mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-09-05 20:29:29 +00:00
f603e603bb
Move posix layer from 'kernel' to 'lib' folder as it is not a core kernel feature. Fixed posix header file dependencies as part of the move and also removed NEWLIBC related macros from posix headers. Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
25 lines
355 B
C
25 lines
355 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 <ksched.h>
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#include <wait_q.h>
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#include <posix/pthread.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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