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Diffstat (limited to 'tests/test-pthread-thread.c')
-rw-r--r-- | tests/test-pthread-thread.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/tests/test-pthread-thread.c b/tests/test-pthread-thread.c new file mode 100644 index 0000000..f52fb7b --- /dev/null +++ b/tests/test-pthread-thread.c @@ -0,0 +1,73 @@ +/* Test of pthread_create () function. + Copyright (C) 2011-2022 Free Software Foundation, Inc. + + 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 <https://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2011. */ + +#include <config.h> + +#include <pthread.h> + +#include <stdio.h> +#include <string.h> + +#include "macros.h" + +static pthread_t main_thread_before; +static pthread_t main_thread_after; +static pthread_t worker_thread; + +#define MAGIC ((void *) 1266074729) +static volatile int work_done; + +static void * +worker_thread_func (void *arg) +{ + work_done = 1; + return MAGIC; +} + +int +main () +{ + main_thread_before = pthread_self (); + + if (pthread_create (&worker_thread, NULL, worker_thread_func, NULL) == 0) + { + void *ret; + + /* Check that pthread_self () has the same value before than after the + first call to pthread_create (). */ + main_thread_after = pthread_self (); + ASSERT (memcmp (&main_thread_before, &main_thread_after, + sizeof (pthread_t)) + == 0); + + ASSERT (pthread_join (worker_thread, &ret) == 0); + + /* Check the return value of the thread. */ + ASSERT (ret == MAGIC); + + /* Check that worker_thread_func () has finished executing. */ + ASSERT (work_done); + + return 0; + } + else + { + fputs ("pthread_create failed\n", stderr); + return 1; + } +} |