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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 */ | |
38 | void | |
39 | winBlockHandler(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 | } |