freebsd-nq/share/man/man3/pthread_cond_destroy.3

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.\" Copyright (c) 1997 Brian Cully <shmit@kublai.com>
.\" All rights reserved.
.\"
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" 3. Neither the name of the author nor the names of any co-contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" $FreeBSD$
.\"
.Dd July 28, 1998
.Dt PTHREAD_COND_DESTROY 3
.Os
.Sh NAME
.Nm pthread_cond_destroy
.Nd destroy a condition variable
.Sh LIBRARY
.Lb libc_r
.Lb libpthread
.Lb libthr
.Sh SYNOPSIS
.In pthread.h
.Ft int
.Fn pthread_cond_destroy "pthread_cond_t *cond"
.Sh DESCRIPTION
The
.Fn pthread_cond_destroy
function frees the resources allocated by the condition variable
.Fa cond .
.Sh RETURN VALUES
If successful, the
.Fn pthread_cond_destroy
function will return zero, otherwise an error number will be returned
to indicate the error.
.Sh ERRORS
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The
.Fn pthread_cond_destroy
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function will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
The value specified by
.Fa cond
is invalid.
.It Bq Er EBUSY
The variable
.Fa cond
is locked by another thread.
.El
.Sh SEE ALSO
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.Xr pthread_cond_broadcast 3 ,
.Xr pthread_cond_init 3 ,
.Xr pthread_cond_signal 3 ,
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.Xr pthread_cond_timedwait 3 ,
.Xr pthread_cond_wait 3
.Sh STANDARDS
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The
.Fn pthread_cond_destroy
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function conforms to
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.St -p1003.1-96 .