projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| bb0cfa24 DF |
1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | */ | |
| 6 | ||
| 2ce81398 DS |
7 | #if defined(LIBC_SCCS) && !defined(lint) |
| 8 | static char sccsid[] = "@(#)times.c 5.2 (Berkeley) %G%"; | |
| 9 | #endif LIBC_SCCS and not lint | |
| 9af2a874 SL |
10 | |
| 11 | #include <sys/time.h> | |
| 12 | #include <sys/resource.h> | |
| 13 | ||
| 14 | /* | |
| 15 | * Backwards compatible times. | |
| 16 | */ | |
| 17 | struct tms { | |
| 18 | int tms_utime; /* user time */ | |
| 19 | int tms_stime; /* system time */ | |
| 20 | int tms_cutime; /* user time, children */ | |
| 21 | int tms_cstime; /* system time, children */ | |
| 22 | }; | |
| 23 | ||
| 24 | times(tmsp) | |
| 59cb1e5a | 25 | register struct tms *tmsp; |
| 9af2a874 SL |
26 | { |
| 27 | struct rusage ru; | |
| 28 | ||
| 29 | if (getrusage(RUSAGE_SELF, &ru) < 0) | |
| 30 | return (-1); | |
| 59cb1e5a | 31 | tmsp->tms_utime = scale60(&ru.ru_utime); |
| 9af2a874 SL |
32 | tmsp->tms_stime = scale60(&ru.ru_stime); |
| 33 | if (getrusage(RUSAGE_CHILDREN, &ru) < 0) | |
| 34 | return (-1); | |
| 35 | tmsp->tms_cutime = scale60(&ru.ru_utime); | |
| 36 | tmsp->tms_cstime = scale60(&ru.ru_stime); | |
| 37 | return (0); | |
| 38 | } | |
| 39 | ||
| 40 | static | |
| 41 | scale60(tvp) | |
| 42 | register struct timeval *tvp; | |
| 43 | { | |
| 44 | ||
| 45 | return (tvp->tv_sec * 60 + tvp->tv_usec / 16667); | |
| 46 | } |