porttime.h

Go to the documentation of this file.

 
/* 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);
 
PMEXPORT PtError Pt_Start(int resolution, PtCallback *callback, void *userData);
 
PMEXPORT PtError Pt_Stop(void);
 
PMEXPORT int Pt_Started(void);
 
PMEXPORT PtTimestamp Pt_Time(void);
 
PMEXPORT void Pt_Sleep(int32_t duration);
 
#ifdef __cplusplus
}
#endif