glibc/nptl/tst-cond6.c
Zack Weinberg ceaa98897c Add missing header files throughout the testsuite.
* crypt/md5.h: Test _LIBC with #if defined, not #if.
	* dirent/opendir-tst1.c: Include sys/stat.h.
	* dirent/tst-fdopendir.c: Include sys/stat.h.
	* dirent/tst-fdopendir2.c: Include stdlib.h.
	* dirent/tst-scandir.c: Include stdbool.h.
	* elf/tst-auditmod1.c: Include link.h and stddef.h.
	* elf/tst-tls15.c: Include stdlib.h.
	* elf/tst-tls16.c: Include stdlib.h.
	* elf/tst-tls17.c: Include stdlib.h.
	* elf/tst-tls18.c: Include stdlib.h.
	* iconv/tst-iconv6.c: Include endian.h.
	* iconvdata/bug-iconv11.c: Include limits.h.
	* io/test-utime.c: Include stdint.h.
	* io/tst-faccessat.c: Include sys/stat.h.
	* io/tst-fchmodat.c: Include sys/stat.h.
	* io/tst-fchownat.c: Include sys/stat.h.
	* io/tst-fstatat.c: Include sys/stat.h.
	* io/tst-futimesat.c: Include sys/stat.h.
	* io/tst-linkat.c: Include sys/stat.h.
	* io/tst-mkdirat.c: Include sys/stat.h and stdbool.h.
	* io/tst-mkfifoat.c: Include sys/stat.h and stdbool.h.
	* io/tst-mknodat.c: Include sys/stat.h and stdbool.h.
	* io/tst-openat.c: Include stdbool.h.
	* io/tst-readlinkat.c: Include sys/stat.h.
	* io/tst-renameat.c: Include sys/stat.h.
	* io/tst-symlinkat.c: Include sys/stat.h.
	* io/tst-unlinkat.c: Include stdbool.h.
	* libio/bug-memstream1.c: Include stdlib.h.
	* libio/bug-wmemstream1.c: Include stdlib.h.
	* libio/tst-fwrite-error.c: Include stdlib.h.
	* libio/tst-memstream1.c: Include stdlib.h.
	* libio/tst-memstream2.c: Include stdlib.h.
	* libio/tst-memstream3.c: Include stdlib.h.
	* malloc/tst-interpose-aux.c: Include stdint.h.
	* misc/tst-preadvwritev-common.c: Include sys/stat.h.
	* nptl/tst-basic7.c: Include limits.h.
	* nptl/tst-cancel25.c: Include pthread.h, not pthreadP.h.
	* nptl/tst-cancel4.c: Include stddef.h, limits.h, and sys/stat.h.
	* nptl/tst-cancel4_1.c: Include stddef.h.
	* nptl/tst-cancel4_2.c: Include stddef.h.
	* nptl/tst-cond16.c: Include limits.h.
	Use sysconf(_SC_PAGESIZE) instead of __getpagesize.
	* nptl/tst-cond18.c: Include limits.h.
	Use sysconf(_SC_PAGESIZE) instead of __getpagesize.
	* nptl/tst-cond4.c: Include stdint.h.
	* nptl/tst-cond6.c: Include stdint.h.
	* nptl/tst-stack2.c: Include limits.h.
	* nptl/tst-stackguard1.c: Include stddef.h.
	* nptl/tst-tls4.c: Include stdint.h. Don't include tls.h.
	* nptl/tst-tls4moda.c: Include stddef.h.
	Don't include stdio.h, unistd.h, or tls.h.
	* nptl/tst-tls4modb.c: Include stddef.h.
	Don't include stdio.h, unistd.h, or tls.h.
	* nptl/tst-tls5.h: Include stddef.h. Don't include stdlib.h or tls.h.
	* posix/tst-getaddrinfo2.c: Include stdio.h.
	* posix/tst-getaddrinfo5.c: Include stdio.h.
	* posix/tst-pathconf.c: Include sys/stat.h.
	* posix/tst-posix_fadvise-common.c: Include stdint.h.
	* posix/tst-preadwrite-common.c: Include sys/stat.h.
	* posix/tst-regex.c: Include stdint.h.
	Don't include spawn.h or spawn_int.h.
	* posix/tst-regexloc.c: Don't include spawn.h or spawn_int.h.
	* posix/tst-vfork3.c: Include sys/stat.h.
	* resolv/tst-bug18665-tcp.c: Include stdlib.h.
	* resolv/tst-res_hconf_reorder.c: Include stdlib.h.
	* resolv/tst-resolv-search.c: Include stdlib.h.
	* stdio-common/tst-fmemopen2.c: Include stdint.h.
	* stdio-common/tst-vfprintf-width-prec.c: Include stdlib.h.
	* stdlib/test-canon.c: Include sys/stat.h.
	* stdlib/tst-tls-atexit.c: Include stdbool.h.
	* string/test-memchr.c: Include stdint.h.
	* string/tst-cmp.c: Include stdint.h.
	* sysdeps/pthread/tst-timer.c: Include stdint.h.
	* sysdeps/unix/sysv/linux/tst-sync_file_range.c: Include stdint.h.
