pcsx2/3rdparty/SDL-1.3.0-5387/include/SDL_timer.h

100 lines
2.8 KiB
C

/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2011 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
*/
#ifndef _SDL_timer_h
#define _SDL_timer_h
/**
* \file SDL_timer.h
*
* Header for the SDL time management routines.
*/
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
/* *INDENT-OFF* */
extern "C" {
/* *INDENT-ON* */
#endif
/**
* \brief Get the number of milliseconds since the SDL library initialization.
*
* \note This value wraps if the program runs for more than ~49 days.
*/
extern DECLSPEC Uint32 SDLCALL SDL_GetTicks(void);
/**
* \brief Wait a specified number of milliseconds before returning.
*/
extern DECLSPEC void SDLCALL SDL_Delay(Uint32 ms);
/**
* Function prototype for the timer callback function.
*
* The callback function is passed the current timer interval and returns
* the next timer interval. If the returned value is the same as the one
* passed in, the periodic alarm continues, otherwise a new alarm is
* scheduled. If the callback returns 0, the periodic alarm is cancelled.
*/
typedef Uint32 (SDLCALL * SDL_TimerCallback) (Uint32 interval, void *param);
/**
* Definition of the timer ID type.
*/
typedef int SDL_TimerID;
/**
* \brief Add a new timer to the pool of timers already running.
*
* \return A timer ID, or NULL when an error occurs.
*/
extern DECLSPEC SDL_TimerID SDLCALL SDL_AddTimer(Uint32 interval,
SDL_TimerCallback callback,
void *param);
/**
* \brief Remove a timer knowing its ID.
*
* \return A boolean value indicating success or failure.
*
* \warning It is not safe to remove a timer multiple times.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_RemoveTimer(SDL_TimerID t);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
/* *INDENT-OFF* */
}
/* *INDENT-ON* */
#endif
#include "close_code.h"
#endif /* _SDL_timer_h */
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