slouken@1361
|
1 |
/*
|
slouken@1361
|
2 |
SDL - Simple DirectMedia Layer
|
slouken@4159
|
3 |
Copyright (C) 1997-2009 Sam Lantinga
|
slouken@1361
|
4 |
|
slouken@1361
|
5 |
This library is free software; you can redistribute it and/or
|
slouken@1361
|
6 |
modify it under the terms of the GNU Lesser General Public
|
slouken@1361
|
7 |
License as published by the Free Software Foundation; either
|
slouken@1361
|
8 |
version 2.1 of the License, or (at your option) any later version.
|
slouken@1361
|
9 |
|
slouken@1361
|
10 |
This library is distributed in the hope that it will be useful,
|
slouken@1361
|
11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
slouken@1361
|
12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
slouken@1361
|
13 |
Lesser General Public License for more details.
|
slouken@1361
|
14 |
|
slouken@1361
|
15 |
You should have received a copy of the GNU Lesser General Public
|
slouken@1361
|
16 |
License along with this library; if not, write to the Free Software
|
slouken@1361
|
17 |
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
slouken@1361
|
18 |
|
slouken@1361
|
19 |
Sam Lantinga
|
slouken@1361
|
20 |
slouken@libsdl.org
|
slouken@1361
|
21 |
*/
|
slouken@1402
|
22 |
#include "SDL_config.h"
|
slouken@1361
|
23 |
|
slouken@1635
|
24 |
#if defined(SDL_TIMER_DUMMY) || defined(SDL_TIMERS_DISABLED)
|
slouken@1635
|
25 |
|
slouken@1484
|
26 |
#include "SDL_timer.h"
|
slouken@1484
|
27 |
#include "../SDL_timer_c.h"
|
slouken@1484
|
28 |
|
slouken@1361
|
29 |
void SDL_StartTicks(void)
|
slouken@1361
|
30 |
{
|
slouken@1361
|
31 |
}
|
slouken@1361
|
32 |
|
slouken@1361
|
33 |
Uint32 SDL_GetTicks (void)
|
slouken@1361
|
34 |
{
|
slouken@1361
|
35 |
SDL_Unsupported();
|
slouken@1361
|
36 |
return 0;
|
slouken@1361
|
37 |
}
|
slouken@1361
|
38 |
|
slouken@1361
|
39 |
void SDL_Delay (Uint32 ms)
|
slouken@1361
|
40 |
{
|
slouken@1361
|
41 |
SDL_Unsupported();
|
slouken@1361
|
42 |
}
|
slouken@1361
|
43 |
|
slouken@1361
|
44 |
#include "SDL_thread.h"
|
slouken@1361
|
45 |
|
slouken@1361
|
46 |
/* Data to handle a single periodic alarm */
|
slouken@1361
|
47 |
static int timer_alive = 0;
|
slouken@1361
|
48 |
static SDL_Thread *timer = NULL;
|
slouken@1361
|
49 |
|
slouken@1361
|
50 |
static int RunTimer(void *unused)
|
slouken@1361
|
51 |
{
|
slouken@1361
|
52 |
while ( timer_alive ) {
|
slouken@1361
|
53 |
if ( SDL_timer_running ) {
|
slouken@1361
|
54 |
SDL_ThreadedTimerCheck();
|
slouken@1361
|
55 |
}
|
slouken@1361
|
56 |
SDL_Delay(1);
|
slouken@1361
|
57 |
}
|
slouken@1361
|
58 |
return(0);
|
slouken@1361
|
59 |
}
|
slouken@1361
|
60 |
|
slouken@1361
|
61 |
/* This is only called if the event thread is not running */
|
slouken@1361
|
62 |
int SDL_SYS_TimerInit(void)
|
slouken@1361
|
63 |
{
|
slouken@1361
|
64 |
timer_alive = 1;
|
slouken@1361
|
65 |
timer = SDL_CreateThread(RunTimer, NULL);
|
slouken@1361
|
66 |
if ( timer == NULL )
|
slouken@1361
|
67 |
return(-1);
|
slouken@1361
|
68 |
return(SDL_SetTimerThreaded(1));
|
slouken@1361
|
69 |
}
|
slouken@1361
|
70 |
|
slouken@1361
|
71 |
void SDL_SYS_TimerQuit(void)
|
slouken@1361
|
72 |
{
|
slouken@1361
|
73 |
timer_alive = 0;
|
slouken@1361
|
74 |
if ( timer ) {
|
slouken@1361
|
75 |
SDL_WaitThread(timer, NULL);
|
slouken@1361
|
76 |
timer = NULL;
|
slouken@1361
|
77 |
}
|
slouken@1361
|
78 |
}
|
slouken@1361
|
79 |
|
slouken@1361
|
80 |
int SDL_SYS_StartTimer(void)
|
slouken@1361
|
81 |
{
|
slouken@1361
|
82 |
SDL_SetError("Internal logic error: threaded timer in use");
|
slouken@1361
|
83 |
return(-1);
|
slouken@1361
|
84 |
}
|
slouken@1361
|
85 |
|
slouken@1361
|
86 |
void SDL_SYS_StopTimer(void)
|
slouken@1361
|
87 |
{
|
slouken@1361
|
88 |
return;
|
slouken@1361
|
89 |
}
|
slouken@1635
|
90 |
|
slouken@1635
|
91 |
#endif /* SDL_TIMER_DUMMY || SDL_TIMERS_DISABLED */
|