src/timer/dummy/SDL_systimer.c
changeset 1361 19418e4422cb
child 1402 d910939febfa
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/timer/dummy/SDL_systimer.c	Thu Feb 16 10:11:48 2006 +0000
     1.3 @@ -0,0 +1,83 @@
     1.4 +/*
     1.5 +    SDL - Simple DirectMedia Layer
     1.6 +    Copyright (C) 1997-2006 Sam Lantinga
     1.7 +
     1.8 +    This library is free software; you can redistribute it and/or
     1.9 +    modify it under the terms of the GNU Lesser General Public
    1.10 +    License as published by the Free Software Foundation; either
    1.11 +    version 2.1 of the License, or (at your option) any later version.
    1.12 +
    1.13 +    This library is distributed in the hope that it will be useful,
    1.14 +    but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 +    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    1.16 +    Lesser General Public License for more details.
    1.17 +
    1.18 +    You should have received a copy of the GNU Lesser General Public
    1.19 +    License along with this library; if not, write to the Free Software
    1.20 +    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    1.21 +
    1.22 +    Sam Lantinga
    1.23 +    slouken@libsdl.org
    1.24 +*/
    1.25 +
    1.26 +void SDL_StartTicks(void)
    1.27 +{
    1.28 +}
    1.29 +
    1.30 +Uint32 SDL_GetTicks (void)
    1.31 +{
    1.32 +	SDL_Unsupported();
    1.33 +	return 0;
    1.34 +}
    1.35 +
    1.36 +void SDL_Delay (Uint32 ms)
    1.37 +{
    1.38 +	SDL_Unsupported();
    1.39 +}
    1.40 +
    1.41 +#include "SDL_thread.h"
    1.42 +
    1.43 +/* Data to handle a single periodic alarm */
    1.44 +static int timer_alive = 0;
    1.45 +static SDL_Thread *timer = NULL;
    1.46 +
    1.47 +static int RunTimer(void *unused)
    1.48 +{
    1.49 +	while ( timer_alive ) {
    1.50 +		if ( SDL_timer_running ) {
    1.51 +			SDL_ThreadedTimerCheck();
    1.52 +		}
    1.53 +		SDL_Delay(1);
    1.54 +	}
    1.55 +	return(0);
    1.56 +}
    1.57 +
    1.58 +/* This is only called if the event thread is not running */
    1.59 +int SDL_SYS_TimerInit(void)
    1.60 +{
    1.61 +	timer_alive = 1;
    1.62 +	timer = SDL_CreateThread(RunTimer, NULL);
    1.63 +	if ( timer == NULL )
    1.64 +		return(-1);
    1.65 +	return(SDL_SetTimerThreaded(1));
    1.66 +}
    1.67 +
    1.68 +void SDL_SYS_TimerQuit(void)
    1.69 +{
    1.70 +	timer_alive = 0;
    1.71 +	if ( timer ) {
    1.72 +		SDL_WaitThread(timer, NULL);
    1.73 +		timer = NULL;
    1.74 +	}
    1.75 +}
    1.76 +
    1.77 +int SDL_SYS_StartTimer(void)
    1.78 +{
    1.79 +	SDL_SetError("Internal logic error: threaded timer in use");
    1.80 +	return(-1);
    1.81 +}
    1.82 +
    1.83 +void SDL_SYS_StopTimer(void)
    1.84 +{
    1.85 +	return;
    1.86 +}