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author | Franklin Wei <git@fwei.tk> | 2017-01-21 15:18:31 -0500 |
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committer | Franklin Wei <git@fwei.tk> | 2017-12-23 21:01:26 -0500 |
commit | a855d6202536ff28e5aae4f22a0f31d8f5b325d0 (patch) | |
tree | 8c75f224dd64ed360505afa8843d016b0d75000b /apps/plugins/sdl/src/events/SDL_quit.c | |
parent | 01c6dcf6c7b9bb1ad2fa0450f99bacc5f3d3e04b (diff) | |
download | rockbox-a855d6202536ff28e5aae4f22a0f31d8f5b325d0.tar.gz rockbox-a855d6202536ff28e5aae4f22a0f31d8f5b325d0.zip |
Port of Duke Nukem 3D
This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL
for Rockbox.
Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9
Diffstat (limited to 'apps/plugins/sdl/src/events/SDL_quit.c')
-rw-r--r-- | apps/plugins/sdl/src/events/SDL_quit.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/events/SDL_quit.c b/apps/plugins/sdl/src/events/SDL_quit.c new file mode 100644 index 0000000000..2e6c56e796 --- /dev/null +++ b/apps/plugins/sdl/src/events/SDL_quit.c | |||
@@ -0,0 +1,124 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
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 | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | /* General quit handling code for SDL */ | ||
25 | |||
26 | #ifdef HAVE_SIGNAL_H | ||
27 | #include <signal.h> | ||
28 | #endif | ||
29 | |||
30 | #include "SDL_events.h" | ||
31 | #include "SDL_events_c.h" | ||
32 | |||
33 | |||
34 | #ifdef HAVE_SIGNAL_H | ||
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 | } | ||
43 | #endif /* HAVE_SIGNAL_H */ | ||
44 | |||
45 | /* Public functions */ | ||
46 | int SDL_QuitInit(void) | ||
47 | { | ||
48 | #ifdef HAVE_SIGACTION | ||
49 | struct sigaction action; | ||
50 | sigaction(SIGINT, NULL, &action); | ||
51 | # ifdef HAVE_SA_SIGACTION | ||
52 | if ( action.sa_handler == SIG_DFL && action.sa_sigaction == (void*)SIG_DFL ) { | ||
53 | # else | ||
54 | if ( action.sa_handler == SIG_DFL ) { | ||
55 | # endif | ||
56 | action.sa_handler = SDL_HandleSIG; | ||
57 | sigaction(SIGINT, &action, NULL); | ||
58 | } | ||
59 | sigaction(SIGTERM, NULL, &action); | ||
60 | # ifdef HAVE_SA_SIGACTION | ||
61 | if ( action.sa_handler == SIG_DFL && action.sa_sigaction == (void*)SIG_DFL ) { | ||
62 | # else | ||
63 | if ( action.sa_handler == SIG_DFL ) { | ||
64 | # endif | ||
65 | action.sa_handler = SDL_HandleSIG; | ||
66 | sigaction(SIGTERM, &action, NULL); | ||
67 | } | ||
68 | #elif HAVE_SIGNAL_H | ||
69 | void (*ohandler)(int); | ||
70 | |||
71 | /* Both SIGINT and SIGTERM are translated into quit interrupts */ | ||
72 | ohandler = signal(SIGINT, SDL_HandleSIG); | ||
73 | if ( ohandler != SIG_DFL ) | ||
74 | signal(SIGINT, ohandler); | ||
75 | ohandler = signal(SIGTERM, SDL_HandleSIG); | ||
76 | if ( ohandler != SIG_DFL ) | ||
77 | signal(SIGTERM, ohandler); | ||
78 | #endif /* HAVE_SIGNAL_H */ | ||
79 | |||
80 | /* That's it! */ | ||
81 | return(0); | ||
82 | } | ||
83 | void SDL_QuitQuit(void) | ||
84 | { | ||
85 | #ifdef HAVE_SIGACTION | ||
86 | struct sigaction action; | ||
87 | sigaction(SIGINT, NULL, &action); | ||
88 | if ( action.sa_handler == SDL_HandleSIG ) { | ||
89 | action.sa_handler = SIG_DFL; | ||
90 | sigaction(SIGINT, &action, NULL); | ||
91 | } | ||
92 | sigaction(SIGTERM, NULL, &action); | ||
93 | if ( action.sa_handler == SDL_HandleSIG ) { | ||
94 | action.sa_handler = SIG_DFL; | ||
95 | sigaction(SIGTERM, &action, NULL); | ||
96 | } | ||
97 | #elif HAVE_SIGNAL_H | ||
98 | void (*ohandler)(int); | ||
99 | |||
100 | ohandler = signal(SIGINT, SIG_DFL); | ||
101 | if ( ohandler != SDL_HandleSIG ) | ||
102 | signal(SIGINT, ohandler); | ||
103 | ohandler = signal(SIGTERM, SIG_DFL); | ||
104 | if ( ohandler != SDL_HandleSIG ) | ||
105 | signal(SIGTERM, ohandler); | ||
106 | #endif /* HAVE_SIGNAL_H */ | ||
107 | } | ||
108 | |||
109 | /* This function returns 1 if it's okay to close the application window */ | ||
110 | int SDL_PrivateQuit(void) | ||
111 | { | ||
112 | int posted; | ||
113 | |||
114 | posted = 0; | ||
115 | if ( SDL_ProcessEvents[SDL_QUIT] == SDL_ENABLE ) { | ||
116 | SDL_Event event; | ||
117 | event.type = SDL_QUIT; | ||
118 | if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { | ||
119 | posted = 1; | ||
120 | SDL_PushEvent(&event); | ||
121 | } | ||
122 | } | ||
123 | return(posted); | ||
124 | } | ||