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 *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
35 */
36
37#include "pthread.h"
38#include "implement.h"
39
40
41int
42pthread_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