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pthread condition variable tests

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This commit is contained in:
Ali Mashtizadeh 2015-02-02 13:13:59 -08:00
parent 73064ffdf6
commit 41ba001828
2 changed files with 50 additions and 4 deletions
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2
lib/libc/posix/pthread.c
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@ -339,7 +339,7 @@ pthread_cond_destroy(pthread_cond_t *cond)
*cond = NULL; *cond = NULL;
free(cnd); free(cnd);
return EINVAL; return 0;
} }
int int

52
tests/pthreadtest.c
View File

@ -7,6 +7,7 @@
#include <pthread.h> #include <pthread.h>
pthread_mutex_t mtx; pthread_mutex_t mtx;
pthread_cond_t cnd;
void * void *
thread_simple(void *arg) thread_simple(void *arg)
@ -33,6 +34,22 @@ thread_lock(void *arg)
return NULL; return NULL;
} }
void *
thread_cond(void *arg)
{
int i;
int status;
for (i = 0; i < 100; i++) {
status = pthread_cond_wait(&cnd, NULL);
assert(status == 0);
status = pthread_cond_signal(&cnd);
assert(status == 0);
}
return NULL;
}
int int
main(int argc, const char *argv[]) main(int argc, const char *argv[])
{ {
@ -43,23 +60,25 @@ main(int argc, const char *argv[])
printf("PThread Test\n"); printf("PThread Test\n");
// Simple thread test // Simple thread Test
printf("simple test\n"); printf("simple test\n");
status = pthread_create(&thr, NULL, thread_simple, NULL); status = pthread_create(&thr, NULL, thread_simple, NULL);
assert(status == 0); assert(status == 0);
status = pthread_join(thr, &result); status = pthread_join(thr, &result);
assert(status == 0); assert(status == 0);
assert(result == NULL); assert(result == NULL);
printf("\n");
// Return value test // Return value Test
printf("return value test\n"); printf("return value test\n");
status = pthread_create(&thr, NULL, thread_simple, (void *)1); status = pthread_create(&thr, NULL, thread_simple, (void *)1);
assert(status == 0); assert(status == 0);
status = pthread_join(thr, &result); status = pthread_join(thr, &result);
assert(status == 0); assert(status == 0);
assert(result == (void *)1); assert(result == (void *)1);
printf("\n");
// Mutex test // Mutex Test
printf("simple mutex lock test\n"); printf("simple mutex lock test\n");
status = pthread_mutex_init(&mtx, NULL); status = pthread_mutex_init(&mtx, NULL);
assert(status == 0); assert(status == 0);
@ -69,6 +88,7 @@ main(int argc, const char *argv[])
assert(status == 0); assert(status == 0);
status = pthread_mutex_destroy(&mtx); status = pthread_mutex_destroy(&mtx);
assert(status == 0); assert(status == 0);
printf("\n");
// Mutex Contention Test // Mutex Contention Test
printf("contended mutex lock test\n"); printf("contended mutex lock test\n");
@ -86,6 +106,32 @@ main(int argc, const char *argv[])
assert(status == 0); assert(status == 0);
status = pthread_mutex_destroy(&mtx); status = pthread_mutex_destroy(&mtx);
assert(status == 0); assert(status == 0);
printf("\n");
// Condition Variable Test
printf("simple condition variable test\n");
status = pthread_cond_init(&cnd, NULL);
assert(status == 0);
status = pthread_cond_signal(&cnd);
assert(status == 0);
status = pthread_cond_wait(&cnd, NULL);
assert(status == 0);
status = pthread_cond_destroy(&cnd);
assert(status == 0);
printf("\n");
printf("threaded condition variable test\n");
status = pthread_cond_init(&cnd, NULL);
assert(status == 0);
for (i = 0; i < 100; i++) {
status = pthread_cond_signal(&cnd);
assert(status == 0);
status = pthread_cond_wait(&cnd, NULL);
assert(status == 0);
}
status = pthread_cond_destroy(&cnd);
assert(status == 0);
printf("\n");
printf("Success!\n"); printf("Success!\n");