim.Cur) + } else { + return EINVAL + } + if rlim.Max == rlimInf64 { + rl.Max = rlimInf32 + } else if rlim.Max < uint64(rlimInf32) { + rl.Max = uint32(rlim.Max) + } else { + return EINVAL + } + + return setrlimit(resource, &rl) +} + +func (r *PtraceRegs) PC() uint64 { return uint64(r.Uregs[15]) } + +func (r *PtraceRegs) SetPC(pc uint64) { r.Uregs[15] = uint32(pc) } + +func (iov *Iovec) SetLen(length int) { + iov.Len = uint32(length) +} + +func (msghdr *Msghdr) SetControllen(length int) { + msghdr.Controllen = uint32(length) +} + +func (cmsg *Cmsghdr) SetLen(length int) { + cmsg.Len = uint32(length) +}
