1998-07-31 09:09:19 +00:00
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.\" Copyright (c) 1997 Brian Cully <shmit@kublai.com>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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1999-08-28 00:22:10 +00:00
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.\" $FreeBSD$
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1999-07-12 20:50:10 +00:00
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.\"
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2014-10-25 19:31:34 +00:00
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.Dd October 25, 2014
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1998-07-31 09:09:19 +00:00
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.Dt PTHREAD_CLEANUP_PUSH 3
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2001-07-10 13:41:46 +00:00
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.Os
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1998-07-31 09:09:19 +00:00
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.Sh NAME
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.Nm pthread_cleanup_push
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.Nd add a cleanup function for thread exit
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2000-04-22 15:50:29 +00:00
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.Sh LIBRARY
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2004-01-14 21:44:26 +00:00
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.Lb libpthread
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1998-07-31 09:09:19 +00:00
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.Sh SYNOPSIS
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2001-10-01 16:09:29 +00:00
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.In pthread.h
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1998-07-31 09:09:19 +00:00
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.Ft void
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2001-05-18 06:56:03 +00:00
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.Fn pthread_cleanup_push "void \*[lp]*cleanup_routine\*[rp]\*[lp]void *\*[rp]" "void *arg"
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1998-07-31 09:09:19 +00:00
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.Sh DESCRIPTION
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The
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.Fn pthread_cleanup_push
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function adds
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.Fa cleanup_routine
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to the top of the stack of cleanup handlers that
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get called when the current thread exits.
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.Pp
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When
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2001-05-18 06:56:03 +00:00
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.Fa cleanup_routine
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1998-07-31 09:09:19 +00:00
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is called, it is passed
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.Fa arg
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as its only argument.
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2014-10-25 19:31:34 +00:00
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.Pp
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The
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.Fn pthread_cleanup_push
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function is implemented as a macro that opens a new block.
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Invocations of this function must appear as standalone statements that are
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paired with a later call of
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.Xr pthread_cleanup_pop 3
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in the same lexical scope.
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1998-07-31 09:09:19 +00:00
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.Sh RETURN VALUES
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2003-02-06 11:10:32 +00:00
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The
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1998-07-31 09:09:19 +00:00
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.Fn pthread_cleanup_push
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2003-02-06 11:10:32 +00:00
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function does not return any value.
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1998-07-31 09:09:19 +00:00
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.Sh ERRORS
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None
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.Sh SEE ALSO
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.Xr pthread_cleanup_pop 3 ,
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.Xr pthread_exit 3
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.Sh STANDARDS
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2003-02-06 11:10:32 +00:00
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The
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1998-07-31 09:09:19 +00:00
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.Fn pthread_cleanup_push
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2003-02-06 11:10:32 +00:00
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function conforms to
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2001-02-26 15:16:43 +00:00
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.St -p1003.1-96 .
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