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posix: pthread: pthread_mutex_timedlock should accept absolute deadline

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It was coded as if it accepts relative timeout. Normative reference:
http://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_timedlock.html

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
This commit is contained in:
Paul Sokolovsky 2019-08-27 15:48:29 +03:00 • committed by Anas Nashif
commit 0906671a7b
2 changed files with 6 additions and 3 deletions
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2
include/posix/pthread.h
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@ -224,7 +224,7 @@ int pthread_mutex_unlock(pthread_mutex_t *m);
*/
int pthread_mutex_timedlock(pthread_mutex_t *m,
const struct timespec *to);
const struct timespec *abstime);
/**
* @brief POSIX threading compatibility API

7
lib/posix/pthread_mutex.c
View file

@ -9,6 +9,8 @@
#include <wait_q.h>
#include <posix/pthread.h>
s64_t timespec_to_timeoutms(const struct timespec *abstime);
#define MUTEX_MAX_REC_LOCK 32767
/*
@ -73,9 +75,10 @@ int pthread_mutex_trylock(pthread_mutex_t *m)
* See IEEE 1003.1
*/
int pthread_mutex_timedlock(pthread_mutex_t *m,
const struct timespec *to)
const struct timespec *abstime)
{
return acquire_mutex(m, _ts_to_ms(to));
s32_t timeout = (s32_t)timespec_to_timeoutms(abstime);
return acquire_mutex(m, timeout);
}
/**