Module Name:    src
Committed By:   manu
Date:           Mon Jan  2 16:32:10 UTC 2017

Modified Files:
        src/sys/compat/linux/arch/alpha: syscalls.master
        src/sys/compat/linux/arch/amd64: syscalls.master
        src/sys/compat/linux/arch/arm: syscalls.master
        src/sys/compat/linux/arch/i386: syscalls.master
        src/sys/compat/linux/arch/m68k: syscalls.master
        src/sys/compat/linux/arch/mips: syscalls.master
        src/sys/compat/linux/arch/powerpc: syscalls.master
        src/sys/compat/linux/common: linux_misc.c linux_signal.h

Log Message:
Add pselect6 Linux system call.
This lets Matlab R2016A run on NetBSD/amd64


To generate a diff of this commit:
cvs rdiff -u -r1.91 -r1.92 src/sys/compat/linux/arch/alpha/syscalls.master
cvs rdiff -u -r1.57 -r1.58 src/sys/compat/linux/arch/amd64/syscalls.master
cvs rdiff -u -r1.64 -r1.65 src/sys/compat/linux/arch/arm/syscalls.master
cvs rdiff -u -r1.121 -r1.122 src/sys/compat/linux/arch/i386/syscalls.master
cvs rdiff -u -r1.90 -r1.91 src/sys/compat/linux/arch/m68k/syscalls.master
cvs rdiff -u -r1.60 -r1.61 src/sys/compat/linux/arch/mips/syscalls.master
cvs rdiff -u -r1.69 -r1.70 src/sys/compat/linux/arch/powerpc/syscalls.master
cvs rdiff -u -r1.233 -r1.234 src/sys/compat/linux/common/linux_misc.c
cvs rdiff -u -r1.30 -r1.31 src/sys/compat/linux/common/linux_signal.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/compat/linux/arch/alpha/syscalls.master
diff -u src/sys/compat/linux/arch/alpha/syscalls.master:1.91 src/sys/compat/linux/arch/alpha/syscalls.master:1.92
--- src/sys/compat/linux/arch/alpha/syscalls.master:1.91	Sun Jul 24 13:22:01 2016
+++ src/sys/compat/linux/arch/alpha/syscalls.master	Mon Jan  2 16:32:09 2017
@@ -1,4 +1,4 @@
-	$NetBSD: syscalls.master,v 1.91 2016/07/24 13:22:01 njoly Exp $
+	$NetBSD: syscalls.master,v 1.92 2017/01/02 16:32:09 manu Exp $
 ;
 ;	@(#)syscalls.master	8.1 (Berkeley) 7/19/93
 
@@ -731,7 +731,10 @@
 			    linux_umode_t mode); }
 462	STD		{ int|linux_sys||faccessat(int fd, const char *path, \
 			    int amode); }
-463	UNIMPL		pselect6
+463	STD		{ int|linux_sys||pselect6(int nfds, fd_set *readfds, \
+			   fd_set *writefds, fd_set *exceptfds, \
+			   struct linux_timespec *timeout, \
+			   linux_sized_sigset_t *ss); }
 464	STD		{ int|linux_sys||ppoll(struct pollfd *fds, u_int nfds, \
 			    struct linux_timespec *timeout, \
 			    linux_sigset_t *sigset); }

Index: src/sys/compat/linux/arch/amd64/syscalls.master
diff -u src/sys/compat/linux/arch/amd64/syscalls.master:1.57 src/sys/compat/linux/arch/amd64/syscalls.master:1.58
--- src/sys/compat/linux/arch/amd64/syscalls.master:1.57	Sun Jul 24 13:22:01 2016
+++ src/sys/compat/linux/arch/amd64/syscalls.master	Mon Jan  2 16:32:09 2017
@@ -1,4 +1,4 @@
-	$NetBSD: syscalls.master,v 1.57 2016/07/24 13:22:01 njoly Exp $
+	$NetBSD: syscalls.master,v 1.58 2017/01/02 16:32:09 manu Exp $
 
