1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859 |
- //| Copyright: (C) 2009-2020 Kevin Larke <contact AT larke DOT org>
- //| License: GNU GPL version 3.0 or above. See the accompanying LICENSE file.
-
- //( { file_desc:"Time cand clock related functions." kw: [ time system ] }
- //
- //
- // This interface is used to read the systems high resolution timer and
- // calculate elapsed time.
- //)
-
-
- #ifndef cmTime_h
- #define cmTime_h
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- //(
- typedef struct timespec cmTimeSpec_t;
-
- // Get the time
- void cmTimeGet( cmTimeSpec_t* t );
-
- // Return the elapsed time (t1 - t0) in microseconds
- // t1 is assumed to be at a later time than t0.
- unsigned cmTimeElapsedMicros( const cmTimeSpec_t* t0, const cmTimeSpec_t* t1 );
-
-
- // Same as cmTimeElapsedMicros() but the times are not assumed to be ordered.
- // The function therefore begins by swapping t1 and t0 if t0 is after t1.
- unsigned cmTimeAbsElapsedMicros( const cmTimeSpec_t* t0, const cmTimeSpec_t* t1 );
-
-
- // Same as cmTimeElapsedMicros() but returns a negative value if t0 is after t1.
- int cmTimeDiffMicros( const cmTimeSpec_t* t0, const cmTimeSpec_t* t1 );
-
-
- // Returns true if t0 <= t1.
- bool cmTimeIsLTE( const cmTimeSpec_t* t0, const cmTimeSpec_t* t1 );
-
- // Return true if t0 >= t1.
- bool cmTimeIsGTE( const cmTimeSpec_t* t0, const cmTimeSpec_t* t1 );
-
- bool cmTimeIsEqual( const cmTimeSpec_t* t0, const cmTimeSpec_t* t1 );
-
- bool cmTimeIsZero( const cmTimeSpec_t* t0 );
-
- void cmTimeSetZero( cmTimeSpec_t* t0 );
-
- //)
-
- #ifdef __cplusplus
- }
- #endif
-
-
- #endif
|