[hpux && HAVE_PSTAT_GETDYNAMIC]: Use HPUX's pstat_getdynamic so

we don't need any special privileges to determine load averages.
Patch from Kaveh Ghazi, based on a sample implementation from
Richard J. Rauenzahn.
Indent cpp-directives to reflect nesting.

1 files changed, 409 insertions, 379 deletions

diff --git a/getloadavg.c b/getloadavg.c
index 6209fef..635e5ac 100644
--- a/getloadavg.c
+++ b/getloadavg.c
@@ -65,7 +65,7 @@
 
 /* This should always be first.  */
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+# include <config.h>
 #endif
 
 #include <sys/types.h>
@@ -74,7 +74,7 @@
    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>
+# include <sys/param.h>
 #endif
 
 
@@ -103,25 +103,25 @@ extern int errno;
    LOAD_AVE_CVT, but future machine config files should just define
    LDAV_CVT directly.  */
 
-#if !defined(LDAV_CVT) && defined(LOAD_AVE_CVT)
-#define LDAV_CVT(n) (LOAD_AVE_CVT (n) / 100.0)
-#endif
+# if !defined(LDAV_CVT) && defined(LOAD_AVE_CVT)
+#  define LDAV_CVT(n) (LOAD_AVE_CVT (n) / 100.0)
+# endif
 
-#if !defined (BSD) && defined (ultrix)
+# if !defined (BSD) && defined (ultrix)
 /* Ultrix behaves like BSD on Vaxen.  */
-#define BSD
-#endif
+#  define BSD
+# endif
 
-#ifdef NeXT
+# ifdef NeXT
 /* NeXT in the 2.{0,1,2} releases defines BSD in <sys/param.h>, which
    conflicts with the definition understood in this file, that this
    really is BSD. */
-#undef BSD
+#  undef BSD
 
 /* NeXT defines FSCALE in <sys/param.h>.  However, we take FSCALE being
    defined to mean that the nlist method should be used, which is not true.  */
-#undef FSCALE
-#endif
+#  undef FSCALE
+# endif
 
 /* Set values that are different from the defaults, which are
    set a little farther down with #ifndef.  */
@@ -129,365 +129,375 @@ extern int errno;
 
 /* Some shorthands.  */
 
-#if defined (HPUX) && !defined (hpux)
-#define hpux
-#endif
+# if defined (HPUX) && !defined (hpux)
+#  define hpux
+# endif
 
-#if defined (__hpux) && !defined (hpux)
-#define hpux
-#endif
+# if defined (__hpux) && !defined (hpux)
+#  define hpux
+# endif
 
-#if defined (__sun) && !defined (sun)
-#define sun
-#endif
+# if defined (__sun) && !defined (sun)
+#  define sun
+# endif
 
-#if defined(hp300) && !defined(hpux)
-#define MORE_BSD
-#endif
+# if defined(hp300) && !defined(hpux)
+#  define MORE_BSD
+# endif
 
-#if defined(ultrix) && defined(mips)
-#define decstation
-#endif
+# if defined(ultrix) && defined(mips)
+#  define decstation
+# endif
 
-#if (defined(sun) && defined(SVR4)) || defined (SOLARIS2)
-#define SUNOS_5
-#endif
+# if defined (__SVR4) && !defined (SVR4)
+#  define SVR4
+# endif
 
-#if defined (__osf__) && (defined (__alpha) || defined (__alpha__))
-#define OSF_ALPHA
-#include <sys/table.h>
-#endif
+# if (defined(sun) && defined(SVR4)) || defined (SOLARIS2)
+#  define SUNOS_5
+# endif
 
-#if defined (__osf__) && (defined (mips) || defined (__mips__))
-#define OSF_MIPS
-#include <sys/table.h>
-#endif
+# if defined (__osf__) && (defined (__alpha) || defined (__alpha__))
+#  define OSF_ALPHA
+#  include <sys/table.h>
+# endif
+
+# if defined (__osf__) && (defined (mips) || defined (__mips__))
+#  define OSF_MIPS
+#  include <sys/table.h>
+# endif
 
 /* UTek's /bin/cc on the 4300 has no architecture specific cpp define by
    default, but _MACH_IND_SYS_TYPES is defined in <sys/types.h>.  Combine
    that with a couple of other things and we'll have a unique match.  */
-#if !defined (tek4300) && defined (unix) && defined (m68k) && defined (mc68000) && defined (mc68020) && defined (_MACH_IND_SYS_TYPES)
-#define tek4300			/* Define by emacs, but not by other users.  */
-#endif
+# if !defined (tek4300) && defined (unix) && defined (m68k) && defined (mc68000) && defined (mc68020) && defined (_MACH_IND_SYS_TYPES)
+#  define tek4300			/* Define by emacs, but not by other users.  */
+# endif
 