 ;	@(#)syscalls.master	8.1 (Berkeley) 7/19/93
 
@@ -489,7 +489,10 @@
 			    linux_umode_t mode); }
 269	STD		{ int|linux_sys||faccessat(int fd, const char *path, \
 			    int amode); }
-270	UNIMPL		pselect6
+270	STD		{ int|linux_sys||pselect6(int nfds, fd_set *readfds, \
+			   fd_set *writefds, fd_set *exceptfds, \
+			   struct linux_timespec *timeout, \
+			   linux_sized_sigset_t *ss); }
 271	STD		{ int|linux_sys||ppoll(struct pollfd *fds, u_int nfds, \
 			    struct linux_timespec *timeout, \
 			    linux_sigset_t *sigset); }

Index: src/sys/compat/linux/arch/arm/syscalls.master
diff -u src/sys/compat/linux/arch/arm/syscalls.master:1.64 src/sys/compat/linux/arch/arm/syscalls.master:1.65
--- src/sys/compat/linux/arch/arm/syscalls.master:1.64	Sun Jul 24 13:22:01 2016
+++ src/sys/compat/linux/arch/arm/syscalls.master	Mon Jan  2 16:32:09 2017
@@ -1,4 +1,4 @@
-	$NetBSD: syscalls.master,v 1.64 2016/07/24 13:22:01 njoly Exp $
+	$NetBSD: syscalls.master,v 1.65 2017/01/02 16:32:09 manu Exp $
 
 ; Derived from sys/compat/linux/arch/*/syscalls.master
 ; and from Linux 2.4.12 arch/arm/kernel/calls.S
@@ -530,7 +530,10 @@
 			    linux_umode_t mode); }
 334	STD		{ int|linux_sys||faccessat(int fd, const char *path, \
 			    int amode); }
-335	UNIMPL		pselect6
+335	STD		{ int|linux_sys||pselect6(int nfds, fd_set *readfds, \
+			   fd_set *writefds, fd_set *exceptfds, \
+			   struct linux_timespec *timeout, \
+			   linux_sized_sigset_t *ss); }
 336	STD		{ int|linux_sys||ppoll(struct pollfd *fds, u_int nfds, \
 			    struct linux_timespec *timeout, \
 			    linux_sigset_t *sigset); }

Index: src/sys/compat/linux/arch/i386/syscalls.master
diff -u src/sys/compat/linux/arch/i386/syscalls.master:1.121 src/sys/compat/linux/arch/i386/syscalls.master:1.122
--- src/sys/compat/linux/arch/i386/syscalls.master:1.121	Sun Jul 24 13:22:01 2016
+++ src/sys/compat/linux/arch/i386/syscalls.master	Mon Jan  2 16:32:09 2017
@@ -1,4 +1,4 @@
-	$NetBSD: syscalls.master,v 1.121 2016/07/24 13:22:01 njoly Exp $
+	$NetBSD: syscalls.master,v 1.122 2017/01/02 16:32:09 manu Exp $
 
 ;	@(#)syscalls.master	8.1 (Berkeley) 7/19/93
 
@@ -503,7 +503,10 @@
 			    linux_umode_t mode); }
 307	STD		{ int|linux_sys||faccessat(int fd, const char *path, \
 			    int amode); }
-308	UNIMPL		pselect6
+308	STD		{ int|linux_sys||pselect6(int nfds, fd_set *readfds, \
+			   fd_set *writefds, fd_set *exceptfds, \
+			   struct linux_timespec *timeout, \
+			   linux_sized_sigset_t *ss); }
 309	STD		{ int|linux_sys||ppoll(struct pollfd *fds, u_int nfds, \
 			    struct linux_timespec *timeout, \
 			    linux_sigset_t *sigset); }

Index: src/sys/compat/linux/arch/m68k/syscalls.master
diff -u src/sys/compat/linux/arch/m68k/syscalls.master:1.90 src/sys/compat/linux/arch/m68k/syscalls.master:1.91
--- src/sys/compat/linux/arch/m68k/syscalls.master:1.90	Sun Jul 24 13:22:01 2016
+++ src/sys/compat/linux/arch/m68k/syscalls.master	Mon Jan  2 16:32:09 2017
@@ -1,4 +1,4 @@
-	$NetBSD: syscalls.master,v 1.90 2016/07/24 13:22:01 njoly Exp $
+	$NetBSD: syscalls.master,v 1.91 2017/01/02 16:32:09 manu Exp $
 
