/* | |
* Copyright (c) 2017 Intel Corporation | |
* | |
* SPDX-License-Identifier: Apache-2.0 | |
*/ | |
#include <kernel.h> | |
#include <pthread.h> | |
#include "ksched.h" | |
#include "wait_q.h" | |
int pthread_mutex_trylock(pthread_mutex_t *m) | |
{ | |
int key = irq_lock(), ret = EBUSY; | |
if (m->sem->count) { | |
m->sem->count = 0; | |
ret = 0; | |
} | |
irq_unlock(key); | |
return ret; | |
} |