/[pcsx2_0.9.7]/trunk/3rdparty/w32pthreads/ptw32_new.c
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Contents of /trunk/3rdparty/w32pthreads/ptw32_new.c

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Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (9 years, 11 months ago) by william
File MIME type: text/plain
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committing r3113 initial commit again...
1 /*
2 * ptw32_new.c
3 *
4 * Description:
5 * This translation unit implements miscellaneous thread functions.
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 "ptw32pch.h"
38
39 pthread_t
40 ptw32_new (void)
41 {
42 pthread_t t;
43 pthread_t nil = {NULL, 0};
44 ptw32_thread_t * tp;
45
46 /*
47 * If there's a reusable pthread_t then use it.
48 */
49 t = ptw32_threadReusePop ();
50
51 if (NULL != t.p)
52 {
53 tp = (ptw32_thread_t *) t.p;
54 }
55 else
56 {
57 /* No reuse threads available */
58 tp = (ptw32_thread_t *) calloc (1, sizeof(ptw32_thread_t));
59
60 if (tp == NULL)
61 {
62 return nil;
63 }
64
65 /* ptHandle.p needs to point to it's parent ptw32_thread_t. */
66 t.p = tp->ptHandle.p = tp;
67 t.x = tp->ptHandle.x = 0;
68 }
69
70 /* Set default state. */
71 tp->sched_priority = THREAD_PRIORITY_NORMAL;
72 tp->detachState = PTHREAD_CREATE_JOINABLE;
73 tp->cancelState = PTHREAD_CANCEL_ENABLE;
74 tp->cancelType = PTHREAD_CANCEL_DEFERRED;
75
76 #ifdef PTW32_STATIC_MUTEXS
77 tp->cancelLock = PTHREAD_MUTEX_INITIALIZER;
78 tp->threadLock = PTHREAD_MUTEX_INITIALIZER;
79 #else
80 pthread_mutex_init (&tp->cancelLock, NULL);
81 pthread_mutex_init (&tp->threadLock, NULL);
82 #endif
83
84 tp->cancelEvent = CreateEvent (0, (int) PTW32_TRUE, /* manualReset */
85 (int) PTW32_FALSE, /* setSignaled */
86 NULL);
87
88 if (tp->cancelEvent == NULL)
89 {
90 ptw32_threadReusePush (tp->ptHandle);
91 return nil;
92 }
93
94 return t;
95
96 }

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