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

59 lines
1.4 KiB
C

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2014.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
This program 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 General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
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_assert(tls_variable == 42);
tls_variable = 9001;
return NULL;
}
int main(void)
{
int errnum;
test_assert(tls_variable == 42);
tls_variable = 1337;
pthread_t thread;
if ( (errnum = pthread_create(&thread, NULL, &thread_routine, NULL)) )
test_error(errnum, "pthread_create");
if ( (errnum = pthread_join(thread, NULL)) )
test_error(errnum, "pthread_join");
test_assert(tls_variable == 1337);
return 0;
}