| plan 9 kernel history: overview | file list | diff list |
1991/0808/pc/mem.h (diff list | history)
| 1991/0807/sys/src/9/pc/mem.h:18,24 – 1991/0808/sys/src/9/pc/mem.h:18,24 (short | long | prev | next) | ||
| 1991/0613 | /* | |
| 1991/0705 | * Time | |
| 1991/0613 | */ | |
| 1991/0807 |
| |
| 1991/0808 | #define HZ (20) /* clock frequency */ | |
| 1991/0709 | #define MS2HZ (1000/HZ) /* millisec per clock tick */ #define TK2SEC(t) ((t)/HZ) /* ticks to seconds */ #define TK2MS(t) ((((ulong)(t))*1000)/HZ) /* ticks to milliseconds */ | |