1112918Sjeff/* 2153496Sdavidxu * Copyright (c) 2005 David Xu <davidxu@freebsd.org> 3153496Sdavidxu * Copyright (C) 2003 Daniel M. Eischen <deischen@freebsd.org> 4112918Sjeff * All rights reserved. 5112918Sjeff * 6112918Sjeff * Redistribution and use in source and binary forms, with or without 7112918Sjeff * modification, are permitted provided that the following conditions 8112918Sjeff * are met: 9112918Sjeff * 1. Redistributions of source code must retain the above copyright 10153496Sdavidxu * notice unmodified, this list of conditions, and the following 11153496Sdavidxu * disclaimer. 12112918Sjeff * 2. Redistributions in binary form must reproduce the above copyright 13112918Sjeff * notice, this list of conditions and the following disclaimer in the 14112918Sjeff * documentation and/or other materials provided with the distribution. 15112918Sjeff * 16153496Sdavidxu * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17153496Sdavidxu * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18153496Sdavidxu * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19153496Sdavidxu * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20153496Sdavidxu * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21153496Sdavidxu * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22153496Sdavidxu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23153496Sdavidxu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24153496Sdavidxu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25153496Sdavidxu * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26112918Sjeff * 27112918Sjeff * $FreeBSD: releng/10.2/lib/libthr/thread/thr_detach.c 212536 2010-09-13 07:03:01Z davidxu $ 28153496Sdavidxu * 29112918Sjeff */ 30144518Sdavidxu 31157457Sdavidxu#include "namespace.h" 32144518Sdavidxu#include <sys/types.h> 33112918Sjeff#include <errno.h> 34112918Sjeff#include <pthread.h> 35157457Sdavidxu#include "un-namespace.h" 36144518Sdavidxu 37112918Sjeff#include "thr_private.h" 38112918Sjeff 39112918Sjeff__weak_reference(_pthread_detach, pthread_detach); 40112918Sjeff 41112918Sjeffint 42112918Sjeff_pthread_detach(pthread_t pthread) 43112918Sjeff{ 44144518Sdavidxu struct pthread *curthread = _get_curthread(); 45144518Sdavidxu int rval; 46129484Smtm 47144518Sdavidxu if (pthread == NULL) 48112918Sjeff return (EINVAL); 49112918Sjeff 50144518Sdavidxu if ((rval = _thr_find_thread(curthread, pthread, 51144518Sdavidxu /*include dead*/1)) != 0) { 52144518Sdavidxu return (rval); 53115693Smtm } 54112918Sjeff 55144518Sdavidxu /* Check if the thread is already detached or has a joiner. */ 56212536Sdavidxu if ((pthread->flags & THR_FLAGS_DETACHED) != 0 || 57144518Sdavidxu (pthread->joiner != NULL)) { 58212536Sdavidxu THR_THREAD_UNLOCK(curthread, pthread); 59144518Sdavidxu return (EINVAL); 60112918Sjeff } 61112918Sjeff 62144518Sdavidxu /* Flag the thread as detached. */ 63212536Sdavidxu pthread->flags |= THR_FLAGS_DETACHED; 64212536Sdavidxu _thr_try_gc(curthread, pthread); /* thread lock released */ 65112918Sjeff 66112918Sjeff return (0); 67112918Sjeff} 68