mirror of git://sourceware.org/git/glibc.git
90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
/* Copyright (C) 2002 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <errno.h>
|
|
#include <semaphore.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
sem_t s;
|
|
|
|
if (sem_init (&s, 0, 1) == -1)
|
|
{
|
|
puts ("init failed");
|
|
return 1;
|
|
}
|
|
|
|
if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1)
|
|
{
|
|
puts ("1st wait failed");
|
|
return 1;
|
|
}
|
|
|
|
if (sem_post (&s) == -1)
|
|
{
|
|
puts ("1st post failed");
|
|
return 1;
|
|
}
|
|
|
|
if (TEMP_FAILURE_RETRY (sem_trywait (&s)) == -1)
|
|
{
|
|
puts ("1st trywait failed");
|
|
return 1;
|
|
}
|
|
|
|
errno = 0;
|
|
if (TEMP_FAILURE_RETRY (sem_trywait (&s)) != -1)
|
|
{
|
|
puts ("2nd trywait succeeded");
|
|
return 1;
|
|
}
|
|
else if (errno != EAGAIN)
|
|
{
|
|
puts ("2nd trywait did not set errno to EAGAIN");
|
|
return 1;
|
|
}
|
|
|
|
if (sem_post (&s) == -1)
|
|
{
|
|
puts ("2nd post failed");
|
|
return 1;
|
|
}
|
|
|
|
if (TEMP_FAILURE_RETRY (sem_wait (&s)) == -1)
|
|
{
|
|
puts ("2nd wait failed");
|
|
return 1;
|
|
}
|
|
|
|
if (sem_destroy (&s) == -1)
|
|
{
|
|
puts ("destroy failed");
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|