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/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <semaphore.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
static void
handler (int sig)
{
struct sigaction sa;
sa.sa_handler = SIG_DFL;
sa.sa_flags = 0;
sigemptyset (&sa.sa_mask);
sigaction (SIGALRM, &sa, NULL);
/* Rearm the timer. */
alarm (1);
}
static int
do_test (void)
{
sem_t s;
struct sigaction sa;
sa.sa_handler = handler;
sa.sa_flags = 0;
sigemptyset (&sa.sa_mask);
sigaction (SIGALRM, &sa, NULL);
if (sem_init (&s, 0, 0) == -1)
{
puts ("init failed");
return 1;
}
/* Set an alarm for 1 second. The wrapper will expect this. */
alarm (1);
int res = sem_wait (&s);
if (res == 0)
{
puts ("wait succeeded");
return 1;
}
if (res != -1 || errno != EINTR)
{
puts ("wait didn't fail with EINTR");
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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