	* sysdeps/wordsize-64/tst-writev.c: Include limits.h and stdint.h.
	* sysdeps/x86_64/fpu/math-tests-arch.h: Include cpu-features.h.
	Don't include init-arch.h.
	* sysdeps/x86_64/multiarch/test-multiarch.h: Include cpu-features.h.
	Don't include init-arch.h.
	* sysdeps/x86_64/tst-auditmod10b.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod3b.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod4b.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod5b.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod6b.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod6c.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod7b.c: Include link.h and stddef.h.
	* time/clocktest.c: Include stdint.h.
	* time/tst-posixtz.c: Include stdint.h.
	* timezone/tst-timezone.c: Include stdint.h.
2017-02-16 17:33:18 -05:00

234 lines
4.8 KiB
C

/* Copyright (C) 2002-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <pthread.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <sys/wait.h>
int *condition;
static int
do_test (void)
{
size_t ps = sysconf (_SC_PAGESIZE);
char tmpfname[] = "/tmp/tst-cond6.XXXXXX";
char data[ps];
void *mem;
int fd;
pthread_mutexattr_t ma;
pthread_mutex_t *mut1;
pthread_mutex_t *mut2;
pthread_condattr_t ca;
pthread_cond_t *cond;
pid_t pid;
int result = 0;
fd = mkstemp (tmpfname);
if (fd == -1)
{
printf ("cannot open temporary file: %m\n");
exit (1);
}
/* Make sure it is always removed. */
unlink (tmpfname);
/* Create one page of data. */
memset (data, '\0', ps);
/* Write the data to the file. */
if (write (fd, data, ps) != (ssize_t) ps)
{
puts ("short write");
exit (1);
}
mem = mmap (NULL, ps, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (mem == MAP_FAILED)
{
printf ("mmap failed: %m\n");
exit (1);
}
mut1 = (pthread_mutex_t *) (((uintptr_t) mem
+ __alignof (pthread_mutex_t))
& ~(__alignof (pthread_mutex_t) - 1));
mut2 = mut1 + 1;
cond = (pthread_cond_t *) (((uintptr_t) (mut2 + 1)
+ __alignof (pthread_cond_t))
& ~(__alignof (pthread_cond_t) - 1));
condition = (int *) (((uintptr_t) (cond + 1) + __alignof (int))
& ~(__alignof (int) - 1));
if (pthread_mutexattr_init (&ma) != 0)
{
puts ("mutexattr_init failed");
exit (1);
}
if (pthread_mutexattr_setpshared (&ma, PTHREAD_PROCESS_SHARED) != 0)
{
puts ("mutexattr_setpshared failed");
exit (1);
}
if (pthread_mutex_init (mut1, &ma) != 0)
{
puts ("1st mutex_init failed");
exit (1);
}
if (pthread_mutex_init (mut2, &ma) != 0)
{
puts ("2nd mutex_init failed");
exit (1);
}
if (pthread_condattr_init (&ca) != 0)
{
puts ("condattr_init failed");
exit (1);
}
if (pthread_condattr_setpshared (&ca, PTHREAD_PROCESS_SHARED) != 0)
{
puts ("condattr_setpshared failed");
exit (1);
}
if (pthread_cond_init (cond, &ca) != 0)
{
puts ("cond_init failed");
exit (1);
}
if (pthread_mutex_lock (mut1) != 0)
{
puts ("parent: 1st mutex_lock failed");
exit (1);
}
puts ("going to fork now");
pid = fork ();
if (pid == -1)
{
puts ("fork failed");
exit (1);
}
else if (pid == 0)
{
struct timespec ts;
struct timeval tv;
if (pthread_mutex_lock (mut2) != 0)
{
puts ("child: mutex_lock failed");
exit (1);
}
if (pthread_mutex_unlock (mut1) != 0)
{
puts ("child: 1st mutex_unlock failed");
exit (1);
}
if (gettimeofday (&tv, NULL) != 0)
{
puts ("gettimeofday failed");
exit (1);
}
TIMEVAL_TO_TIMESPEC (&tv, &ts);
ts.tv_nsec += 500000000;
if (ts.tv_nsec >= 1000000000)
{
ts.tv_nsec -= 1000000000;
++ts.tv_sec;
}
do
if (pthread_cond_timedwait (cond, mut2, &ts) != 0)
{
puts ("child: cond_wait failed");
exit (1);
}
while (*condition == 0);
if (pthread_mutex_unlock (mut2) != 0)
{
puts ("child: 2nd mutex_unlock failed");
exit (1);
}
puts ("child done");
}
else
{
int status;
if (pthread_mutex_lock (mut1) != 0)
{
puts ("parent: 2nd mutex_lock failed");
exit (1);
}
if (pthread_mutex_lock (mut2) != 0)
{
puts ("parent: 3rd mutex_lock failed");
exit (1);
}
if (pthread_cond_signal (cond) != 0)
{
puts ("parent: cond_signal failed");
exit (1);
}
*condition = 1;
if (pthread_mutex_unlock (mut2) != 0)
{
puts ("parent: mutex_unlock failed");
exit (1);
}
puts ("waiting for child");
waitpid (pid, &status, 0);
result |= status;
puts ("parent done");
}
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"