.\" Copyright (c) 1997 Brian Cully <shmit@kublai.com>
.\" All rights reserved.
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.\" $FreeBSD: src/share/man/man3/pthread_cleanup_push.3,v 1.15 2007/10/22 10:08:00 ru Exp $
.\" $DragonFly: src/lib/libc_r/man/pthread_cleanup_push.3,v 1.2 2003/06/17 04:26:47 dillon Exp $
.\"
.Dd July 10, 2009
.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.
.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 .