 ;	@(#)syscalls.master	8.1 (Berkeley) 7/19/93
 
@@ -511,7 +511,10 @@
 			    linux_umode_t mode); }
 300	STD		{ int|linux_sys||faccessat(int fd, const char *path, \
 			    int amode); }
-301	UNIMPL		pselect6
+301	STD		{ int|linux_sys||pselect6(int nfds, fd_set *readfds, \
+			   fd_set *writefds, fd_set *exceptfds, \
+			   struct linux_timespec *timeout, \
+			   linux_sized_sigset_t *ss); }
 302	STD             { int|linux_sys||ppoll(struct pollfd *fds, u_int nfds, \
 			    struct linux_timespec *timeout, \
 			    linux_sigset_t *sigset); }

Index: src/sys/compat/linux/arch/mips/syscalls.master
diff -u src/sys/compat/linux/arch/mips/syscalls.master:1.60 src/sys/compat/linux/arch/mips/syscalls.master:1.61
--- src/sys/compat/linux/arch/mips/syscalls.master:1.60	Sun Jul 24 13:22:01 2016
+++ src/sys/compat/linux/arch/mips/syscalls.master	Mon Jan  2 16:32:10 2017
@@ -1,4 +1,4 @@
-	$NetBSD: syscalls.master,v 1.60 2016/07/24 13:22:01 njoly Exp $  
+	$NetBSD: syscalls.master,v 1.61 2017/01/02 16:32:10 manu Exp $  
 
 ;	@(#)syscalls.master	8.1 (Berkeley) 7/19/93
 
@@ -501,7 +501,10 @@
 			    linux_umode_t mode); }
 300	STD		{ int|linux_sys||faccessat(int fd, const char *path, \
 			    int amode); }
-301	UNIMPL		pselect6
+301	STD		{ int|linux_sys||pselect6(int nfds, fd_set *readfds, \
+			   fd_set *writefds, fd_set *exceptfds, \
+			   struct linux_timespec *timeout, \
+			   linux_sized_sigset_t *ss); }
 302	STD		{ int|linux_sys||ppoll(struct pollfd *fds, u_int nfds, \
 			    struct linux_timespec *timeout, \
 			    linux_sigset_t *sigset); }

Index: src/sys/compat/linux/arch/powerpc/syscalls.master
diff -u src/sys/compat/linux/arch/powerpc/syscalls.master:1.69 src/sys/compat/linux/arch/powerpc/syscalls.master:1.70
--- src/sys/compat/linux/arch/powerpc/syscalls.master:1.69	Sun Jul 24 13:22:01 2016
+++ src/sys/compat/linux/arch/powerpc/syscalls.master	Mon Jan  2 16:32:10 2017
@@ -1,4 +1,4 @@
-	$NetBSD: syscalls.master,v 1.69 2016/07/24 13:22:01 njoly Exp $  
+	$NetBSD: syscalls.master,v 1.70 2017/01/02 16:32:10 manu Exp $  
 
 ;	@(#)syscalls.master	8.1 (Berkeley) 7/19/93
 
@@ -478,7 +478,10 @@
 277	UNIMPL		inotify_rm_watch
 278	UNIMPL		spu_run
 279	UNIMPL		spu_create
-280	UNIMPL		pselect6
+280	STD		{ int|linux_sys||pselect6(int nfds, fd_set *readfds, \
+			   fd_set *writefds, fd_set *exceptfds, \
+			   struct linux_timespec *timeout, \
+			   linux_sized_sigset_t *ss); }
 281	STD		{ int|linux_sys||ppoll(struct pollfd *fds, u_int nfds, \
 			    struct linux_timespec *timeout, \
 			    linux_sigset_t *sigset); }

Index: src/sys/compat/linux/common/linux_misc.c
diff -u src/sys/compat/linux/common/linux_misc.c:1.233 src/sys/compat/linux/common/linux_misc.c:1.234
--- src/sys/compat/linux/common/linux_misc.c:1.233	Thu Nov 10 17:00:51 2016
+++ src/sys/compat/linux/common/linux_misc.c	Mon Jan  2 16:32:10 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: linux_misc.c,v 1.233 2016/11/10 17:00:51 christos Exp $	*/
+/*	$NetBSD: linux_misc.c,v 1.234 2017/01/02 16:32:10 manu Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1998, 1999, 2008 The NetBSD Foundation, Inc.
@@ -57,7 +57,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_misc.c,v 1.233 2016/11/10 17:00:51 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_misc.c,v 1.234 2017/01/02 16:32:10 manu Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -925,6 +925,87 @@ linux_select1(struct lwp *l, register_t 
 	return 0;
 }
 
