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Roland McGrath 1993-10-03 19:33:04 +00:00
parent cc5be7c0cd
commit 492f92b9ec
1 changed files with 30 additions and 0 deletions
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30
getloadavg.c
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@ -51,6 +51,7 @@
VMS VMS
__linux__ Linux: assumes /proc filesystem mounted. __linux__ Linux: assumes /proc filesystem mounted.
Support from Michael K. Johnson. Support from Michael K. Johnson.
__NetBSD__ NetBSD: assumes /kern filesystem mounted.
In addition, to avoid nesting many #ifdefs, we internally set In addition, to avoid nesting many #ifdefs, we internally set
LDAV_DONE to indicate that the load average has been computed. LDAV_DONE to indicate that the load average has been computed.
@ -511,6 +512,35 @@ getloadavg (loadavg, nelem)
#endif /* __linux__ */ #endif /* __linux__ */
#if !defined (LDAV_DONE) && defined (__NetBSD__)
#define LDAV_DONE
#undef LOAD_AVE_TYPE
#ifndef NETBSD_LDAV_FILE
#define NETBSD_LDAV_FILE "/kern/loadavg"
#endif
unsigned long int load_ave[3], scale;
int count;
FILE *fp;
fp = fopen (LINUX_LDAV_FILE, "r");
if (fp == NULL)
return -1;
count = fscanf (fp, "%lu %lu %lu %lu\n",
&load_ave[0], &load_ave[1], &load_ave[2],
&scale);
(void) fclose (fp);
if (count != 4)
return -1;
for (elem = 0; elem < nelem; elem++)
loadavg[elem] = (double) load_ave[elem] / (double) scale;
return elem;
#endif /* __NetBSD__ */
#if !defined (LDAV_DONE) && defined (NeXT) #if !defined (LDAV_DONE) && defined (NeXT)
#define LDAV_DONE #define LDAV_DONE
/* The NeXT code was adapted from iscreen 3.2. */ /* The NeXT code was adapted from iscreen 3.2. */