1 .\" Copyright (c) 2003 Michael Telahun Makonnen
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25 .\" $FreeBSD: src/share/man/man3/pthread_mutex_timedlock.3,v 1.6 2007/10/22 10:08:00 ru Exp $
28 .Dt PTHREAD_MUTEX_TIMEDLOCK 3
31 .Nm pthread_mutex_timedlock
32 .Nd lock a mutex without blocking indefinitely
39 .Fn pthread_mutex_timedlock "pthread_mutex_t *mutex" "const struct timespec *abs_timeout"
42 .Fn pthread_mutex_timedlock
45 If it is already locked the calling thread will block until
46 the mutex becomes available or
48 specified by abs_timeout,
50 The time of the timeout is an absolute time and
51 is not relative to the current time.
54 .Fn pthread_mutex_timedlock
55 will return zero, otherwise an error number will be returned to
59 .Fn pthread_mutex_timedlock
60 function will fail if:
65 was created with the protocol attribute having the
66 value PTHREAD_PRIO_PROTECT and
67 the calling thread's priority is higher than the
68 mutex's current priority ceiling.
70 The process or thread would have blocked, and
72 specified a nanosecond value less than zero or
73 greater than or equal to 1 billion.
81 could not be locked before the timeout expired.
85 could not be acquired because the
86 maximum number of recursive locks for the
90 The current thread already owns the
94 .Xr pthread_mutex_destroy 3 ,
95 .Xr pthread_mutex_init 3 ,
96 .Xr pthread_mutex_lock 3 ,
97 .Xr pthread_mutex_trylock 3 ,
98 .Xr pthread_mutex_unlock 3
101 .Fn pthread_mutex_timedlock
102 function is expected to conform to