mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-20 17:51:16 +00:00
1c848253fc
2003-02-21 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/i386/getuid.c: Use INTERNAL_SYSCALL and do not chechk for errors (unless testing for 32bit variant). * sysdeps/unix/sysv/linux/i386/getgid.c: Likewise. * sysdeps/unix/sysv/linux/i386/geteuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/getegid.c: Likewise.
142 lines
2.8 KiB
C
142 lines
2.8 KiB
C
/* Copyright (C) 2003 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
|
|
|
|
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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <pthread.h>
|
|
#include <semaphore.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
static pthread_t receiver;
|
|
static sem_t sem;
|
|
static pthread_barrier_t b;
|
|
|
|
static void
|
|
handler (int sig)
|
|
{
|
|
if (sig != SIGUSR1)
|
|
{
|
|
write (STDOUT_FILENO, "wrong signal\n", 13);
|
|
_exit (1);
|
|
}
|
|
|
|
if (pthread_self () != receiver)
|
|
{
|
|
write (STDOUT_FILENO, "not the intended receiver\n", 26);
|
|
_exit (1);
|
|
}
|
|
|
|
if (sem_post (&sem) != 0)
|
|
{
|
|
write (STDOUT_FILENO, "sem_post failed\n", 16);
|
|
_exit (1);
|
|
}
|
|
}
|
|
|
|
|
|
static void *
|
|
tf (void *a)
|
|
{
|
|
int e = pthread_barrier_wait (&b);
|
|
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
|
|
{
|
|
puts ("child: barrier_wait failed");
|
|
exit (1);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
int
|
|
do_test (void)
|
|
{
|
|
struct sigaction sa;
|
|
sigemptyset (&sa.sa_mask);
|
|
sa.sa_flags = 0;
|
|
sa.sa_handler = handler;
|
|
if (sigaction (SIGUSR1, &sa, NULL) != 0)
|
|
{
|
|
puts ("sigaction failed");
|
|
exit (1);
|
|
}
|
|
|
|
#define N 20
|
|
|
|
if (pthread_barrier_init (&b, NULL, N + 1) != 0)
|
|
{
|
|
puts ("barrier_init failed");
|
|
exit (1);
|
|
}
|
|
|
|
pthread_t th[N];
|
|
int i;
|
|
for (i = 0; i < N; ++i)
|
|
if (pthread_create (&th[i], NULL, tf, NULL) != 0)
|
|
{
|
|
puts ("create failed");
|
|
exit (1);
|
|
}
|
|
|
|
if (sem_init (&sem, 0, 0) != 0)
|
|
{
|
|
puts ("sem_init failed");
|
|
exit (1);
|
|
}
|
|
|
|
for (i = 0; i < N * 10; ++i)
|
|
{
|
|
receiver = th[i % N];
|
|
|
|
if (pthread_kill (receiver, SIGUSR1) != 0)
|
|
{
|
|
puts ("kill failed");
|
|
exit (1);
|
|
}
|
|
|
|
if (sem_wait (&sem) != 0)
|
|
{
|
|
puts ("sem_wait failed");
|
|
exit (1);
|
|
}
|
|
}
|
|
|
|
int e = pthread_barrier_wait (&b);
|
|
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
|
|
{
|
|
puts ("barrier_wait failed");
|
|
exit (1);
|
|
}
|
|
|
|
for (i = 0; i < N; ++i)
|
|
if (pthread_join (th[i], NULL) != 0)
|
|
{
|
|
puts ("join failed");
|
|
exit (1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|