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tests: posix: fix semaphore.h test

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Previous implementation was buggy, destroying
resources with pending thread and race conditions.

New version tests basic functionality with 2
threads and basic synchronization.

Signed-off-by: Juan Manuel Torres Palma <j.m.torrespalma@gmail.com>
This commit is contained in:
Juan Manuel Torres Palma 2018-03-20 19:34:47 +09:00 committed by Andrew Boie
parent 342da7ac72
commit 4aa49053f6
1 changed files with 5 additions and 13 deletions
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18
tests/posix/semaphore/src/sem.c
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@ -18,8 +18,7 @@ static K_THREAD_STACK_DEFINE(stack, STACK_SIZE);
static void *foo_func(void *p1)
{
zassert_false(sem_wait(&sema), "sem_wait failed\n");
printk("Print me after taking semaphore!\n");
printk("Child thread running\n");
zassert_false(sem_post(&sema), "sem_post failed\n");
return NULL;
}
@ -39,26 +38,19 @@ static void test_sema(void)
pthread_attr_setschedpolicy(&attr, schedpolicy);
pthread_attr_setschedparam(&attr, &schedparam);
zassert_equal(sem_init(&sema, 1, 1), -1, "pshared is not 0\n");
zassert_equal(errno, ENOSYS, NULL);
zassert_equal(sem_init(&sema, 0, (CONFIG_SEM_VALUE_MAX + 1)), -1,
"value larger than %d\n", CONFIG_SEM_VALUE_MAX);
zassert_equal(errno, EINVAL, NULL);
zassert_false(sem_init(&sema, 0, 1), "sem_init failed\n");
zassert_false(sem_init(&sema, 0, 0), "sem_init failed\n");
zassert_equal(sem_getvalue(&sema, &val), 0, NULL);
zassert_equal(val, 1, NULL);
zassert_equal(val, 0, NULL);
pthread_create(&newthread, &attr, foo_func, NULL);
zassert_false(sem_wait(&sema), "sem_wait failed\n");
printk("after releasing sem\n");
zassert_false(sem_trywait(&sema), "sem_wait failed\n");
printk("After taking semaphore second time\n");
zassert_false(sem_post(&sema), "sem_post failed\n");
printk("Parent thread unlocked\n");
zassert_false(sem_destroy(&sema), "sema is not destroyed\n");
}