Update.
[glibc.git] / nptl / pthread_attr_setdetachstate.c
bloba0e6c201780f25aebe618cc73bfeafa083c5026d
1 /* Copyright (C) 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <assert.h>
21 #include <errno.h>
22 #include "pthreadP.h"
25 int
26 __pthread_attr_setdetachstate (attr, detachstate)
27 pthread_attr_t *attr;
28 int detachstate;
30 struct pthread_attr *iattr;
32 assert (sizeof (*attr) >= sizeof (struct pthread_attr));
33 iattr = (struct pthread_attr *) attr;
35 /* Catch invalid values. */
36 if (detachstate != PTHREAD_CREATE_DETACHED
37 && __builtin_expect (detachstate != PTHREAD_CREATE_JOINABLE, 0))
38 return EINVAL;
40 /* Set the flag. It is nonzero if threads are created detached. */
41 if (detachstate == PTHREAD_CREATE_DETACHED)
42 iattr->flags |= ATTR_FLAG_DETACHSTATE;
43 else
44 iattr->flags &= ~ATTR_FLAG_DETACHSTATE;
46 return 0;
48 strong_alias (__pthread_attr_setdetachstate, pthread_attr_setdetachstate)