Mercurial > sdl-ios-xcode
diff src/timer/SDL_timer_c.h @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
---|---|
date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | e8157fcb3114 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/timer/SDL_timer_c.h Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,52 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997, 1998 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + 5635-34 Springhouse Dr. + Pleasanton, CA 94588 (USA) + slouken@devolution.com +*/ + +#ifdef SAVE_RCSID +static char rcsid = + "@(#) $Id$"; +#endif + +/* Useful functions and variables from SDL_timer.c */ +#include "SDL_timer.h" + +#define ROUND_RESOLUTION(X) \ + (((X+TIMER_RESOLUTION-1)/TIMER_RESOLUTION)*TIMER_RESOLUTION) + +extern int SDL_timer_started; +extern int SDL_timer_running; + +/* Data to handle a single periodic alarm */ +extern Uint32 SDL_alarm_interval; +extern SDL_TimerCallback SDL_alarm_callback; + +/* Set whether or not the timer should use a thread. + This should be called while the timer subsystem is running. +*/ +extern int SDL_SetTimerThreaded(int value); + +extern int SDL_TimerInit(void); +extern void SDL_TimerQuit(void); + +/* This function is called from the SDL event thread if it is available */ +extern void SDL_ThreadedTimerCheck(void);