mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-28 03:42:04 +01:00
613a9773e5
create a new code block and thus must be balanced at the same lexical scope. (This is also a requirement in POSIX.) PR: 194280 Submitted by: dr2867.business@pacbell.net MFC after: 1 week
77 lines
2.6 KiB
Groff
77 lines
2.6 KiB
Groff
.\" Copyright (c) 1997 Brian Cully <shmit@kublai.com>
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 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
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd October 25, 2014
|
|
.Dt PTHREAD_CLEANUP_PUSH 3
|
|
.Os
|
|
.Sh NAME
|
|
.Nm pthread_cleanup_push
|
|
.Nd add a cleanup function for thread exit
|
|
.Sh LIBRARY
|
|
.Lb libpthread
|
|
.Sh SYNOPSIS
|
|
.In pthread.h
|
|
.Ft void
|
|
.Fn pthread_cleanup_push "void \*[lp]*cleanup_routine\*[rp]\*[lp]void *\*[rp]" "void *arg"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn pthread_cleanup_push
|
|
function adds
|
|
.Fa cleanup_routine
|
|
to the top of the stack of cleanup handlers that
|
|
get called when the current thread exits.
|
|
.Pp
|
|
When
|
|
.Fa cleanup_routine
|
|
is called, it is passed
|
|
.Fa arg
|
|
as its only argument.
|
|
.Pp
|
|
The
|
|
.Fn pthread_cleanup_push
|
|
function is implemented as a macro that opens a new block.
|
|
Invocations of this function must appear as standalone statements that are
|
|
paired with a later call of
|
|
.Xr pthread_cleanup_pop 3
|
|
in the same lexical scope.
|
|
.Sh RETURN VALUES
|
|
The
|
|
.Fn pthread_cleanup_push
|
|
function does not return any value.
|
|
.Sh ERRORS
|
|
None
|
|
.Sh SEE ALSO
|
|
.Xr pthread_cleanup_pop 3 ,
|
|
.Xr pthread_exit 3
|
|
.Sh STANDARDS
|
|
The
|
|
.Fn pthread_cleanup_push
|
|
function conforms to
|
|
.St -p1003.1-96 .
|