 
 /* VAX C can't handle multi-line #ifs, or lines longer than 256 chars.  */
-#ifndef LOAD_AVE_TYPE
+# ifndef LOAD_AVE_TYPE
 
-#ifdef MORE_BSD
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef MORE_BSD
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef sun
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef sun
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef decstation
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef decstation
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef _SEQUENT_
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef _SEQUENT_
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef sgi
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef sgi
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef SVR4
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef SVR4
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef sony_news
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef sony_news
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef sequent
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef sequent
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef OSF_ALPHA
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef OSF_ALPHA
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#if defined (ardent) && defined (titan)
-#define LOAD_AVE_TYPE long
-#endif
+#  if defined (ardent) && defined (titan)
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef tek4300
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef tek4300
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#if defined(alliant) && defined(i860) /* Alliant FX/2800 */
-#define LOAD_AVE_TYPE long
-#endif
+#  if defined(alliant) && defined(i860) /* Alliant FX/2800 */
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef _AIX
-#define LOAD_AVE_TYPE long
-#endif
+#  ifdef _AIX
+#   define LOAD_AVE_TYPE long
+#  endif
 
-#ifdef convex
-#define LOAD_AVE_TYPE double
-#ifndef LDAV_CVT
-#define LDAV_CVT(n) (n)
-#endif
-#endif
+#  ifdef convex
+#   define LOAD_AVE_TYPE double
+#   ifndef LDAV_CVT
+#    define LDAV_CVT(n) (n)
+#   endif
+#  endif
 
-#endif /* No LOAD_AVE_TYPE.  */
+# endif /* No LOAD_AVE_TYPE.  */
 
-#ifdef OSF_ALPHA
+# ifdef OSF_ALPHA
 /* <sys/param.h> defines an incorrect value for FSCALE on Alpha OSF/1,
    according to ghazi@noc.rutgers.edu.  */
-#undef FSCALE
-#define FSCALE 1024.0
-#endif
+#  undef FSCALE
+#  define FSCALE 1024.0
+# endif
 
-#if defined(alliant) && defined(i860) /* Alliant FX/2800 */
+# if defined(alliant) && defined(i860) /* Alliant FX/2800 */
 /* <sys/param.h> defines an incorrect value for FSCALE on an
    Alliant FX/2800 Concentrix 2.2, according to ghazi@noc.rutgers.edu.  */
-#undef FSCALE
-#define FSCALE 100.0
-#endif
+#  undef FSCALE
+#  define FSCALE 100.0
+# endif
 
 
-#ifndef	FSCALE
+# ifndef	FSCALE
 
 /* SunOS and some others define FSCALE in sys/param.h.  */
 
-#ifdef MORE_BSD
-#define FSCALE 2048.0
-#endif
+#  ifdef MORE_BSD
+#   define FSCALE 2048.0
+#  endif
 
-#if defined(MIPS) || defined(SVR4) || defined(decstation)
-#define FSCALE 256
-#endif
+#  if defined(MIPS) || defined(SVR4) || defined(decstation)
+#   define FSCALE 256
+#  endif
 
-#if defined (sgi) || defined (sequent)
+#  if defined (sgi) || defined (sequent)
 /* Sometimes both MIPS and sgi are defined, so FSCALE was just defined
    above under #ifdef MIPS.  But we want the sgi value.  */
-#undef FSCALE
-#define	FSCALE 1000.0
-#endif
+#   undef FSCALE
+#   define	FSCALE 1000.0
+#  endif
 
-#if defined (ardent) && defined (titan)
-#define FSCALE 65536.0
-#endif
+#  if defined (ardent) && defined (titan)
+#   define FSCALE 65536.0
+#  endif
 
-#ifdef tek4300
-#define FSCALE 100.0
-#endif
+#  ifdef tek4300
+#   define FSCALE 100.0
+#  endif
 
-#ifdef _AIX
-#define FSCALE 65536.0
-#endif
+#  ifdef _AIX
+#   define FSCALE 65536.0
+#  endif
 
-#endif	/* Not FSCALE.  */
+# endif	/* Not FSCALE.  */
 
-#if !defined (LDAV_CVT) && defined (FSCALE)
-#define	LDAV_CVT(n) (((double) (n)) / FSCALE)
-#endif
+# if !defined (LDAV_CVT) && defined (FSCALE)
+#  define	LDAV_CVT(n) (((double) (n)) / FSCALE)
+# endif
 
 /* VAX C can't handle multi-line #ifs, or lines longer that 256 characters.  */
-#ifndef NLIST_STRUCT
+# ifndef NLIST_STRUCT
 
