update.

[chise/xemacs-chise.git.1] / src / getloadavg.c

diff --git a/src/getloadavg.c b/src/getloadavg.c
index 98de5bb..4a41be8 100644 (file)
--- a/src/getloadavg.c
+++ b/src/getloadavg.c
@@ -44,7 +44,6 @@ Boston, MA 02111-1307, USA.  */
    convex
    DGUX
    hpux
-   MSDOS                       No-op for MSDOS.
    NeXT
    sgi
    sequent                     Sequent Dynix 3.x.x (BSD)
@@ -52,7 +51,8 @@ Boston, MA 02111-1307, USA.  */
    sony_news                    NEWS-OS (works at least for 4.1C)
    UMAX
    UMAX4_3
-   WIN32                       No-op for Windows95/NT.
+   WIN32_NATIVE                        No-op for Windows9x/NT.
+   CYGWIN                      No-op for Cygwin.
    __linux__                   Linux: assumes /proc filesystem mounted.
                                Support from Michael K. Johnson.
    __NetBSD__                  NetBSD: assumes /kern filesystem mounted.
@@ -69,30 +69,8 @@ Boston, MA 02111-1307, USA.  */
 #include <config.h>
 #endif
 
-#ifndef WINDOWSNT
-#ifndef __CYGWIN32__
-
-#include <sys/types.h>
-
-/* Both the Emacs and non-Emacs sections want this.  Some
-   configuration files' definitions for the LOAD_AVE_CVT macro (like
-   sparc.h's) use macros like FSCALE, defined here.  */
-#ifdef unix
-#include <sys/param.h>
-#endif
-
-#ifdef XEMACS
 #include "lisp.h"
 #include "sysfile.h" /* for encapsulated open, close, read, write */
-#endif /* XEMACS */
-
-/* Exclude all the code except the test program at the end
-   if the system has its own `getloadavg' function.
-
-   The declaration of `errno' is needed by the test program
-   as well as the function itself, so it comes first.  */
-
-#include <errno.h>
 
 #ifndef HAVE_GETLOADAVG
 
@@ -110,11 +88,9 @@ Boston, MA 02111-1307, USA.  */
 #define LDAV_CVT(n) (LOAD_AVE_CVT (n) / 100.0)
 #endif
 
-#ifdef XEMACS
 #if defined (HAVE_KSTAT_H)
 #include <kstat.h>
 #endif /* HAVE_KSTAT_H */
-#endif /* XEMACS */
 
 #if !defined (BSD) && defined (ultrix)
 /* Ultrix behaves like BSD on Vaxen.  */
@@ -457,17 +433,10 @@ Boston, MA 02111-1307, USA.  */
 #include <sys/dg_sys_info.h>
 #endif
 
-#ifdef XEMACS
 #if defined (HAVE_SYS_PSTAT_H)
 #include <sys/pstat.h>
 #endif /* HAVE_SYS_PSTAT_H (on HPUX) */
-#endif /* XEMACS */
 
-#if defined(HAVE_FCNTL_H) || defined(_POSIX_VERSION)
-#include <fcntl.h>
-#else
-#include <sys/file.h>
-#endif
 \f
 /* Avoid static vars inside a function since in HPUX they dump as pure.  */
 
@@ -512,6 +481,8 @@ static kvm_t *kd;
    Return the number written (never more than 3, but may be less than NELEM),
    or -1 if an error occurred.  */
 
+int getloadavg (double loadavg[], int nelem);
+
 int
 getloadavg (double loadavg[], int nelem)
 {
@@ -768,31 +739,6 @@ getloadavg (double loadavg[], int nelem)
     loadavg[elem++] = load_info.fifteen_minute;
 #endif /* DGUX */
 
-#if !defined (LDAV_DONE) && defined (apollo)
-#define LDAV_DONE
-/* Apollo code from lisch@mentorg.com (Ray Lischner).
-
-   This system call is not documented.  The load average is obtained as
-   three long integers, for the load average over the past minute,
-   five minutes, and fifteen minutes.  Each value is a scaled integer,
-   with 16 bits of integer part and 16 bits of fraction part.
-
-   I'm not sure which operating system first supported this system call,
-   but I know that SR10.2 supports it.  */
-
-  extern void proc1_$get_loadav ();
-  unsigned long load_ave[3];
-
-  proc1_$get_loadav (load_ave);
-
-  if (nelem > 0)
-    loadavg[elem++] = load_ave[0] / 65536.0;
-  if (nelem > 1)
-    loadavg[elem++] = load_ave[1] / 65536.0;
-  if (nelem > 2)
-    loadavg[elem++] = load_ave[2] / 65536.0;
-#endif /* apollo */
-
 #if !defined (LDAV_DONE) && defined (OSF_MIPS)
 #define LDAV_DONE
 
@@ -804,7 +750,7 @@ getloadavg (double loadavg[], int nelem)
        : (load_ave.tl_avenrun.l[0] / (double) load_ave.tl_lscale));
 #endif /* OSF_MIPS */
 
-#if !defined (LDAV_DONE) && (defined (MSDOS) || defined (WIN32))
+#if !defined (LDAV_DONE) && (defined (WIN32_NATIVE) || defined (CYGWIN))
 #define LDAV_DONE
 
   /* A faithful emulation is going to have to be saved for a rainy day.  */
@@ -812,7 +758,7 @@ getloadavg (double loadavg[], int nelem)
     {
       loadavg[elem] = 0.0;
     }
-#endif  /* MSDOS */
+#endif  /* WIN32_NATIVE or CYGWIN */
 
 #if !defined (LDAV_DONE) && defined (OSF_ALPHA)
 #define LDAV_DONE
@@ -985,22 +931,3 @@ main (int argc, char **argv)
   exit (0);
 }
 #endif /* TEST */
-
-#else
-
-/* Emulate getloadavg.  */
-int
-getloadavg (double loadavg[], int nelem)
-{
-  int i;
-
-  /* A faithful emulation is going to have to be saved for a rainy day.  */
-  for (i = 0; i < nelem; i++) 
-    {
-      loadavg[i] = 0.0;
-    }
-  return i;
-}
-
-#endif /*__GNUWIN32__*/
-#endif /* WINDOWSNT */