src/timer/SDL_timer_c.h
author Sam Lantinga
Mon, 06 Feb 2006 08:28:51 +0000
changeset 1330 450721ad5436
parent 1312 c9b51268668f
child 1402 d910939febfa
permissions -rw-r--r--
It's now possible to build SDL without any C runtime at all on Windows,
using Visual C++ 2005
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2006 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Lesser General Public
     7     License as published by the Free Software Foundation; either
     8     version 2.1 of the License, or (at your option) any later version.
     9 
    10     This library is distributed in the hope that it will be useful,
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13     Lesser General Public License for more details.
    14 
    15     You should have received a copy of the GNU Lesser General Public
    16     License along with this library; if not, write to the Free Software
    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 
    23 /* Useful functions and variables from SDL_timer.c */
    24 #include "SDL_timer.h"
    25 
    26 #define ROUND_RESOLUTION(X)	\
    27 	(((X+TIMER_RESOLUTION-1)/TIMER_RESOLUTION)*TIMER_RESOLUTION)
    28 
    29 extern int SDL_timer_started;
    30 extern int SDL_timer_running;
    31 
    32 /* Data to handle a single periodic alarm */
    33 extern Uint32 SDL_alarm_interval;
    34 extern SDL_TimerCallback SDL_alarm_callback;
    35 
    36 /* Set whether or not the timer should use a thread.
    37    This should be called while the timer subsystem is running.
    38 */
    39 extern int SDL_SetTimerThreaded(int value);
    40 
    41 extern int SDL_TimerInit(void);
    42 extern void SDL_TimerQuit(void);
    43 
    44 /* This function is called from the SDL event thread if it is available */
    45 extern void SDL_ThreadedTimerCheck(void);