325abfbcf4
As per IEEE 1003.1 POSIX APIs should return ERROR_CODE on error. But currently these are returning -ERROR_CODE instead of ERROR_CODE. So fixing the return value. Signed-off-by: Youvedeep Singh <youvedeep.singh@intel.com>
25 lines
349 B
C
25 lines
349 B
C
/*
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* Copyright (c) 2017 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <kernel.h>
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#include <pthread.h>
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#include "ksched.h"
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#include "wait_q.h"
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int pthread_mutex_trylock(pthread_mutex_t *m)
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{
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int key = irq_lock(), ret = EBUSY;
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if (m->sem->count) {
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m->sem->count = 0;
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ret = 0;
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}
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irq_unlock(key);
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return ret;
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}
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