diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/timer/dummy/SDL_systimer.c')
-rw-r--r-- | distrib/sdl-1.2.15/src/timer/dummy/SDL_systimer.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/timer/dummy/SDL_systimer.c b/distrib/sdl-1.2.15/src/timer/dummy/SDL_systimer.c new file mode 100644 index 0000000..cc266bc --- /dev/null +++ b/distrib/sdl-1.2.15/src/timer/dummy/SDL_systimer.c @@ -0,0 +1,91 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#if defined(SDL_TIMER_DUMMY) || defined(SDL_TIMERS_DISABLED) + +#include "SDL_timer.h" +#include "../SDL_timer_c.h" + +void SDL_StartTicks(void) +{ +} + +Uint32 SDL_GetTicks (void) +{ + SDL_Unsupported(); + return 0; +} + +void SDL_Delay (Uint32 ms) +{ + SDL_Unsupported(); +} + +#include "SDL_thread.h" + +/* Data to handle a single periodic alarm */ +static int timer_alive = 0; +static SDL_Thread *timer = NULL; + +static int RunTimer(void *unused) +{ + while ( timer_alive ) { + if ( SDL_timer_running ) { + SDL_ThreadedTimerCheck(); + } + SDL_Delay(1); + } + return(0); +} + +/* This is only called if the event thread is not running */ +int SDL_SYS_TimerInit(void) +{ + timer_alive = 1; + timer = SDL_CreateThread(RunTimer, NULL); + if ( timer == NULL ) + return(-1); + return(SDL_SetTimerThreaded(1)); +} + +void SDL_SYS_TimerQuit(void) +{ + timer_alive = 0; + if ( timer ) { + SDL_WaitThread(timer, NULL); + timer = NULL; + } +} + +int SDL_SYS_StartTimer(void) +{ + SDL_SetError("Internal logic error: threaded timer in use"); + return(-1); +} + +void SDL_SYS_StopTimer(void) +{ + return; +} + +#endif /* SDL_TIMER_DUMMY || SDL_TIMERS_DISABLED */ |