| 1 | #include <sys/time.h> |
| 2 | #include "ticks.h" |
| 3 | |
| 4 | /* this file is specific to a UNIX system */ |
| 5 | |
| 6 | /// ***** Public Methods ***** |
| 7 | |
| 8 | // returns the current microseconds from unix time |
| 9 | long int tickCountMicro() |
| 10 | { |
| 11 | struct timeval tv; |
| 12 | gettimeofday(&tv, 0); |
| 13 | |
| 14 | return (long int)tv.tv_sec * 1000000 + tv.tv_usec; |
| 15 | } |
| 16 | |
| 17 | // returns the current milliseconds from unix time |
| 18 | long int tickCountMilli() |
| 19 | { |
| 20 | return tickCountMicro() / 1000; |
| 21 | } |
| 22 | |
| 23 | // returns the current seconds from unix time |
| 24 | long int tickCountSec() |
| 25 | { |
| 26 | return tickCountMicro() / 1000000; |
| 27 | } |
| 28 | |
| 29 | // return after num milliseconds |
| 30 | void wait(int num) |
| 31 | { |
| 32 | long int start; |
| 33 | int numMicro = num * 1000; |
| 34 | |
| 35 | start = tickCountMicro(); |
| 36 | while(tickCountMicro() - start < numMicro); |
| 37 | } |
| 38 | |