1 /*
2 * pthread_attr_getdetachstate.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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
35 */
36
37 #include "pthread.h"
38 #include "implement.h"
39
40
41 int
pthread_attr_getdetachstate(const pthread_attr_t * attr,int * detachstate)42 pthread_attr_getdetachstate (const pthread_attr_t * attr, int *detachstate)
43 /*
44 * ------------------------------------------------------
45 * DOCPUBLIC
46 * This function determines 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 * pointer to an integer into which is returned one
55 * of:
56 *
57 * PTHREAD_CREATE_JOINABLE
58 * Thread ID is valid, must be joined
59 *
60 * PTHREAD_CREATE_DETACHED
61 * Thread ID is invalid, cannot be joined,
62 * canceled, or modified
63 *
64 *
65 * DESCRIPTION
66 * This function determines whether threads created with
67 * 'attr' will run detached.
68 *
69 * NOTES:
70 * 1) You cannot join or cancel detached threads.
71 *
72 * RESULTS
73 * 0 successfully retrieved detach state,
74 * EINVAL 'attr' is invalid
75 *
76 * ------------------------------------------------------
77 */
78 {
79 if (ptw32_is_attr (attr) != 0 || detachstate == NULL)
80 {
81 return EINVAL;
82 }
83
84 *detachstate = (*attr)->detachstate;
85 return 0;
86 }
87