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61ec970d PH |
1 | /* $Cambridge: exim/src/OS/os.c-OSF1,v 1.1 2004/10/06 15:07:39 ph10 Exp $ */ |
2 | ||
3 | /************************************************* | |
4 | * Exim - an Internet mail transport agent * | |
5 | *************************************************/ | |
6 | ||
7 | /* Copyright (c) University of Cambridge 2001 */ | |
8 | /* See the file NOTICE for conditions of use and distribution. */ | |
9 | ||
10 | /* OSF1-specific code. This is concatenated onto the generic src/os.c file. | |
11 | OSF1 has an apparently unique way of getting the load average, so we provide a | |
12 | unique function here, and define OS_LOAD_AVERAGE to stop src/os.c trying to | |
13 | provide the function. The macro may be set initially anyway, when compiling os. | |
14 | for utilities that don't want this function. */ | |
15 | ||
16 | #ifndef OS_LOAD_AVERAGE | |
17 | #define OS_LOAD_AVERAGE | |
18 | ||
19 | #include <sys/table.h> | |
20 | ||
21 | int | |
22 | os_getloadavg(void) | |
23 | { | |
24 | double avg; | |
25 | struct tbl_loadavg load_avg; | |
26 | ||
27 | table (TBL_LOADAVG, 0, &load_avg, 1, sizeof (load_avg)); | |
28 | ||
29 | avg = (load_avg.tl_lscale == 0)? | |
30 | load_avg.tl_avenrun.d[0] : | |
31 | (load_avg.tl_avenrun.l[0] / (double)load_avg.tl_lscale); | |
32 | ||
33 | return (int)(avg * 1000.0); | |
34 | } | |
35 | ||
36 | #endif /* OS_LOAD_AVERAGE */ | |
37 | ||
38 | /* End of os.c-OSF1 */ |