sortix-mirror/regress/test-pthread-tls.c

52 lines
1.3 KiB
C

/*
* Copyright (c) 2014 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* test-pthread-tls.c
* Tests whether basic tls support works.
*/
#include <pthread.h>
#include "test.h"
__thread int tls_variable = 42;
void* thread_routine(void* ctx)
{
(void) ctx;
test_assertx(tls_variable == 42);
tls_variable = 9001;
return NULL;
}
int main(void)
{
test_assertx(tls_variable == 42);
tls_variable = 1337;
pthread_t thread;
test_assertp(pthread_create(&thread, NULL, &thread_routine, NULL));
test_assertp(pthread_join(thread, NULL));
test_assertx(tls_variable == 1337);
return 0;
}