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Replace with FSF version.

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This commit is contained in:
Jim Meyering
1996-09-19 12:54:15 +00:00
parent d1320b7277
commit e044081627
1 changed files with 53 additions and 6 deletions
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59
lib/getloadavg.c
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@@ -43,6 +43,7 @@
DGUX
eunice UNIX emulator under VMS.
hpux
MSDOS No-op for MSDOS.
NeXT
sgi
sequent Sequent Dynix 3.x.x (BSD)
@@ -51,6 +52,7 @@
UMAX
UMAX4_3
VMS
WIN32 No-op for Windows95/NT.
__linux__ Linux: assumes /proc filesystem mounted.
Support from Michael K. Johnson.
__NetBSD__ NetBSD: assumes /kern filesystem mounted.
@@ -139,7 +141,7 @@ extern int errno;
#define decstation
#endif
#if (defined(sun) || defined(__sun)) && defined(SVR4)
#if (defined(sun) && defined(SVR4)) || defined (SOLARIS2)
#define SUNOS_5
#endif
@@ -168,7 +170,7 @@ extern int errno;
#define LOAD_AVE_TYPE long
#endif
#if defined(sun) || defined(__sun)
#ifdef sun
#define LOAD_AVE_TYPE long
#endif
@@ -284,7 +286,7 @@ extern int errno;
#define NLIST_STRUCT
#endif
#if defined(sun) || defined(__sun)
#ifdef sun
#define NLIST_STRUCT
#endif
@@ -389,6 +391,7 @@ extern int errno;
#ifdef SUNOS_5
#include <fcntl.h>
#include <kvm.h>
#include <kstat.h>
#endif
#ifndef KERNEL_FILE
@@ -514,6 +517,50 @@ getloadavg (loadavg, nelem)
elem = -1;
#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__)
#define LDAV_DONE
#undef LOAD_AVE_TYPE
@@ -733,11 +780,11 @@ getloadavg (loadavg, nelem)
: (load_ave.tl_avenrun.l[0] / (double) load_ave.tl_lscale));
#endif /* OSF_MIPS */
#if !defined (LDAV_DONE) && defined(MSDOS)
#if !defined (LDAV_DONE) && (defined (MSDOS) || defined (WIN32))
#define LDAV_DONE
/* A faithful emulation is going to have to be saved for a rainy day. */
for ( ; elem < nelem; elem++)
for ( ; elem < nelem; elem++)
{
loadavg[elem] = 0.0;
}
@@ -866,7 +913,7 @@ getloadavg (loadavg, nelem)
/* We pass 0 for the kernel, corefile, and swapfile names
to use the currently running kernel. */
kd = kvm_open (0, 0, 0, O_RDONLY, 0);
if (kd != 0)
if (kd != 0)
{
/* nlist the currently running kernel. */
kvm_nlist (kd, nl);