Mercurial > sdl-ios-xcode
view src/timer/SDL_timer_c.h @ 3946:259aaca0fb0c SDL-1.2
Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each
processor they ship (and thus, it's likely to beat our code on PowerPC and
Intel and whatever variants or new archs show up later).
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Sun, 03 Jun 2007 06:52:06 +0000 |
parents | d910939febfa |
children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
line wrap: on
line source
/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 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" /* 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);