glibc/sysdeps/pthread/tst-tss-basic.c

76 lines
2.1 KiB
C

/* C11 threads specific storage tests.
Copyright (C) 2018-2023 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 <threads.h>
#include <stdio.h>
#include <unistd.h>
#include <support/check.h>
/* Thread specific storage. */
static tss_t key;
#define TSS_VALUE (void*) 0xFF
static int
tss_thrd (void *arg)
{
if (tss_create (&key, NULL) != thrd_success)
FAIL_EXIT1 ("tss_create failed");
if (tss_set (key, TSS_VALUE) != thrd_success)
FAIL_EXIT1 ("tss_set failed");
void *value = tss_get (key);
if (value == 0)
FAIL_EXIT1 ("tss_get failed");
if (value != TSS_VALUE)
FAIL_EXIT1 ("tss_get returned %p, expected %p", value, TSS_VALUE);
thrd_exit (thrd_success);
}
static int
do_test (void)
{
/* Setting an invalid key should return an error. */
if (tss_set (key, TSS_VALUE) == thrd_success)
FAIL_EXIT1 ("tss_set succeed where it should have failed");
if (tss_create (&key, NULL) != thrd_success)
FAIL_EXIT1 ("tss_create failed");
thrd_t id;
if (thrd_create (&id, tss_thrd, NULL) != thrd_success)
FAIL_EXIT1 ("thrd_create failed");
if (thrd_join (id, NULL) != thrd_success)
FAIL_EXIT1 ("thrd failed");
/* The value set in tss_thrd should not be visible here. */
void *value = tss_get (key);
if (value != 0)
FAIL_EXIT1 ("tss_get succeed where it should have failed");
tss_delete (key);
return 0;
}
#include <support/test-driver.c>