-#ifdef MORE_BSD
-#define NLIST_STRUCT
-#endif
+#  ifdef MORE_BSD
+#   define NLIST_STRUCT
+#  endif
 
-#ifdef sun
-#define NLIST_STRUCT
-#endif
+#  ifdef sun
+#   define NLIST_STRUCT
+#  endif
 
-#ifdef decstation
-#define NLIST_STRUCT
-#endif
+#  ifdef decstation
+#   define NLIST_STRUCT
+#  endif
 
-#ifdef hpux
-#define NLIST_STRUCT
-#endif
+#  ifdef hpux
+#   define NLIST_STRUCT
+#  endif
 
-#if defined (_SEQUENT_) || defined (sequent)
-#define NLIST_STRUCT
-#endif
+#  if defined (_SEQUENT_) || defined (sequent)
+#   define NLIST_STRUCT
+#  endif
 
-#ifdef sgi
-#define NLIST_STRUCT
-#endif
+#  ifdef sgi
+#   define NLIST_STRUCT
+#  endif
 
-#ifdef SVR4
-#define NLIST_STRUCT
-#endif
+#  ifdef SVR4
+#   define NLIST_STRUCT
+#  endif
 
-#ifdef sony_news
-#define NLIST_STRUCT
-#endif
+#  ifdef sony_news
+#   define NLIST_STRUCT
+#  endif
 
-#ifdef OSF_ALPHA
-#define NLIST_STRUCT
-#endif
+#  ifdef OSF_ALPHA
+#   define NLIST_STRUCT
+#  endif
 
-#if defined (ardent) && defined (titan)
-#define NLIST_STRUCT
-#endif
+#  if defined (ardent) && defined (titan)
+#   define NLIST_STRUCT
+#  endif
 
-#ifdef tek4300
-#define NLIST_STRUCT
-#endif
+#  ifdef tek4300
+#   define NLIST_STRUCT
+#  endif
 
-#ifdef butterfly
-#define NLIST_STRUCT
-#endif
+#  ifdef butterfly
+#   define NLIST_STRUCT
+#  endif
 
-#if defined(alliant) && defined(i860) /* Alliant FX/2800 */
-#define NLIST_STRUCT
-#endif
+#  if defined(alliant) && defined(i860) /* Alliant FX/2800 */
+#   define NLIST_STRUCT
+#  endif
 
-#ifdef _AIX
-#define NLIST_STRUCT
-#endif
+#  ifdef _AIX
+#   define NLIST_STRUCT
+#  endif
 
-#endif /* defined (NLIST_STRUCT) */
+# endif /* defined (NLIST_STRUCT) */
 
 
-#if defined(sgi) || (defined(mips) && !defined(BSD))
-#define FIXUP_KERNEL_SYMBOL_ADDR(nl) ((nl)[0].n_value &= ~(1 << 31))
-#endif
+# if defined(sgi) || (defined(mips) && !defined(BSD))
+#  define FIXUP_KERNEL_SYMBOL_ADDR(nl) ((nl)[0].n_value &= ~(1 << 31))
+# endif
 
 
-#if !defined (KERNEL_FILE) && defined (sequent)
-#define KERNEL_FILE "/dynix"
-#endif
+# if !defined (KERNEL_FILE) && defined (sequent)
+#  define KERNEL_FILE "/dynix"
+# endif
 
-#if !defined (KERNEL_FILE) && defined (hpux)
-#define KERNEL_FILE "/hp-ux"
-#endif
+# if !defined (KERNEL_FILE) && defined (hpux)
+#  define KERNEL_FILE "/hp-ux"
+# endif
 
-#if !defined(KERNEL_FILE) && (defined(_SEQUENT_) || defined(MIPS) || defined(SVR4) || defined(ISC) || defined (sgi) || defined(SVR4) || (defined (ardent) && defined (titan)))
-#define KERNEL_FILE "/unix"
-#endif
+# if !defined(KERNEL_FILE) && (defined(_SEQUENT_) || defined(MIPS) || defined(SVR4) || defined(ISC) || defined (sgi) || (defined (ardent) && defined (titan)))
+#  define KERNEL_FILE "/unix"
+# endif
 
 
-#if !defined (LDAV_SYMBOL) && defined (alliant)
-#define LDAV_SYMBOL "_Loadavg"
-#endif
+# if !defined (LDAV_SYMBOL) && defined (alliant)
+#  define LDAV_SYMBOL "_Loadavg"
+# endif
 
-#if !defined(LDAV_SYMBOL) && ((defined(hpux) && !defined(hp9000s300)) || defined(_SEQUENT_) || defined(SVR4) || defined(ISC) || defined(sgi) || (defined (ardent) && defined (titan)) || defined (_AIX))
-#define LDAV_SYMBOL "avenrun"
-#endif
+# if !defined(LDAV_SYMBOL) && ((defined(hpux) && !defined(hp9000s300)) || defined(_SEQUENT_) || defined(SVR4) || defined(ISC) || defined(sgi) || (defined (ardent) && defined (titan)) || defined (_AIX))
+#  define LDAV_SYMBOL "avenrun"
+# endif
 
