2 * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by John Birrell.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $DragonFly: src/lib/libthread_xu/thread/thr_detach.c,v 1.4 2006/04/06 13:03:09 davidxu Exp $
35 #include "namespace.h"
36 #include <machine/tls.h>
40 #include "un-namespace.h"
42 #include "thr_private.h"
45 _pthread_detach(pthread_t pthread
)
47 struct pthread
*curthread
= tls_get_curthread();
53 THREAD_LIST_LOCK(curthread
);
54 if ((rval
= _thr_find_thread(curthread
, pthread
,
55 /*include dead*/1)) != 0) {
56 THREAD_LIST_UNLOCK(curthread
);
60 /* Check if the thread is already detached or has a joiner. */
61 if ((pthread
->tlflags
& TLFLAGS_DETACHED
) != 0 ||
62 (pthread
->joiner
!= NULL
)) {
63 THREAD_LIST_UNLOCK(curthread
);
67 /* Flag the thread as detached. */
68 pthread
->tlflags
|= TLFLAGS_DETACHED
;
69 if (pthread
->state
== PS_DEAD
)
70 THR_GCLIST_ADD(pthread
);
71 THREAD_LIST_UNLOCK(curthread
);
76 __strong_reference(_pthread_detach
, pthread_detach
);