1 /*
2 * pthread_attr_setdetachstate.c
3 *
4 * Description:
5 * This translation unit implements operations on thread attribute objects.
6 *
7 * --------------------------------------------------------------------------
8 *
9 * Pthreads-win32 - POSIX Threads Library for Win32
10 * Copyright(C) 1998 John E. Bossom
11 * Copyright(C) 1999,2005 Pthreads-win32 contributors
12 *
13 * Contact Email: rpj@callisto.canberra.edu.au
14 *
15 * The current list of contributors is contained
16 * in the file CONTRIBUTORS included with the source
17 * code distribution. The list can also be seen at the
18 * following World Wide Web location:
19 * http://sources.redhat.com/pthreads-win32/contributors.html
20 *
21 * This library is free software; you can redistribute it and/or
22 * modify it under the terms of the GNU Lesser General Public
23 * License as published by the Free Software Foundation; either
24 * version 2 of the License, or (at your option) any later version.
25 *
26 * This library is distributed in the hope that it will be useful,
27 * but WITHOUT ANY WARRANTY; without even the implied warranty of
28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
29 * Lesser General Public License for more details.
30 *
31 * You should have received a copy of the GNU Lesser General Public
32 * License along with this library in the file COPYING.LIB;
33 * if not, write to the Free Software Foundation, Inc.,
34 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
35 */
36
37 #include "pthread.h"
38 #include "implement.h"
39
40
41 int
pthread_attr_setdetachstate(pthread_attr_t * attr,int detachstate)42 pthread_attr_setdetachstate (pthread_attr_t * attr, int detachstate)
43 /*
44 * ------------------------------------------------------
45 * DOCPUBLIC
46 * This function specifies whether threads created with
47 * 'attr' will run detached.
48 *
49 * PARAMETERS
50 * attr
51 * pointer to an instance of pthread_attr_t
52 *
53 * detachstate
54 * an integer containing one of:
55 *
56 * PTHREAD_CREATE_JOINABLE
57 * Thread ID is valid, must be joined
58 *
59 * PTHREAD_CREATE_DETACHED
60 * Thread ID is invalid, cannot be joined,
61 * canceled, or modified
62 *
63 *
64 * DESCRIPTION
65 * This function specifies whether threads created with
66 * 'attr' will run detached.
67 *
68 * NOTES:
69 * 1) You cannot join or cancel detached threads.
70 *
71 * RESULTS
72 * 0 successfully set detach state,
73 * EINVAL 'attr' or 'detachstate' is invalid
74 *
75 * ------------------------------------------------------
76 */
77 {
78 if (ptw32_is_attr (attr) != 0)
79 {
80 return EINVAL;
81 }
82
83 if (detachstate != PTHREAD_CREATE_JOINABLE &&
84 detachstate != PTHREAD_CREATE_DETACHED)
85 {
86 return EINVAL;
87 }
88
89 (*attr)->detachstate = detachstate;
90 return 0;
91 }
92