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+# ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+# endif
 
-#include <stdio.h>
+# include <stdio.h>
 
 /* LOAD_AVE_TYPE should only get defined if we're going to use the
    nlist method.  */
-#if !defined(LOAD_AVE_TYPE) && (defined(BSD) || defined(LDAV_CVT) || defined(KERNEL_FILE) || defined(LDAV_SYMBOL))
-#define LOAD_AVE_TYPE double
-#endif
-
-#ifdef LOAD_AVE_TYPE
-
-#ifndef VMS
-#ifndef NLIST_STRUCT
-#include <a.out.h>
-#else /* NLIST_STRUCT */
-#include <nlist.h>
-#endif /* NLIST_STRUCT */
-
-#ifdef SUNOS_5
-#include <fcntl.h>
-#include <kvm.h>
-#include <kstat.h>
-#endif
-
-#ifndef KERNEL_FILE
-#define KERNEL_FILE "/vmunix"
-#endif /* KERNEL_FILE */
-
-#ifndef LDAV_SYMBOL
-#define LDAV_SYMBOL "_avenrun"
-#endif /* LDAV_SYMBOL */
-
-#else /* VMS */
-
-#ifndef eunice
-#include <iodef.h>
-#include <descrip.h>
-#else /* eunice */
-#include <vms/iodef.h>
-#endif /* eunice */
-#endif /* VMS */
-
-#ifndef LDAV_CVT
-#define LDAV_CVT(n) ((double) (n))
-#endif /* !LDAV_CVT */
-
-#endif /* LOAD_AVE_TYPE */
-
-#ifdef NeXT
-#ifdef HAVE_MACH_MACH_H
-#include <mach/mach.h>
-#else
-#include <mach.h>
-#endif
-#endif /* NeXT */
-
-#ifdef sgi
-#include <sys/sysmp.h>
-#endif /* sgi */
-
-#ifdef UMAX
-#include <stdio.h>
-#include <signal.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include <sys/syscall.h>
-
-#ifdef UMAX_43
-#include <machine/cpu.h>
-#include <inq_stats/statistics.h>
-#include <inq_stats/sysstats.h>
-#include <inq_stats/cpustats.h>
-#include <inq_stats/procstats.h>
-#else /* Not UMAX_43.  */
-#include <sys/sysdefs.h>
-#include <sys/statistics.h>
-#include <sys/sysstats.h>
-#include <sys/cpudefs.h>
-#include <sys/cpustats.h>
-#include <sys/procstats.h>
-#endif /* Not UMAX_43.  */
-#endif /* UMAX */
-
-#ifdef DGUX
-#include <sys/dg_sys_info.h>
-#endif
-
-#if defined(HAVE_FCNTL_H) || defined(_POSIX_VERSION)
-#include <fcntl.h>
-#else
-#include <sys/file.h>
-#endif
+# if !defined(LOAD_AVE_TYPE) && (defined(BSD) || defined(LDAV_CVT) || defined(KERNEL_FILE) || defined(LDAV_SYMBOL))
+#  define LOAD_AVE_TYPE double
+# endif
+
+# ifdef LOAD_AVE_TYPE
+
+#  ifndef VMS
+#   ifndef __linux__
+#    ifndef NLIST_STRUCT
+#     include <a.out.h>
+#    else /* NLIST_STRUCT */
+#     include <nlist.h>
+#    endif /* NLIST_STRUCT */
+
+#    ifdef SUNOS_5
+#     include <fcntl.h>
+#     include <kvm.h>
+#     include <kstat.h>
+#    endif
+
+#    if defined (hpux) && defined (HAVE_PSTAT_GETDYNAMIC)
+#     include <sys/pstat.h>
+#    endif
+
+#    ifndef KERNEL_FILE
+#     define KERNEL_FILE "/vmunix"
+#    endif /* KERNEL_FILE */
+
+#    ifndef LDAV_SYMBOL
+#     define LDAV_SYMBOL "_avenrun"
+#    endif /* LDAV_SYMBOL */
+#   endif /* __linux__ */
+
+#  else /* VMS */
+
+#   ifndef eunice
+#    include <iodef.h>
+#    include <descrip.h>
+#   else /* eunice */
+#    include <vms/iodef.h>
+#   endif /* eunice */
+#  endif /* VMS */
+
+#  ifndef LDAV_CVT
+#   define LDAV_CVT(n) ((double) (n))
+#  endif /* !LDAV_CVT */
+
+# endif /* LOAD_AVE_TYPE */
+
+# ifdef NeXT
+#  ifdef HAVE_MACH_MACH_H
+#   include <mach/mach.h>
+#  else
+#   include <mach.h>
+#  endif
+# endif /* NeXT */
+
+# ifdef sgi
+#  include <sys/sysmp.h>
+# endif /* sgi */
+
+# ifdef UMAX
+#  include <stdio.h>
+#  include <signal.h>
+#  include <sys/time.h>
+#  include <sys/wait.h>
+#  include <sys/syscall.h>
+
+#  ifdef UMAX_43
+#   include <machine/cpu.h>
+#   include <inq_stats/statistics.h>
+#   include <inq_stats/sysstats.h>
+#   include <inq_stats/cpustats.h>
+#   include <inq_stats/procstats.h>
+#  else /* Not UMAX_43.  */
+#   include <sys/sysdefs.h>
+#   include <sys/statistics.h>
+#   include <sys/sysstats.h>
+#   include <sys/cpudefs.h>
+#   include <sys/cpustats.h>
+#   include <sys/procstats.h>
+#  endif /* Not UMAX_43.  */
+# endif /* UMAX */
+
+# ifdef DGUX
+#  include <sys/dg_sys_info.h>
+# endif
+
+# if defined(HAVE_FCNTL_H) || defined(_POSIX_VERSION)
+#  include <fcntl.h>
+# else
+#  include <sys/file.h>
+# endif
 