+/*
+ * Derived from FreeBSD's sys/compat/linux/linux_misc.c:linux_pselect6()
+ * which was contributed by Dmitry Chagin
+ * https://svnweb.freebsd.org/base?view=revision&revision=283403
+ */
+int
+linux_sys_pselect6(struct lwp *l,
+	const struct linux_sys_pselect6_args *uap, register_t *retval)
+{
+	/* {
+		syscallarg(int) nfds;
+		syscallarg(fd_set *) readfds;
+		syscallarg(fd_set *) writefds;
+		syscallarg(fd_set *) exceptfds;
+		syscallarg(struct timespec *) timeout;
+		syscallarg(linux_sized_sigset_t *) ss;
+	} */
+	struct timespec uts, ts0, ts1, *tsp;
+	linux_sized_sigset_t lsss;
+	struct linux_timespec lts;
+	linux_sigset_t lss;
+	sigset_t *ssp;
+	sigset_t ss;
+	int error;
+
+	ssp = NULL;
+	if (SCARG(uap, ss) != NULL) {
+		if ((error = copyin(SCARG(uap, ss), &lsss, sizeof(lsss))) != 0)
+			return (error);
+		if (lsss.ss_len != sizeof(lss))
+			return (EINVAL);
+		if (lsss.ss != NULL) {
+			if ((error = copyin(lsss.ss, &lss, sizeof(lss))) != 0)
+				return (error);
+			linux_to_native_sigset(&ss, &lss);
+			ssp = &ss;
+		}
+	}
+
+	if (SCARG(uap, timeout) != NULL) {
+		error = copyin(SCARG(uap, timeout), &lts, sizeof(lts));
+		if (error != 0)
+			return (error);
+		linux_to_native_timespec(&uts, &lts);
+
+		if (itimespecfix(&uts))
+			return (EINVAL);
+
+		nanotime(&ts0);
+		tsp = &uts;
+	} else {
+		tsp = NULL;
+	}
+
+	error = selcommon(retval, SCARG(uap, nfds), SCARG(uap, readfds),
+	    SCARG(uap, writefds), SCARG(uap, exceptfds), tsp, ssp);
+
+	if (error == 0 && tsp != NULL) {
+		if (retval != 0) {
+			/*
+			 * Compute how much time was left of the timeout,
+			 * by subtracting the current time and the time
+			 * before we started the call, and subtracting
+			 * that result from the user-supplied value.
+			 */
+			nanotime(&ts1);
+			timespecsub(&ts1, &ts0, &ts1);
+			timespecsub(&uts, &ts1, &uts);
+			if (uts.tv_sec < 0)
+				timespecclear(&uts);
+		} else {
+			timespecclear(&uts);
+		}
+
+		native_to_linux_timespec(&lts, &uts);
+		error = copyout(&lts, SCARG(uap, timeout), sizeof(lts));
+	}
+
+	return (error);
+}
+
 int
 linux_sys_ppoll(struct lwp *l,
 	const struct linux_sys_ppoll_args *uap, register_t *retval)

Index: src/sys/compat/linux/common/linux_signal.h
diff -u src/sys/compat/linux/common/linux_signal.h:1.30 src/sys/compat/linux/common/linux_signal.h:1.31
--- src/sys/compat/linux/common/linux_signal.h:1.30	Fri May 29 14:19:13 2009
+++ src/sys/compat/linux/common/linux_signal.h	Mon Jan  2 16:32:10 2017
@@ -1,4 +1,4 @@
-/* 	$NetBSD: linux_signal.h,v 1.30 2009/05/29 14:19:13 njoly Exp $	*/
+/* 	$NetBSD: linux_signal.h,v 1.31 2017/01/02 16:32:10 manu Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@@ -48,6 +48,11 @@
 #include <compat/linux/arch/amd64/linux_signal.h>
 #endif
 
+typedef struct {
+	linux_sigset_t *ss;
+	size_t ss_len;
+} linux_sized_sigset_t;
+
 #ifdef _KERNEL
 extern const int native_to_linux_signo[];
 extern const int linux_to_native_signo[];

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