Move pthread* manpages to lib/libpthread as they are not libc_r specific.
[dragonfly.git] / lib / libpthread / pthread_cond_init.3
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1.\" Copyright (c) 1997 Brian Cully <shmit@kublai.com>
2.\" All rights reserved.
3.\"
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28.\" $FreeBSD: src/lib/libc_r/man/pthread_cond_init.3,v 1.6.2.6 2001/12/17 10:08:26 ru Exp $
1de703da 29.\" $DragonFly: src/lib/libc_r/man/pthread_cond_init.3,v 1.2 2003/06/17 04:26:48 dillon Exp $
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30.\"
31.Dd July 28, 1998
32.Dt PTHREAD_COND_INIT 3
33.Os
34.Sh NAME
35.Nm pthread_cond_init
36.Nd create a condition variable
37.Sh LIBRARY
38.Lb libc_r
39.Sh SYNOPSIS
40.In pthread.h
41.Ft int
42.Fn pthread_cond_init "pthread_cond_t *cond" "const pthread_condattr_t *attr"
43.Sh DESCRIPTION
44The
45.Fn pthread_cond_init
46function creates a new condition variable, with attributes specified with
47.Fa attr .
48If
49.Fa attr
50is NULL the default attributes are used.
51.Sh RETURN VALUES
52If successful, the
53.Fn pthread_cond_init
54function will return zero and put the new condition variable id into
55.Fa cond ,
56otherwise an error number will be returned to indicate the error.
57.Sh ERRORS
58.Fn pthread_cond_init
59will fail if:
60.Bl -tag -width Er
61.It Bq Er EINVAL
62The value specified by
63.Fa attr
64is invalid.
65.It Bq Er ENOMEM
66The process cannot allocate enough memory to create another condition
67variable.
68.It Bq Er EAGAIN
69The system temporarily lacks the resources to create another condition
70variable.
71.El
72.Sh SEE ALSO
73.Xr pthread_cond_broadcast 3 ,
74.Xr pthread_cond_destroy 3 ,
75.Xr pthread_cond_signal 3 ,
76.Xr pthread_cond_timedwait 3 ,
77.Xr pthread_cond_wait 3
78.Sh STANDARDS
79.Fn pthread_cond_init
80conforms to
81.St -p1003.1-96 .