Mercurial > sdl-ios-xcode
annotate src/events/SDL_quit.c @ 4000:9776ab9063de SDL-1.2
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 04 Jul 2007 15:22:47 +0000 |
| parents | d910939febfa |
| children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
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Sam Lantinga <slouken@libsdl.org>
parents:
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15 You should have received a copy of the GNU Lesser General Public |
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c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
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16 License along with this library; if not, write to the Free Software |
|
c9b51268668f
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Sam Lantinga <slouken@libsdl.org>
parents:
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 /* General quit handling code for SDL */ | |
| 25 | |
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Sam Lantinga <slouken@libsdl.org>
parents:
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26 #ifdef HAVE_SIGNAL_H |
| 0 | 27 #include <signal.h> |
| 28 #endif | |
| 29 | |
| 30 #include "SDL_events.h" | |
| 31 #include "SDL_events_c.h" | |
| 32 | |
| 33 | |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
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34 #ifdef HAVE_SIGNAL_H |
| 0 | 35 static void SDL_HandleSIG(int sig) |
| 36 { | |
| 37 /* Reset the signal handler */ | |
| 38 signal(sig, SDL_HandleSIG); | |
| 39 | |
| 40 /* Signal a quit interrupt */ | |
| 41 SDL_PrivateQuit(); | |
| 42 } | |
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450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
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43 #endif /* HAVE_SIGNAL_H */ |
| 0 | 44 |
| 45 /* Public functions */ | |
| 46 int SDL_QuitInit(void) | |
| 47 { | |
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It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
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48 #ifdef HAVE_SIGNAL_H |
| 0 | 49 void (*ohandler)(int); |
| 50 | |
| 51 /* Both SIGINT and SIGTERM are translated into quit interrupts */ | |
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Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
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52 ohandler = signal(SIGINT, SDL_HandleSIG); |
| 0 | 53 if ( ohandler != SIG_DFL ) |
| 54 signal(SIGINT, ohandler); | |
| 55 ohandler = signal(SIGTERM, SDL_HandleSIG); | |
| 56 if ( ohandler != SIG_DFL ) | |
| 57 signal(SIGTERM, ohandler); | |
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1330
450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
58 #endif /* HAVE_SIGNAL_H */ |
| 0 | 59 |
| 60 /* That's it! */ | |
| 61 return(0); | |
| 62 } | |
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Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
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63 void SDL_QuitQuit(void) |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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64 { |
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1330
450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
65 #ifdef HAVE_SIGNAL_H |
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1123
28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
66 void (*ohandler)(int); |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
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67 |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
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68 ohandler = signal(SIGINT, SIG_DFL); |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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69 if ( ohandler != SDL_HandleSIG ) |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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70 signal(SIGINT, ohandler); |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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71 ohandler = signal(SIGTERM, SIG_DFL); |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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72 if ( ohandler != SDL_HandleSIG ) |
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28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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73 signal(SIGTERM, ohandler); |
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1330
450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
74 #endif /* HAVE_SIGNAL_H */ |
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1123
28ac87a38c17
Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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75 } |
| 0 | 76 |
| 77 /* This function returns 1 if it's okay to close the application window */ | |
| 78 int SDL_PrivateQuit(void) | |
| 79 { | |
| 80 int posted; | |
| 81 | |
| 82 posted = 0; | |
| 83 if ( SDL_ProcessEvents[SDL_QUIT] == SDL_ENABLE ) { | |
| 84 SDL_Event event; | |
| 85 event.type = SDL_QUIT; | |
| 86 if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { | |
| 87 posted = 1; | |
| 88 SDL_PushEvent(&event); | |
| 89 } | |
| 90 } | |
| 91 return(posted); | |
| 92 } |