mirror of
https://github.com/ZDoom/zdoom-macos-deps.git
synced 2024-11-25 05:11:49 +00:00
92 lines
2.3 KiB
C
Executable file
92 lines
2.3 KiB
C
Executable file
/* porttime.h -- portable interface to millisecond timer */
|
|
|
|
/* CHANGE LOG FOR PORTTIME
|
|
10-Jun-03 Mark Nelson & RBD
|
|
boost priority of timer thread in ptlinux.c implementation
|
|
*/
|
|
|
|
/* Should there be a way to choose the source of time here? */
|
|
|
|
#ifdef WIN32
|
|
#ifndef INT32_DEFINED
|
|
// rather than having users install a special .h file for windows,
|
|
// just put the required definitions inline here. portmidi.h uses
|
|
// these too, so the definitions are (unfortunately) duplicated there
|
|
typedef int int32_t;
|
|
typedef unsigned int uint32_t;
|
|
#define INT32_DEFINED
|
|
#endif
|
|
#else
|
|
#include <stdint.h> // needed for int32_t
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifndef PMEXPORT
|
|
#ifdef _WINDLL
|
|
#define PMEXPORT __declspec(dllexport)
|
|
#else
|
|
#define PMEXPORT
|
|
#endif
|
|
#endif
|
|
|
|
typedef enum {
|
|
ptNoError = 0, /* success */
|
|
ptHostError = -10000, /* a system-specific error occurred */
|
|
ptAlreadyStarted, /* cannot start timer because it is already started */
|
|
ptAlreadyStopped, /* cannot stop timer because it is already stopped */
|
|
ptInsufficientMemory /* memory could not be allocated */
|
|
} PtError;
|
|
|
|
|
|
typedef int32_t PtTimestamp;
|
|
|
|
typedef void (PtCallback)( PtTimestamp timestamp, void *userData );
|
|
|
|
/*
|
|
Pt_Start() starts a real-time service.
|
|
|
|
resolution is the timer resolution in ms. The time will advance every
|
|
resolution ms.
|
|
|
|
callback is a function pointer to be called every resolution ms.
|
|
|
|
userData is passed to callback as a parameter.
|
|
|
|
return value:
|
|
Upon success, returns ptNoError. See PtError for other values.
|
|
*/
|
|
PMEXPORT PtError Pt_Start(int resolution, PtCallback *callback, void *userData);
|
|
|
|
/*
|
|
Pt_Stop() stops the timer.
|
|
|
|
return value:
|
|
Upon success, returns ptNoError. See PtError for other values.
|
|
*/
|
|
PMEXPORT PtError Pt_Stop();
|
|
|
|
/*
|
|
Pt_Started() returns true iff the timer is running.
|
|
*/
|
|
PMEXPORT int Pt_Started();
|
|
|
|
/*
|
|
Pt_Time() returns the current time in ms.
|
|
*/
|
|
PMEXPORT PtTimestamp Pt_Time();
|
|
|
|
/*
|
|
Pt_Sleep() pauses, allowing other threads to run.
|
|
|
|
duration is the length of the pause in ms. The true duration
|
|
of the pause may be rounded to the nearest or next clock tick
|
|
as determined by resolution in Pt_Start().
|
|
*/
|
|
PMEXPORT void Pt_Sleep(int32_t duration);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|