| 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 | } |