From: thib <thib>
Date: Tue, 5 Jun 2001 10:18:16 +0000 (+0000)
Subject: added support of kstat for getloadavg under Solaris
X-Git-Tag: ver1564~247
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7dfb366431422ced02cffc459df4482e0984f35f;p=fcron

added support of kstat for getloadavg under Solaris
---

diff --git a/config.h.in b/config.h.in
index 9e45de4..2977d6f 100644
--- a/config.h.in
+++ b/config.h.in
@@ -21,7 +21,7 @@
  *  `LICENSE' that comes with the fcron source distribution.
  */
 
- /* $Id: config.h.in,v 1.30 2001-06-03 10:59:09 thib Exp $ */
+ /* $Id: config.h.in,v 1.31 2001-06-05 10:18:16 thib Exp $ */
 
 
 /* *********************************************************** */
@@ -195,18 +195,18 @@
 /* Define on System V Release 4.  */
 #undef SVR4
 
+/* Define if you have the flock function.  */
+#undef HAVE_FLOCK
+
+/* Define if you have the lockf function.  */
+#undef HAVE_LOCKF
+
 /* Define if your system has its own `getloadavg' function.  */
 #undef HAVE_GETLOADAVG
 
 /* Define if the `getloadavg' function needs to be run setuid or setgid.  */
 #undef GETLOADAVG_PRIVILEGED
 
-/* Define if you have the strftime function.  */
-#undef HAVE_STRFTIME
-
-/* Define if you have the wait3 system call.  */
-#undef HAVE_WAIT3
-
 /* Define if you have the getcwd function.  */
 #undef HAVE_GETCWD
 
@@ -216,11 +216,8 @@
 /* Define if you have the gettimeofday function.  */
 #undef HAVE_GETTIMEOFDAY
 
-/* Define if you have the flock function.  */
-#undef HAVE_FLOCK
-
-/* Define if you have the lockf function.  */
-#undef HAVE_LOCKF
+/* Define if you have the kstat* functions.  */
+#undef HAVE_KSTAT
 
 /* Define if you have the mkstemp function.  */
 #undef HAVE_MKSTEMP
@@ -243,6 +240,12 @@
 /* Define if you have the strerror function.  */
 #undef HAVE_STRERROR
 
+/* Define if you have the strftime function.  */
+#undef HAVE_STRFTIME
+
+/* Define if you have the wait3 system call.  */
+#undef HAVE_WAIT3
+
 /* Define if you have the ANSI C header files.  */
 #undef STDC_HEADERS
 
diff --git a/getloadavg.c b/getloadavg.c
index 7af3334..7f056c8 100644
--- a/getloadavg.c
+++ b/getloadavg.c
@@ -22,12 +22,65 @@
 
 #define _POSIX_SOURCE 1
 
+
 /* Local headers */
 
 #include "getloadavg.h"
 
 /* Global functions */
 
+#ifdef HAVE_KSTAT
+
+#include <kstat.h>
+
+/* Copyright 2000-2001 Thomas Whateley <Thomas_Whateley@health.qld.gov.au> */
+int
+getloadavg(double *result, int n)
+/* return the current load average as a floating point number,
+ * the number of load averages read, or <0 for error
+ */
+{
+        kstat_ctl_t    *kc;
+        kstat_t        *ksp;
+        kstat_named_t  *knm;
+        kstat_named_t  knm_buf[20];
+        int            cnt;
+        int            ret;
+
+        if ( n != 3) {
+            return -1;
+        }
+
+        ret = 0;
+
+        kc = kstat_open();
+        for (ksp = kc->kc_chain; ksp != NULL; ksp = ksp->ks_next) {
+            if (strcmp(ksp->ks_name, "system_misc") == 0) {
+                kstat_read(kc, ksp, &knm_buf);
+                for (cnt=0; cnt<ksp->ks_ndata; cnt++) {
+                    knm=&knm_buf[cnt];
+                    if (strcmp(knm->name,"avenrun_1min") == 0)  {
+                        result[0] = knm->value.ui32 / 256.0;
+                        ret++;
+		    }
+		    else if (strcmp(knm->name,"avenrun_5min") == 0)  {
+                        result[1] = knm->value.ui32 / 256.0;
+                        ret++;
+                    }
+		    else if (strcmp(knm->name,"avenrun_15min") == 0)  {
+                        result[2] = knm->value.ui32 / 256.0;
+                        ret++;
+                    }
+                }
+            }
+        }
+        kstat_close(kc);
+
+        return ret;
+}
+
+#else /* def HAVE_KSTAT */
+
 int
 getloadavg(double *result, int n)
 /* return the current load average as a floating point number,
@@ -56,3 +109,5 @@ getloadavg(double *result, int n)
     fclose(fp);
     return (i<0) ? i : i;
 }
+
+#endif /* def HAVE_KSTAT */