1.\" Copyright (c) 1996-1998 John Birrell <jb@cimlogic.com.au>. 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. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by John Birrell. 15.\" 4. Neither the name of the author nor the names of any co-contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" $FreeBSD: src/share/man/man3/pthread_detach.3,v 1.18 2007/10/22 10:08:00 ru Exp $ 32.\" $DragonFly: src/lib/libc_r/man/pthread_detach.3,v 1.3 2007/06/30 19:03:52 swildner Exp $ 33.\" 34.Dd July 10, 2009 35.Dt PTHREAD_DETACH 3 36.Os 37.Sh NAME 38.Nm pthread_detach 39.Nd detach a thread 40.Sh LIBRARY 41.Lb libpthread 42.Sh SYNOPSIS 43.In pthread.h 44.Ft int 45.Fn pthread_detach "pthread_t thread" 46.Sh DESCRIPTION 47The 48.Fn pthread_detach 49function is used to indicate to the implementation that storage for the 50thread 51.Fa thread 52can be reclaimed when the thread terminates. 53If 54.Fa thread 55has not terminated, 56.Fn pthread_detach 57will not cause it to terminate. 58The effect of multiple 59.Fn pthread_detach 60calls on the same target thread is unspecified. 61.Sh RETURN VALUES 62If successful, the 63.Fn pthread_detach 64function will return zero. 65Otherwise an error number will be returned to 66indicate the error. 67Note that the function does not change the value 68of 69.Va errno 70as it did for some drafts of the standard. 71These early drafts also passed a pointer to 72.Vt pthread_t 73as the argument. 74Beware! 75.Sh ERRORS 76The 77.Fn pthread_detach 78function will fail if: 79.Bl -tag -width Er 80.It Bq Er EINVAL 81The implementation has detected that the value specified by 82.Fa thread 83does not refer to a joinable thread. 84.It Bq Er ESRCH 85No thread could be found corresponding to that specified by the given 86thread ID, 87.Fa thread . 88.El 89.Sh SEE ALSO 90.Xr pthread_join 3 91.Sh STANDARDS 92The 93.Fn pthread_detach 94function conforms to 95.St -p1003.1-96 . 96