Add patch that contain Mali fixes.
[deb_xorg-server.git] / hw / xwin / winblock.c
CommitLineData
a09e091a
JB
1/*
2 *Copyright (C) 2001-2004 Harold L Hunt II All Rights Reserved.
3 *
4 *Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 *"Software"), to deal in the Software without restriction, including
7 *without limitation the rights to use, copy, modify, merge, publish,
8 *distribute, sublicense, and/or sell copies of the Software, and to
9 *permit persons to whom the Software is furnished to do so, subject to
10 *the following conditions:
11 *
12 *The above copyright notice and this permission notice shall be
13 *included in all copies or substantial portions of the Software.
14 *
15 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
19 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
20 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 *
23 *Except as contained in this notice, the name of Harold L Hunt II
24 *shall not be used in advertising or otherwise to promote the sale, use
25 *or other dealings in this Software without prior written authorization
26 *from Harold L Hunt II.
27 *
28 * Authors: Harold L Hunt II
29 */
30
31#ifdef HAVE_XWIN_CONFIG_H
32#include <xwin-config.h>
33#endif
34#include "win.h"
35#include "winmsg.h"
36
37/* See Porting Layer Definition - p. 6 */
38void
39winBlockHandler(ScreenPtr pScreen,
40 pointer pTimeout, pointer pReadMask)
41{
42#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)
43 winScreenPriv(pScreen);
44#endif
45
46#ifndef HAS_DEVWINDOWS
47 struct timeval **tvp = pTimeout;
48
49 if (*tvp != NULL) {
50 if (GetQueueStatus(QS_ALLINPUT | QS_ALLPOSTMESSAGE) != 0) {
51 /* If there are still messages to process on the Windows message
52 queue, make sure select() just polls rather than blocking.
53 */
54 (*tvp)->tv_sec = 0;
55 (*tvp)->tv_usec = 0;
56 }
57 else {
58 /* Otherwise, lacking /dev/windows, we must wake up again in
59 a reasonable time to check the Windows message queue. without
60 noticeable delay.
61 */
62 (*tvp)->tv_sec = 0;
63 (*tvp)->tv_usec = 100;
64 }
65 }
66#endif
67
68#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)
69 /* Signal threaded modules to begin */
70 if (pScreenPriv != NULL && !pScreenPriv->fServerStarted) {
71 int iReturn;
72
73 ErrorF("winBlockHandler - pthread_mutex_unlock()\n");
74
75 /* Flag that modules are to be started */
76 pScreenPriv->fServerStarted = TRUE;
77
78 /* Unlock the mutex for threaded modules */
79 iReturn = pthread_mutex_unlock(&pScreenPriv->pmServerStarted);
80 if (iReturn != 0) {
81 ErrorF("winBlockHandler - pthread_mutex_unlock () failed: %d\n",
82 iReturn);
83 }
84 else {
85 winDebug("winBlockHandler - pthread_mutex_unlock () returned\n");
86 }
87 }
88#endif
89
90 /*
91 At least one X client has asked to suspend the screensaver, so
92 reset Windows' display idle timer
93 */
94#ifdef SCREENSAVER
95 if (screenSaverSuspended)
96 SetThreadExecutionState(ES_DISPLAY_REQUIRED);
97#endif
98}