 /* Avoid static vars inside a function since in HPUX they dump as pure.  */
 
-#ifdef NeXT
+# ifdef NeXT
 static processor_set_t default_set;
 static int getloadavg_initialized;
-#endif /* NeXT */
+# endif /* NeXT */
 
-#ifdef UMAX
+# ifdef UMAX
 static unsigned int cpus = 0;
 static unsigned int samples;
-#endif /* UMAX */
+# endif /* UMAX */
 
-#ifdef DGUX
+# ifdef DGUX
 static struct dg_sys_info_load_info load_info;	/* what-a-mouthful! */
-#endif /* DGUX */
+# endif /* DGUX */
 
-#ifdef LOAD_AVE_TYPE
+# ifdef LOAD_AVE_TYPE
 /* File descriptor open to /dev/kmem or VMS load ave driver.  */
 static int channel;
 /* Nonzero iff channel is valid.  */
@@ -495,15 +505,15 @@ static int getloadavg_initialized;
 /* Offset in kmem to seek to read load average, or 0 means invalid.  */
 static long offset;
 
-#if !defined(VMS) && !defined(sgi)
+#  if !defined(VMS) && !defined(sgi) && !defined(__linux__)
 static struct nlist nl[2];
-#endif /* Not VMS or sgi */
+#  endif /* Not VMS or sgi */
 
-#ifdef SUNOS_5
+#  ifdef SUNOS_5
 static kvm_t *kd;
-#endif /* SUNOS_5 */
+#  endif /* SUNOS_5 */
 
-#endif /* LOAD_AVE_TYPE */
+# endif /* LOAD_AVE_TYPE */
 
 /* Put the 1 minute, 5 minute and 15 minute load averages
    into the first NELEM elements of LOADAVG.
@@ -517,26 +527,29 @@ getloadavg (loadavg, nelem)
 {
   int elem = 0;			/* Return value.  */
 
-#ifdef NO_GET_LOAD_AVG
-#define LDAV_DONE
+# ifdef NO_GET_LOAD_AVG
+#  define LDAV_DONE
   /* Set errno to zero to indicate that there was no particular error;
      this function just can't work at all on this system.  */
   errno = 0;
   elem = -1;
-#endif
+# endif
 
-#if !defined (LDAV_DONE) && defined (SUNOS_5)
+# if !defined (LDAV_DONE) && defined (SUNOS_5)
 /* Use libkstat because we don't have to be root.  */
-#define LDAV_DONE
+#  define LDAV_DONE
   kstat_ctl_t *kc;
   kstat_t *ksp;
   kstat_named_t *kn;
 
   kc = kstat_open ();
-  if (kc == 0) return -1;
+  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;
+  if (ksp == 0 )
+    return -1;
+  if (kstat_read (kc, ksp, 0) == -1)
+    return -1;
 
 
   kn = kstat_data_lookup (ksp, "avenrun_1min");
@@ -567,15 +580,32 @@ getloadavg (loadavg, nelem)
     }
 
   kstat_close (kc);
-#endif /* SUNOS_5 */
+# endif /* SUNOS_5 */
 
-#if !defined (LDAV_DONE) && defined (__linux__)
-#define LDAV_DONE
-#undef LOAD_AVE_TYPE
+# if !defined (LDAV_DONE) && defined (hpux) && defined (HAVE_PSTAT_GETDYNAMIC)
+/* Use pstat_getdynamic() because we don't have to be root.  */
+#  define LDAV_DONE
+#  undef LOAD_AVE_TYPE
 
