1 /*
2 * pthread_attr_setdetachstate.c
3 *
4 * Description:
5 * This translation unit implements operations on thread attribute objects.
6 *
7 * --------------------------------------------------------------------------
8 *
9 * Pthreads-embedded (PTE) - POSIX Threads Library for embedded systems
10 * Copyright(C) 2008 Jason Schmidlapp
11 *
12 * Contact Email: jschmidlapp@users.sourceforge.net
13 *
14 *
15 * Based upon Pthreads-win32 - POSIX Threads Library for Win32
16 * Copyright(C) 1998 John E. Bossom
17 * Copyright(C) 1999,2005 Pthreads-win32 contributors
18 *
19 * Contact Email: rpj@callisto.canberra.edu.au
20 *
21 * The original list of contributors to the Pthreads-win32 project
22 * is contained in the file CONTRIBUTORS.ptw32 included with the
23 * source code distribution. The list can also be seen at the
24 * following World Wide Web location:
25 * http://sources.redhat.com/pthreads-win32/contributors.html
26 *
27 * This library is free software; you can redistribute it and/or
28 * modify it under the terms of the GNU Lesser General Public
29 * License as published by the Free Software Foundation; either
30 * version 2 of the License, or (at your option) any later version.
31 *
32 * This library is distributed in the hope that it will be useful,
33 * but WITHOUT ANY WARRANTY; without even the implied warranty of
34 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
35 * Lesser General Public License for more details.
36 *
37 * You should have received a copy of the GNU Lesser General Public
38 * License along with this library in the file COPYING.LIB;
39 * if not, write to the Free Software Foundation, Inc.,
40 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
41 */
42
43 #include "pthread.h"
44 #include "implement.h"
45
46
47 int
pthread_attr_setdetachstate(pthread_attr_t * attr,int detachstate)48 pthread_attr_setdetachstate (pthread_attr_t * attr, int detachstate)
49 /*
50 * ------------------------------------------------------
51 * DOCPUBLIC
52 * This function specifies whether threads created with
53 * 'attr' will run detached.
54 *
55 * PARAMETERS
56 * attr
57 * pointer to an instance of pthread_attr_t
58 *
59 * detachstate
60 * an integer containing one of:
61 *
62 * PTHREAD_CREATE_JOINABLE
63 * Thread ID is valid, must be joined
64 *
65 * PTHREAD_CREATE_DETACHED
66 * Thread ID is invalid, cannot be joined,
67 * canceled, or modified
68 *
69 *
70 * DESCRIPTION
71 * This function specifies whether threads created with
72 * 'attr' will run detached.
73 *
74 * NOTES:
75 * 1) You cannot join or cancel detached threads.
76 *
77 * RESULTS
78 * 0 successfully set detach state,
79 * EINVAL 'attr' or 'detachstate' is invalid
80 *
81 * ------------------------------------------------------
82 */
83 {
84 if (pte_is_attr (attr) != 0)
85 {
86 return EINVAL;
87 }
88
89 if (detachstate != PTHREAD_CREATE_JOINABLE &&
90 detachstate != PTHREAD_CREATE_DETACHED)
91 {
92 return EINVAL;
93 }
94
95 (*attr)->detachstate = detachstate;
96 return 0;
97 }
98