mtx_timedlock(3)	   Library Functions Manual	      mtx_timedlock(3)

NAME
     mtx_timedlock – attempt acquire a mutex with timeout

SYNOPSIS
     library “threads”
     #include <threads.h>

     int
     mtx_timedlock(mtx_t *mtx, const struct timespec *ts);

DESCRIPTION
     The function mtx_timedlock() will attempt to acquire a mutex mtx, if the
     mutex is already acquired by an other thread the function will wait for
     the amount specified by ts.  The timeout ts is absolute and derived from
     CLOCK_REALTIME.

     If the mutex is already being held by the current thread and locking
     recursion was not specified to mtx_init(3) the thread will be in a
     deadlock. If recursion is enabled the thread will acquire an additional
     instance of the mutex.  In this case to unlock the mutex mtx_unlock(3)
     must be called an equal number of times as mtx_timedlock(),
     mtx_trylock(3) or mtx_lock(3) have been called from the same thread on
     the same mutex, in order to unlock the mutex for other threads.

RETURN VALUES
     Upon success mtx_timedlock() will return thrd_success if the mutex has
     been acauired, if the mutex could not be acquired within the timeout
     thrd_timedout will be returned.  In case of error thrd_error will be
     returned.

SEE ALSO
     mtx_init(3) mtx_destroy(3) mtx_unlock(3) mtx_trylock(3) mtx_lock(3)

HISTORY
     The mtx_timedlock() function first appeared in the C11 standard ISO/IEC
     9899:2011.

AUTHORS
     Jan Adelsbach <jan@jadelsbach.de>


Debian				  May 9, 2020				Debian