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SDL_timer.h
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 
22 #ifndef _SDL_timer_h
23 #define _SDL_timer_h
24 
31 #include "SDL_stdinc.h"
32 #include "SDL_error.h"
33 
34 #include "begin_code.h"
35 /* Set up for C function definitions, even when using C++ */
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
45 extern DECLSPEC Uint32 SDLCALL SDL_GetTicks(void);
46 
51 
56 
60 extern DECLSPEC void SDLCALL SDL_Delay(Uint32 ms);
61 
70 typedef Uint32 (SDLCALL * SDL_TimerCallback) (Uint32 interval, void *param);
71 
75 typedef int SDL_TimerID;
76 
82 extern DECLSPEC SDL_TimerID SDLCALL SDL_AddTimer(Uint32 interval,
83  SDL_TimerCallback callback,
84  void *param);
85 
93 extern DECLSPEC SDL_bool SDLCALL SDL_RemoveTimer(SDL_TimerID id);
94 
95 
96 /* Ends C function definitions when using C++ */
97 #ifdef __cplusplus
98 }
99 #endif
100 #include "close_code.h"
101 
102 #endif /* _SDL_timer_h */
103 
104 /* vi: set ts=4 sw=4 expandtab: */
GLenum GLint param
Definition: gl2ext.h:1491
SDL_bool
Definition: SDL_stdinc.h:116
#define DECLSPEC
Definition: begin_code.h:62
#define SDLCALL
Definition: begin_code.h:72
DECLSPEC SDL_TimerID SDLCALL SDL_AddTimer(Uint32 interval, SDL_TimerCallback callback, void *param)
Add a new timer to the pool of timers already running.
Definition: SDL_timer.c:284
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:145
DECLSPEC Uint32 SDLCALL SDL_GetTicks(void)
Get the number of milliseconds since the SDL library initialization.
Definition: SDL_systimer.c:44
uint64_t Uint64
An unsigned 64-bit integer type.
Definition: SDL_stdinc.h:154
DECLSPEC Uint64 SDLCALL SDL_GetPerformanceCounter(void)
Get the current value of the high resolution counter.
Definition: SDL_systimer.c:59
DECLSPEC void SDLCALL SDL_Delay(Uint32 ms)
Wait a specified number of milliseconds before returning.
Definition: SDL_systimer.c:70
int SDL_TimerID
Definition: SDL_timer.h:75
DECLSPEC SDL_bool SDLCALL SDL_RemoveTimer(SDL_TimerID id)
Remove a timer knowing its ID.
Definition: SDL_timer.c:354
DECLSPEC Uint64 SDLCALL SDL_GetPerformanceFrequency(void)
Get the count per second of the high resolution counter.
Definition: SDL_systimer.c:65