Mercurial > sdl-ios-xcode
annotate src/timer/beos/SDL_systimer.c @ 3626:596468a8459e
Merged r5016:5017 from branches/SDL-1.2: PS2 DMA mapping fix.
I assume this video target is slated for removal in 1.3, but I merged this,
just in case.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Sun, 10 Jan 2010 06:32:41 +0000 |
parents | 99210400e8b9 |
children | f7b03b6838cb |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
2859 | 3 Copyright (C) 1997-2009 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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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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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 |
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24 #ifdef SDL_TIMER_BEOS |
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25 |
0 | 26 #include <be/kernel/OS.h> |
27 | |
28 #include "SDL_thread.h" | |
29 #include "SDL_timer.h" | |
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30 #include "../SDL_timer_c.h" |
0 | 31 |
32 static bigtime_t start; | |
33 | |
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34 void |
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35 SDL_StartTicks(void) |
0 | 36 { |
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37 /* Set first ticks value */ |
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38 start = system_time(); |
0 | 39 } |
40 | |
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41 Uint32 |
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42 SDL_GetTicks(void) |
0 | 43 { |
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44 return ((system_time() - start) / 1000); |
0 | 45 } |
46 | |
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47 void |
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48 SDL_Delay(Uint32 ms) |
0 | 49 { |
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50 snooze(ms * 1000); |
0 | 51 } |
52 | |
53 /* Data to handle a single periodic alarm */ | |
54 static int timer_alive = 0; | |
55 static SDL_Thread *timer = NULL; | |
56 | |
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57 static int |
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58 RunTimer(void *unused) |
0 | 59 { |
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60 while (timer_alive) { |
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61 if (SDL_timer_running) { |
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62 SDL_ThreadedTimerCheck(); |
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63 } |
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64 SDL_Delay(10); |
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65 } |
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66 return (0); |
0 | 67 } |
68 | |
69 /* This is only called if the event thread is not running */ | |
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70 int |
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71 SDL_SYS_TimerInit(void) |
0 | 72 { |
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73 timer_alive = 1; |
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74 timer = SDL_CreateThread(RunTimer, NULL); |
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75 if (timer == NULL) |
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76 return (-1); |
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77 return (SDL_SetTimerThreaded(1)); |
0 | 78 } |
79 | |
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80 void |
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81 SDL_SYS_TimerQuit(void) |
0 | 82 { |
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83 timer_alive = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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84 if (timer) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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85 SDL_WaitThread(timer, NULL); |
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86 timer = NULL; |
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87 } |
0 | 88 } |
89 | |
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90 int |
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91 SDL_SYS_StartTimer(void) |
0 | 92 { |
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93 SDL_SetError("Internal logic error: BeOS uses threaded timer"); |
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94 return (-1); |
0 | 95 } |
96 | |
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97 void |
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98 SDL_SYS_StopTimer(void) |
0 | 99 { |
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100 return; |
0 | 101 } |
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102 |
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103 #endif /* SDL_TIMER_BEOS */ |
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104 /* vi: set ts=4 sw=4 expandtab: */ |