On 10/15/2012 03:54 PM, Jan Stancek wrote: > errno testcase for readahead(2). > > Signed-off-by: Jan Stancek <[email protected]>
Reviewed-by: Wanlong Gao <[email protected]> > --- > runtest/syscalls | 2 + > testcases/kernel/syscalls/readahead/Makefile | 22 +++ > testcases/kernel/syscalls/readahead/readahead01.c | 172 > +++++++++++++++++++++ > 3 files changed, 196 insertions(+), 0 deletions(-) > create mode 100644 testcases/kernel/syscalls/readahead/Makefile > create mode 100644 testcases/kernel/syscalls/readahead/readahead01.c > > diff --git a/runtest/syscalls b/runtest/syscalls > index edf6c1e..e754c60 100644 > --- a/runtest/syscalls > +++ b/runtest/syscalls > @@ -767,6 +767,8 @@ read02 read02 > read03 read03 > read04 read04 > > +readahead01 readahead01 > + > readdir01 readdir01 > readdir02 readdir02 > > diff --git a/testcases/kernel/syscalls/readahead/Makefile > b/testcases/kernel/syscalls/readahead/Makefile > new file mode 100644 > index 0000000..45a3bbc > --- /dev/null > +++ b/testcases/kernel/syscalls/readahead/Makefile > @@ -0,0 +1,22 @@ > +# > +# Copyright (C) 2012 Linux Test Project, Inc. > +# > +# This program is free software; you can redistribute it and/or modify > +# it under the terms of the GNU General Public License as published by > +# the Free Software Foundation; either version 2 of the License, or > +# (at your option) any later version. > +# > +# This program is distributed in the hope that it will be useful, > +# but WITHOUT ANY WARRANTY; without even the implied warranty of > +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See > +# the GNU General Public License for more details. > +# > +# You should have received a copy of the GNU General Public License > +# along with this program; if not, write to the Free Software > +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA > +# > + > +top_srcdir ?= ../../../.. > + > +include $(top_srcdir)/include/mk/testcases.mk > +include $(top_srcdir)/include/mk/generic_leaf_target.mk > diff --git a/testcases/kernel/syscalls/readahead/readahead01.c > b/testcases/kernel/syscalls/readahead/readahead01.c > new file mode 100644 > index 0000000..c9b5202 > --- /dev/null > +++ b/testcases/kernel/syscalls/readahead/readahead01.c > @@ -0,0 +1,172 @@ > +/* > + * Copyright (C) 2012 Linux Test Project, Inc. > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of version 2 of the GNU General Public > + * License as published by the Free Software Foundation. > + * > + * This program is distributed in the hope that it would be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > + * > + * Further, this software is distributed without any warranty that it > + * is free of the rightful claim of any third person regarding > + * infringement or the like. Any license provided herein, whether > + * implied or otherwise, applies only to this software file. Patent > + * licenses, if any, provided herein do not apply to combinations of > + * this program with other software, or any other product whatsoever. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write the Free Software > + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA > + * 02110-1301, USA. > + */ > + > +/* > + * errno tests for readahead() syscall > + */ > +#include <sys/types.h> > +#include <sys/stat.h> > +#include <sys/syscall.h> > +#include <sys/socket.h> > +#include <errno.h> > +#include <stdio.h> > +#include <stdlib.h> > +#include <unistd.h> > +#include "config.h" > +#include "test.h" > +#include "usctest.h" > +#include "safe_macros.h" > +#include "linux_syscall_numbers.h" > + > +char *TCID = "readahead01"; > +int TST_TOTAL = 1; > + > +option_t options[] = { > + { NULL, NULL, NULL } > +}; > + > +#if defined(__NR_readahead) > +static void setup(void); > +static void cleanup(void); > + > +static int check_ret(long expected_ret) > +{ > + if (expected_ret == TEST_RETURN) { > + tst_resm(TPASS, "expected ret success - " > + "returned value = %ld", TEST_RETURN); > + return 0; > + } > + tst_resm(TFAIL, "unexpected failure - " > + "returned value = %ld, expected: %ld", > + TEST_RETURN, expected_ret); > + return 1; > +} > + > +static int check_errno(long expected_errno) > +{ > + if (TEST_ERRNO == expected_errno) { > + tst_resm(TPASS|TTERRNO, "expected failure"); > + return 0; > + } > + > + if (TEST_ERRNO == 0) > + tst_resm(TFAIL, "call succeeded unexpectedly"); > + else > + tst_resm(TFAIL|TTERRNO, "unexpected failure - " > + "expected = %ld : %s, actual", > + expected_errno, strerror(expected_errno)); > + return 1; > +} > + > +static void test_bad_fd(void) > +{ > + char tempname[PATH_MAX] = "readahead01_XXXXXX"; > + int fd; > + > + tst_resm(TINFO, "test_bad_fd -1"); > + TEST(syscall(__NR_readahead, -1, 0, getpagesize())); > + check_ret(-1); > + check_errno(EBADF); > + > + tst_resm(TINFO, "test_bad_fd O_WRONLY"); > + fd = mkstemp(tempname); > + if (fd == -1) > + tst_resm(TBROK|TERRNO, "mkstemp failed"); > + close(fd); > + fd = open(tempname, O_WRONLY); > + if (fd == -1) > + tst_resm(TBROK|TERRNO, "Failed to open testfile"); > + TEST(syscall(__NR_readahead, fd, 0, getpagesize())); > + check_ret(-1); > + check_errno(EBADF); > + close(fd); > + unlink(tempname); > +} > + > +static void test_invalid_fd(void) > +{ > + int fd[2]; > + > + tst_resm(TINFO, "test_invalid_fd pipe"); > + if (pipe(fd) < 0) > + tst_resm(TBROK|TERRNO, "Failed to create pipe"); > + TEST(syscall(__NR_readahead, fd[0], 0, getpagesize())); > + check_ret(-1); > + check_errno(EINVAL); > + close(fd[0]); > + close(fd[1]); > + > + tst_resm(TINFO, "test_invalid_fd socket"); > + fd[0] = socket(AF_INET, SOCK_STREAM, 0); > + if (fd[0] < 0) > + tst_resm(TBROK|TERRNO, "Failed to create socket"); > + TEST(syscall(__NR_readahead, fd[0], 0, getpagesize())); > + check_ret(-1); > + check_errno(EINVAL); > + close(fd[0]); > +} > + > +int main(int argc, char *argv[]) > +{ > + char *msg; > + int lc; > + > + msg = parse_opts(argc, argv, options, NULL); > + if (msg != NULL) > + tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); > + > + setup(); > + for (lc = 0; TEST_LOOPING(lc); lc++) { > + Tst_count = 0; > + test_bad_fd(); > + test_invalid_fd(); > + } > + cleanup(); > + tst_exit(); > +} > + > +static void setup(void) > +{ > + tst_require_root(NULL); > + tst_tmpdir(); > + > + /* check if readahead syscall is supported */ > + syscall(__NR_readahead, 0, 0, 0); > + > + TEST_PAUSE; > +} > + > +static void cleanup(void) > +{ > + TEST_CLEANUP; > + tst_rmdir(); > +} > + > +#else /* __NR_readahead */ > +int main(void) > +{ > + tst_brkm(TCONF, NULL, "System doesn't support __NR_readahead"); > +} > +#endif > + > ------------------------------------------------------------------------------ Don't let slow site performance ruin your business. 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