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.Dd July 30, 1998 29.Dt PTHREAD_CLEANUP_PUSH 3 30.Os 31.Sh NAME 32.Nm pthread_cleanup_push 33.Nd add a cleanup function for thread exit 34.Sh SYNOPSIS 35.Fd #include <pthread.h> 36.Ft void 37.Fn pthread_cleanup_push "void (*cleanup_routine)(void *)" "void *arg" 38.Sh DESCRIPTION 39The 40.Fn pthread_cleanup_push 41function adds 42.Fa cleanup_routine 43to the top of the stack of cleanup handlers that 44get called when the current thread exits. 45.Pp 46When 47.Fn pthread_cleanup_push 48is called, it is passed 49.Fa arg 50as its only argument. 51.Sh RETURN VALUES 52.Fn pthread_cleanup_push 53does not return any value. 54.Sh ERRORS 55None 56.Sh SEE ALSO 57.Xr pthread_cleanup_pop 3 , 58.Xr pthread_exit 3 59.Sh STANDARDS 60.Fn pthread_cleanup_push 61conforms to ISO/IEC 9945-1 ANSI/IEEE 62.Pq Dq Tn POSIX 63Std 1003.1 Second Edition 1996-07-12. 64