1bb535300SJeff Roberson /* 2df2cf821SDavid Xu * Copyright (c) 2005 David Xu <davidxu@freebsd.org> 3df2cf821SDavid Xu * Copyright (C) 2003 Daniel M. Eischen <deischen@freebsd.org> 4bb535300SJeff Roberson * All rights reserved. 5bb535300SJeff Roberson * 6bb535300SJeff Roberson * Redistribution and use in source and binary forms, with or without 7bb535300SJeff Roberson * modification, are permitted provided that the following conditions 8bb535300SJeff Roberson * are met: 9bb535300SJeff Roberson * 1. Redistributions of source code must retain the above copyright 10df2cf821SDavid Xu * notice unmodified, this list of conditions, and the following 11df2cf821SDavid Xu * disclaimer. 12bb535300SJeff Roberson * 2. Redistributions in binary form must reproduce the above copyright 13bb535300SJeff Roberson * notice, this list of conditions and the following disclaimer in the 14bb535300SJeff Roberson * documentation and/or other materials provided with the distribution. 15bb535300SJeff Roberson * 16df2cf821SDavid Xu * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17df2cf821SDavid Xu * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18df2cf821SDavid Xu * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19df2cf821SDavid Xu * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20df2cf821SDavid Xu * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21df2cf821SDavid Xu * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22df2cf821SDavid Xu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23df2cf821SDavid Xu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24df2cf821SDavid Xu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25df2cf821SDavid Xu * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26bb535300SJeff Roberson * 27bb535300SJeff Roberson * $FreeBSD$ 28df2cf821SDavid Xu * 29bb535300SJeff Roberson */ 30a091d823SDavid Xu 3137a6356bSDavid Xu #include "namespace.h" 32a091d823SDavid Xu #include <sys/types.h> 33bb535300SJeff Roberson #include <errno.h> 34bb535300SJeff Roberson #include <pthread.h> 3537a6356bSDavid Xu #include "un-namespace.h" 36a091d823SDavid Xu 37bb535300SJeff Roberson #include "thr_private.h" 38bb535300SJeff Roberson 39bb535300SJeff Roberson __weak_reference(_pthread_detach, pthread_detach); 40bb535300SJeff Roberson 41bb535300SJeff Roberson int 42bb535300SJeff Roberson _pthread_detach(pthread_t pthread) 43bb535300SJeff Roberson { 44a091d823SDavid Xu struct pthread *curthread = _get_curthread(); 45a091d823SDavid Xu int rval; 464cd18a22SMike Makonnen 47a091d823SDavid Xu if (pthread == NULL) 48bb535300SJeff Roberson return (EINVAL); 49bb535300SJeff Roberson 50a091d823SDavid Xu THREAD_LIST_LOCK(curthread); 51a091d823SDavid Xu if ((rval = _thr_find_thread(curthread, pthread, 52a091d823SDavid Xu /*include dead*/1)) != 0) { 53a091d823SDavid Xu THREAD_LIST_UNLOCK(curthread); 54a091d823SDavid Xu return (rval); 55cff6c3caSMike Makonnen } 56bb535300SJeff Roberson 57a091d823SDavid Xu /* Check if the thread is already detached or has a joiner. */ 58a091d823SDavid Xu if ((pthread->tlflags & TLFLAGS_DETACHED) != 0 || 59a091d823SDavid Xu (pthread->joiner != NULL)) { 60a091d823SDavid Xu THREAD_LIST_UNLOCK(curthread); 61a091d823SDavid Xu return (EINVAL); 62bb535300SJeff Roberson } 63bb535300SJeff Roberson 64a091d823SDavid Xu /* Flag the thread as detached. */ 65a091d823SDavid Xu pthread->tlflags |= TLFLAGS_DETACHED; 66a091d823SDavid Xu if (pthread->state == PS_DEAD) 67a091d823SDavid Xu THR_GCLIST_ADD(pthread); 68a091d823SDavid Xu THREAD_LIST_UNLOCK(curthread); 69bb535300SJeff Roberson 70bb535300SJeff Roberson return (0); 71bb535300SJeff Roberson } 72