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(getloadavg): Add new code for SUNOS_5 to use -lkstat.

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Richard M. Stallman 1996-09-10 19:50:17 +00:00
parent e2da48ca55
commit 5206d3f2bc
1 changed files with 45 additions and 0 deletions
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45
getloadavg.c
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@ -391,6 +391,7 @@ extern int errno;
#ifdef SUNOS_5 #ifdef SUNOS_5
#include <fcntl.h> #include <fcntl.h>
#include <kvm.h> #include <kvm.h>
#include <kstat.h>
#endif #endif
#ifndef KERNEL_FILE #ifndef KERNEL_FILE
@ -516,6 +517,50 @@ getloadavg (loadavg, nelem)
elem = -1; elem = -1;
#endif #endif
#if !defined (LDAV_DONE) && defined (SUNOS_5)
/* Use libkstat because we don't have to be root. */
#define LDAV_DONE
kstat_ctl_t *kc;
kstat_t *ksp;
kstat_named_t *kn;
kc = kstat_open ();
if (kc == 0) return -1;
ksp = kstat_lookup (kc, "unix", 0, "system_misc");
if (ksp == 0 ) return -1;
if (kstat_read (kc, ksp, 0) == -1) return -1;
kn = kstat_data_lookup (ksp, "avenrun_1min");
if (kn == 0)
{
/* Return -1 if no load average information is available. */
nelem = 0;
elem = -1;
}
if (nelem >= 1)
loadavg[elem++] = (double) kn->value.ul/FSCALE;
if (nelem >= 2)
{
kn = kstat_data_lookup (ksp, "avenrun_5min");
if (kn != 0)
{
loadavg[elem++] = (double) kn->value.ul/FSCALE;
if (nelem >= 3)
{
kn = kstat_data_lookup (ksp, "avenrun_15min");
if (kn != 0)
loadavg[elem++] = (double) kn->value.ul/FSCALE;
}
}
}
kstat_close (kc);
#endif /* SUNOS_5 */
#if !defined (LDAV_DONE) && defined (__linux__) #if !defined (LDAV_DONE) && defined (__linux__)
#define LDAV_DONE #define LDAV_DONE
#undef LOAD_AVE_TYPE #undef LOAD_AVE_TYPE