fusl/src/thread/mtx_trylock.c - Issue 1573973002: Add a "fork" of musl as //fusl.

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Side by Side Diff: fusl/src/thread/mtx_trylock.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Created 4 years, 11 months ago

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	1 #include "pthread_impl.h"

	2 #include <threads.h>

	3

	4 int __pthread_mutex_trylock(mtx_t *);

	5

	6 int mtx_trylock(mtx_t *m)

	7 {

	8 if (m->_m_type == PTHREAD_MUTEX_NORMAL)

	9 return (a_cas(&m->_m_lock, 0, EBUSY) & EBUSY) ? thrd_busy : thrd _success;

	10

	11 int ret = __pthread_mutex_trylock(m);

	12 switch (ret) {

	13 default: return thrd_error;

	14 case 0: return thrd_success;

	15 case EBUSY: return thrd_busy;

	16 }

	17 }

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