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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 | } |