-#ifndef LINUX_LDAV_FILE
-#define LINUX_LDAV_FILE "/proc/loadavg"
-#endif
+  struct pst_dynamic dyn_info;
+  if (pstat_getdynamic (&dyn_info, sizeof (dyn_info), 0, 0) < 0)
+    return -1;
+  if (nelem > 0)
+    loadavg[elem++] = dyn_info.psd_avg_1_min;
+  if (nelem > 1)
+    loadavg[elem++] = dyn_info.psd_avg_5_min;
+  if (nelem > 2)
+    loadavg[elem++] = dyn_info.psd_avg_15_min;
+
+# endif /* hpux && HAVE_PSTAT_GETDYNAMIC */
+
+# if !defined (LDAV_DONE) && defined (__linux__)
+#  define LDAV_DONE
+#  undef LOAD_AVE_TYPE
+
+#  ifndef LINUX_LDAV_FILE
+#   define LINUX_LDAV_FILE "/proc/loadavg"
+#  endif
 
   char ldavgbuf[40];
   double load_ave[3];
@@ -599,15 +629,15 @@ getloadavg (loadavg, nelem)
 
   return elem;
 
-#endif /* __linux__ */
+# endif /* __linux__ */
 
-#if !defined (LDAV_DONE) && defined (__NetBSD__)
-#define LDAV_DONE
-#undef LOAD_AVE_TYPE
+# if !defined (LDAV_DONE) && defined (__NetBSD__)
+#  define LDAV_DONE
+#  undef LOAD_AVE_TYPE
 
-#ifndef NETBSD_LDAV_FILE
-#define NETBSD_LDAV_FILE "/kern/loadavg"
-#endif
+#  ifndef NETBSD_LDAV_FILE
+#   define NETBSD_LDAV_FILE "/kern/loadavg"
+#  endif
 
   unsigned long int load_ave[3], scale;
   int count;
@@ -628,10 +658,10 @@ getloadavg (loadavg, nelem)
 
   return elem;
 
-#endif /* __NetBSD__ */
+# endif /* __NetBSD__ */
 
-#if !defined (LDAV_DONE) && defined (NeXT)
-#define LDAV_DONE
+# if !defined (LDAV_DONE) && defined (NeXT)
+#  define LDAV_DONE
   /* The NeXT code was adapted from iscreen 3.2.  */
 
   host_t host;
@@ -651,7 +681,7 @@ getloadavg (loadavg, nelem)
     {
       info_count = PROCESSOR_SET_BASIC_INFO_COUNT;
       if (processor_set_info (default_set, PROCESSOR_SET_BASIC_INFO, &host,
-			     (processor_set_info_t) &info, &info_count)
+			      (processor_set_info_t) &info, &info_count)
 	  != KERN_SUCCESS)
 	getloadavg_initialized = 0;
       else
@@ -663,10 +693,10 @@ getloadavg (loadavg, nelem)
 
   if (!getloadavg_initialized)
     return -1;
-#endif /* NeXT */
+# endif /* NeXT */
 
-#if !defined (LDAV_DONE) && defined (UMAX)
-#define LDAV_DONE
+# if !defined (LDAV_DONE) && defined (UMAX)
+#  define LDAV_DONE
 /* UMAX 4.2, which runs on the Encore Multimax multiprocessor, does not
    have a /dev/kmem.  Information about the workings of the running kernel
    can be gathered with inq_stats system calls.
@@ -733,10 +763,10 @@ getloadavg (loadavg, nelem)
 
   if (nelem > 0)
     loadavg[elem++] = load / samples / cpus;
-#endif /* UMAX */
+# endif /* UMAX */
 
-#if !defined (LDAV_DONE) && defined (DGUX)
-#define LDAV_DONE
+# if !defined (LDAV_DONE) && defined (DGUX)
+#  define LDAV_DONE
   /* This call can return -1 for an error, but with good args
      it's not supposed to fail.  The first argument is for no
      apparent reason of type `long int *'.  */
@@ -750,10 +780,10 @@ getloadavg (loadavg, nelem)
     loadavg[elem++] = load_info.five_minute;
   if (nelem > 2)
     loadavg[elem++] = load_info.fifteen_minute;
-#endif /* DGUX */
+# endif /* DGUX */
 
-#if !defined (LDAV_DONE) && defined (apollo)
-#define LDAV_DONE
+# 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
@@ -775,10 +805,10 @@ getloadavg (loadavg, nelem)
     loadavg[elem++] = load_ave[1] / 65536.0;
   if (nelem > 2)
     loadavg[elem++] = load_ave[2] / 65536.0;
-#endif /* apollo */
+# endif /* apollo */
 
