1 .\" Copyright (c) 1997 Brian Cully <shmit@kublai.com>
2 .\" All rights reserved.
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16 .\" THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
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28 .\" $FreeBSD: src/share/man/man3/pthread_mutex_init.3,v 1.18 2007/10/22 10:08:00 ru Exp $
29 .\" $DragonFly: src/lib/libc_r/man/pthread_mutex_init.3,v 1.2 2003/06/17 04:26:48 dillon Exp $
32 .Dt PTHREAD_MUTEX_INIT 3
35 .Nm pthread_mutex_init
42 .Fn pthread_mutex_init "pthread_mutex_t *mutex" "const pthread_mutexattr_t *attr"
45 .Fn pthread_mutex_init
46 function creates a new mutex, with attributes specified with
50 is NULL the default attributes are used.
53 .Fn pthread_mutex_init
54 will return zero and put the new mutex id into
56 otherwise an error number will be returned to indicate the error.
59 .Fn pthread_mutex_init
60 function will fail if:
63 The value specified by
67 The process cannot allocate enough memory to create another mutex.
70 .Xr pthread_mutexattr 3 ,
71 .Xr pthread_mutex_destroy 3 ,
72 .Xr pthread_mutex_lock 3 ,
73 .Xr pthread_mutex_trylock 3 ,
74 .Xr pthread_mutex_unlock 3
77 .Fn pthread_mutex_init