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pthread_cond_broadcast.3 (59501) pthread_cond_broadcast.3 (73093)
1.\" Copyright (c) 1997 Brian Cully <shmit@kublai.com>
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
9.\" 2. Redistributions in binary form must reproduce the above copyright
10.\" notice, this list of conditions and the following disclaimer in the
11.\" documentation and/or other materials provided with the distribution.
12.\" 3. Neither the name of the author nor the names of any co-contributors
13.\" may be used to endorse or promote products derived from this software
14.\" without specific prior written permission.
15.\"
16.\" THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26.\" SUCH DAMAGE.
27.\"
1.\" Copyright (c) 1997 Brian Cully <shmit@kublai.com>
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
9.\" 2. Redistributions in binary form must reproduce the above copyright
10.\" notice, this list of conditions and the following disclaimer in the
11.\" documentation and/or other materials provided with the distribution.
12.\" 3. Neither the name of the author nor the names of any co-contributors
13.\" may be used to endorse or promote products derived from this software
14.\" without specific prior written permission.
15.\"
16.\" THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26.\" SUCH DAMAGE.
27.\"
28.\" $FreeBSD: head/share/man/man3/pthread_cond_broadcast.3 59501 2000-04-22 15:50:29Z phantom $
28.\" $FreeBSD: head/share/man/man3/pthread_cond_broadcast.3 73093 2001-02-26 15:16:43Z ru $
29.\"
30.Dd July 28, 1998
31.Dt PTHREAD_COND_BROADCAST 3
32.Os BSD 4
33.Sh NAME
34.Nm pthread_cond_broadcast
35.Nd unblock all threads waiting for a condition variable
36.Sh LIBRARY
37.Lb libc_r
38.Sh SYNOPSIS
39.Fd #include <pthread.h>
40.Ft int
41.Fn pthread_cond_broadcast "pthread_cond_t *cond"
42.Sh DESCRIPTION
43The
44.Fn pthread_cond_broadcast
45function unblocks all threads waiting for the condition variable
46.Fa cond .
47.Sh RETURN VALUES
48If successful, the
49.Fn pthread_cond_broadcast
50function will return zero, otherwise an error number will be returned
51to indicate the error.
52.Sh ERRORS
53.Fn pthread_cond_broadcast
54will fail if:
55.Bl -tag -width Er
56.It Bq Er EINVAL
57The value specified by
58.Fa cond
59is invalid.
60.El
61.Pp
62.Sh SEE ALSO
63.Xr pthread_cond_destroy 3 ,
64.Xr pthread_cond_init 3 ,
65.Xr pthread_cond_signal 3 ,
66.Xr pthread_cond_timedwait 3 ,
67.Xr pthread_cond_wait 3
68.Sh STANDARDS
69.Fn pthread_cond_broadcast
29.\"
30.Dd July 28, 1998
31.Dt PTHREAD_COND_BROADCAST 3
32.Os BSD 4
33.Sh NAME
34.Nm pthread_cond_broadcast
35.Nd unblock all threads waiting for a condition variable
36.Sh LIBRARY
37.Lb libc_r
38.Sh SYNOPSIS
39.Fd #include <pthread.h>
40.Ft int
41.Fn pthread_cond_broadcast "pthread_cond_t *cond"
42.Sh DESCRIPTION
43The
44.Fn pthread_cond_broadcast
45function unblocks all threads waiting for the condition variable
46.Fa cond .
47.Sh RETURN VALUES
48If successful, the
49.Fn pthread_cond_broadcast
50function will return zero, otherwise an error number will be returned
51to indicate the error.
52.Sh ERRORS
53.Fn pthread_cond_broadcast
54will fail if:
55.Bl -tag -width Er
56.It Bq Er EINVAL
57The value specified by
58.Fa cond
59is invalid.
60.El
61.Pp
62.Sh SEE ALSO
63.Xr pthread_cond_destroy 3 ,
64.Xr pthread_cond_init 3 ,
65.Xr pthread_cond_signal 3 ,
66.Xr pthread_cond_timedwait 3 ,
67.Xr pthread_cond_wait 3
68.Sh STANDARDS
69.Fn pthread_cond_broadcast
70conforms to ISO/IEC 9945-1 ANSI/IEEE
71.Pq Dq Tn POSIX
72Std 1003.1 Second Edition 1996-07-12.
70conforms to
71.St -p1003.1-96 .