-#if !defined (LDAV_DONE) && defined (OSF_MIPS)
-#define LDAV_DONE
+# if !defined (LDAV_DONE) && defined (OSF_MIPS)
+#  define LDAV_DONE
 
   struct tbl_loadavg load_ave;
   table (TBL_LOADAVG, 0, &load_ave, 1, sizeof (load_ave));
@@ -786,20 +816,20 @@ getloadavg (loadavg, nelem)
     = (load_ave.tl_lscale == 0
        ? load_ave.tl_avenrun.d[0]
        : (load_ave.tl_avenrun.l[0] / (double) load_ave.tl_lscale));
-#endif	/* OSF_MIPS */
+# endif	/* OSF_MIPS */
 
-#if !defined (LDAV_DONE) && (defined (MSDOS) || defined (WIN32))
-#define LDAV_DONE
+# 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++)
     {
       loadavg[elem] = 0.0;
     }
-#endif  /* MSDOS */
+# endif  /* MSDOS */
 
-#if !defined (LDAV_DONE) && defined (OSF_ALPHA)
-#define LDAV_DONE
+# if !defined (LDAV_DONE) && defined (OSF_ALPHA)
+#  define LDAV_DONE
 
   struct tbl_loadavg load_ave;
   table (TBL_LOADAVG, 0, &load_ave, 1, sizeof (load_ave));
@@ -808,31 +838,31 @@ getloadavg (loadavg, nelem)
       = (load_ave.tl_lscale == 0
        ? load_ave.tl_avenrun.d[elem]
        : (load_ave.tl_avenrun.l[elem] / (double) load_ave.tl_lscale));
-#endif /* OSF_ALPHA */
+# endif /* OSF_ALPHA */
 
-#if !defined (LDAV_DONE) && defined (VMS)
+# if !defined (LDAV_DONE) && defined (VMS)
   /* VMS specific code -- read from the Load Ave driver.  */
 
   LOAD_AVE_TYPE load_ave[3];
   static int getloadavg_initialized = 0;
-#ifdef eunice
+#  ifdef eunice
   struct
   {
     int dsc$w_length;
     char *dsc$a_pointer;
   } descriptor;
-#endif
+#  endif
 
   /* Ensure that there is a channel open to the load ave device.  */
   if (!getloadavg_initialized)
     {
       /* Attempt to open the channel.  */
-#ifdef eunice
+#  ifdef eunice
       descriptor.dsc$w_length = 18;
       descriptor.dsc$a_pointer = "$$VMS_LOAD_AVERAGE";
-#else
+#  else
       $DESCRIPTOR (descriptor, "LAV0:");
-#endif
+#  endif
       if (sys$assign (&descriptor, &channel, 0, 0) & 1)
 	getloadavg_initialized = 1;
     }
@@ -848,76 +878,76 @@ getloadavg (loadavg, nelem)
 
   if (!getloadavg_initialized)
     return -1;
-#endif /* VMS */
+# endif /* VMS */
 
-#if !defined (LDAV_DONE) && defined(LOAD_AVE_TYPE) && !defined(VMS)
+# if !defined (LDAV_DONE) && defined(LOAD_AVE_TYPE) && !defined(VMS)
 
   /* UNIX-specific code -- read the average from /dev/kmem.  */
 
-#define LDAV_PRIVILEGED		/* This code requires special installation.  */
+#  define LDAV_PRIVILEGED		/* This code requires special installation.  */
 
   LOAD_AVE_TYPE load_ave[3];
 
   /* Get the address of LDAV_SYMBOL.  */
   if (offset == 0)
     {
-#ifndef sgi
-#ifndef NLIST_STRUCT
+#  ifndef sgi
+#   ifndef NLIST_STRUCT
       strcpy (nl[0].n_name, LDAV_SYMBOL);
       strcpy (nl[1].n_name, "");
-#else /* NLIST_STRUCT */
-#ifdef NLIST_NAME_UNION
+#   else /* NLIST_STRUCT */
+#    ifdef NLIST_NAME_UNION
       nl[0].n_un.n_name = LDAV_SYMBOL;
       nl[1].n_un.n_name = 0;
-#else /* not NLIST_NAME_UNION */
+#    else /* not NLIST_NAME_UNION */
       nl[0].n_name = LDAV_SYMBOL;
       nl[1].n_name = 0;
-#endif /* not NLIST_NAME_UNION */
-#endif /* NLIST_STRUCT */
+#    endif /* not NLIST_NAME_UNION */
+#   endif /* NLIST_STRUCT */
 
