76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
|
/* Copyright (C) 2003-2022 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 <fcntl.h>
|
||
|
|
#include <semaphore.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
|
||
|
|
static void
|
||
|
|
remove_sem (int status, void *arg)
|
||
|
|
{
|
||
|
|
sem_unlink (arg);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static int
|
||
|
|
do_test (void)
|
||
|
|
{
|
||
|
|
sem_t *s;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
on_exit (remove_sem, (void *) "/glibc-tst-sem8");
|
||
|
|
|
||
|
|
for (i = 0; i < 3; ++i)
|
||
|
|
{
|
||
|
|
s = sem_open ("/glibc-tst-sem8", O_CREAT, 0600, 1);
|
||
|
|
if (s == SEM_FAILED)
|
||
|
|
{
|
||
|
|
if (errno == ENOSYS)
|
||
|
|
{
|
||
|
|
puts ("sem_open not supported. Oh well.");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Maybe the shm filesystem has strict permissions. */
|
||
|
|
if (errno == EACCES)
|
||
|
|
{
|
||
|
|
puts ("sem_open not allowed. Oh well.");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
printf ("sem_open: %m\n");
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Now close the handle. */
|
||
|
|
if (sem_close (s) != 0)
|
||
|
|
{
|
||
|
|
puts ("sem_close failed");
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define TEST_FUNCTION do_test ()
|
||
|
|
#include "../test-skeleton.c"
|