projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 59cb1e5a | 1 | /* times.c 4.2 83/06/02 */ |
| 9af2a874 SL |
2 | |
| 3 | #include <sys/time.h> | |
| 4 | #include <sys/resource.h> | |
| 5 | ||
| 6 | /* | |
| 7 | * Backwards compatible times. | |
| 8 | */ | |
| 9 | struct tms { | |
| 10 | int tms_utime; /* user time */ | |
| 11 | int tms_stime; /* system time */ | |
| 12 | int tms_cutime; /* user time, children */ | |
| 13 | int tms_cstime; /* system time, children */ | |
| 14 | }; | |
| 15 | ||
| 16 | times(tmsp) | |
| 59cb1e5a | 17 | register struct tms *tmsp; |
| 9af2a874 SL |
18 | { |
| 19 | struct rusage ru; | |
| 20 | ||
| 21 | if (getrusage(RUSAGE_SELF, &ru) < 0) | |
| 22 | return (-1); | |
| 59cb1e5a | 23 | tmsp->tms_utime = scale60(&ru.ru_utime); |
| 9af2a874 SL |
24 | tmsp->tms_stime = scale60(&ru.ru_stime); |
| 25 | if (getrusage(RUSAGE_CHILDREN, &ru) < 0) | |
| 26 | return (-1); | |
| 27 | tmsp->tms_cutime = scale60(&ru.ru_utime); | |
| 28 | tmsp->tms_cstime = scale60(&ru.ru_stime); | |
| 29 | return (0); | |
| 30 | } | |
| 31 | ||
| 32 | static | |
| 33 | scale60(tvp) | |
| 34 | register struct timeval *tvp; | |
| 35 | { | |
| 36 | ||
| 37 | return (tvp->tv_sec * 60 + tvp->tv_usec / 16667); | |
| 38 | } |