bool
mutex_wait(mutex_t* mutex) {
#if FOUNDATION_PLATFORM_WINDOWS
return mutex_try_wait(mutex, INFINITE);
#else
return mutex_try_wait(mutex, 0xFFFFFFFF);
#endif
}
DECLARE_TEST(mutex, basic) {
mutex_t* mutex;
mutex = mutex_allocate(STRING_CONST("test"));
EXPECT_CONSTSTRINGEQ(mutex_name(mutex), string_const(STRING_CONST("test")));
EXPECT_TRUE(mutex_try_lock(mutex));
EXPECT_TRUE(mutex_lock(mutex));
EXPECT_TRUE(mutex_try_lock(mutex));
EXPECT_TRUE(mutex_lock(mutex));
EXPECT_TRUE(mutex_unlock(mutex));
EXPECT_TRUE(mutex_unlock(mutex));
EXPECT_TRUE(mutex_unlock(mutex));
EXPECT_TRUE(mutex_unlock(mutex));
log_set_suppress(0, ERRORLEVEL_WARNING);
EXPECT_FALSE(mutex_unlock(mutex));
log_set_suppress(0, ERRORLEVEL_INFO);
mutex_signal(mutex);
thread_yield();
EXPECT_TRUE(mutex_try_wait(mutex, 1));
EXPECT_TRUE(mutex_unlock(mutex));
mutex_signal(mutex);
thread_yield();
EXPECT_TRUE(mutex_wait(mutex));
EXPECT_TRUE(mutex_unlock(mutex));
log_set_suppress(0, ERRORLEVEL_WARNING);
EXPECT_FALSE(mutex_try_wait(mutex, 100));
EXPECT_FALSE(mutex_unlock(mutex));
log_set_suppress(0, ERRORLEVEL_INFO);
mutex_signal(mutex);
thread_yield();
EXPECT_TRUE(mutex_try_wait(mutex, 1));
log_set_suppress(0, ERRORLEVEL_WARNING);
EXPECT_FALSE(mutex_try_wait(mutex, 100));
EXPECT_TRUE(mutex_unlock(mutex));
EXPECT_FALSE(mutex_unlock(mutex));
log_set_suppress(0, ERRORLEVEL_INFO);
mutex_deallocate(mutex);
return 0;
}
static void*
thread_waiter(void* arg) {
mutex_t* mutex = arg;
atomic_incr32(&thread_waiting);
if (mutex_try_wait(mutex, 30000)) {
atomic_incr32(&thread_waited);
mutex_unlock(mutex);
}
else {
log_warn(HASH_TEST, WARNING_SUSPICIOUS, STRING_CONST("Thread timeout"));
}
return 0;
}
DECLARE_TEST(mutex, signal) {
mutex_t* mutex;
thread_t thread[32];
size_t ith;
mutex = mutex_allocate(STRING_CONST("test"));
mutex_lock(mutex);
for (ith = 0; ith < 32; ++ith)
thread_initialize(&thread[ith], thread_waiter, mutex, STRING_CONST("thread_wait"),
THREAD_PRIORITY_NORMAL, 0);
for (ith = 0; ith < 32; ++ith)
thread_start(&thread[ith]);
mutex_unlock(mutex);
test_wait_for_threads_startup(thread, 32);
while (atomic_load32(&thread_waiting) < 32)
thread_yield();
thread_sleep(1000); //Hack wait to give threads time to progress from atomic_incr to mutex_wait
mutex_signal(mutex);
test_wait_for_threads_finish(thread, 32);
for (ith = 0; ith < 32; ++ith)
thread_finalize(&thread[ith]);
EXPECT_EQ(atomic_load32(&thread_waited), 32);
EXPECT_FALSE(mutex_try_wait(mutex, 500));
mutex_deallocate(mutex);
return 0;
}