-#ifndef SUNOS_5
+#   ifndef SUNOS_5
       if (
-#if !(defined (_AIX) && !defined (ps2))
+#    if !(defined (_AIX) && !defined (ps2))
 	  nlist (KERNEL_FILE, nl)
-#else  /* _AIX */
+#    else  /* _AIX */
 	  knlist (nl, 1, sizeof (nl[0]))
-#endif
+#    endif
 	  >= 0)
 	  /* Omit "&& nl[0].n_type != 0 " -- it breaks on Sun386i.  */
 	  {
-#ifdef FIXUP_KERNEL_SYMBOL_ADDR
+#    ifdef FIXUP_KERNEL_SYMBOL_ADDR
 	    FIXUP_KERNEL_SYMBOL_ADDR (nl);
-#endif
+#    endif
 	    offset = nl[0].n_value;
 	  }
-#endif /* !SUNOS_5 */
-#else  /* sgi */
-	  int ldav_off;
-
-	  ldav_off = sysmp (MP_KERNADDR, MPKA_AVENRUN);
-	  if (ldav_off != -1)
-	  offset = (long) ldav_off & 0x7fffffff;
-#endif /* sgi */
-	}
+#   endif /* !SUNOS_5 */
+#  else  /* sgi */
+      int ldav_off;
+
+      ldav_off = sysmp (MP_KERNADDR, MPKA_AVENRUN);
+      if (ldav_off != -1)
+	offset = (long) ldav_off & 0x7fffffff;
+#  endif /* sgi */
+    }
 
   /* Make sure we have /dev/kmem open.  */
   if (!getloadavg_initialized)
     {
-#ifndef SUNOS_5
+#  ifndef SUNOS_5
       channel = open ("/dev/kmem", 0);
       if (channel >= 0)
 	{
 	  /* Set the channel to close on exec, so it does not
 	     litter any child's descriptor table.  */
-#ifdef FD_SETFD
-#ifndef FD_CLOEXEC
-#define FD_CLOEXEC 1
-#endif
+#   ifdef FD_SETFD
+#    ifndef FD_CLOEXEC
+#     define FD_CLOEXEC 1
+#    endif
 	  (void) fcntl (channel, F_SETFD, FD_CLOEXEC);
-#endif
+#   endif
 	  getloadavg_initialized = 1;
 	}
-#else /* SUNOS_5 */
+#  else /* SUNOS_5 */
       /* 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);
@@ -928,14 +958,14 @@ getloadavg (loadavg, nelem)
 	  offset = nl[0].n_value;
 	  getloadavg_initialized = 1;
 	}
-#endif /* SUNOS_5 */
+#  endif /* SUNOS_5 */
     }
 
   /* If we can, get the load average values.  */
   if (offset && getloadavg_initialized)
     {
       /* Try to read the load.  */
-#ifndef SUNOS_5
+#  ifndef SUNOS_5
       if (lseek (channel, offset, 0) == -1L
 	  || read (channel, (char *) load_ave, sizeof (load_ave))
 	  != sizeof (load_ave))
@@ -943,21 +973,21 @@ getloadavg (loadavg, nelem)
 	  close (channel);
 	  getloadavg_initialized = 0;
 	}
-#else  /* SUNOS_5 */
+#  else  /* SUNOS_5 */
       if (kvm_read (kd, offset, (char *) load_ave, sizeof (load_ave))
 	  != sizeof (load_ave))
         {
           kvm_close (kd);
           getloadavg_initialized = 0;
 	}
-#endif /* SUNOS_5 */
+#  endif /* SUNOS_5 */
     }
 
   if (offset == 0 || !getloadavg_initialized)
     return -1;
-#endif /* LOAD_AVE_TYPE and not VMS */
+# endif /* LOAD_AVE_TYPE and not VMS */
 
-#if !defined (LDAV_DONE) && defined (LOAD_AVE_TYPE) /* Including VMS.  */
+# if !defined (LDAV_DONE) && defined (LOAD_AVE_TYPE) /* Including VMS.  */
   if (nelem > 0)
     loadavg[elem++] = LDAV_CVT (load_ave[0]);
   if (nelem > 1)
@@ -965,17 +995,17 @@ getloadavg (loadavg, nelem)
   if (nelem > 2)
     loadavg[elem++] = LDAV_CVT (load_ave[2]);
 
-#define LDAV_DONE
-#endif /* !LDAV_DONE && LOAD_AVE_TYPE */
+#  define LDAV_DONE
+# endif /* !LDAV_DONE && LOAD_AVE_TYPE */
 
-#ifdef LDAV_DONE
+# ifdef LDAV_DONE
   return elem;
-#else
+# else
   /* Set errno to zero to indicate that there was no particular error;
      this function just can't work at all on this system.  */
   errno = 0;
   return -1;
-#endif
+# endif
 }
 
 #endif /* ! HAVE_GETLOADAVG */