summaryrefslogtreecommitdiff
path: root/get_load.c
diff options
context:
space:
mode:
authorAlan Coopersmith <alan.coopersmith@oracle.com>2013-02-24 17:48:39 -0800
committerAlan Coopersmith <alan.coopersmith@oracle.com>2013-02-24 17:48:39 -0800
commit0f8ad26dc4baed4c1807e23c1560907b0c145073 (patch)
treebab0095859e71384860ed63c50c85598dde1c137 /get_load.c
parent84e1b2ef03315927cb8a927bcecca73778e5f6c1 (diff)
Use 'imdent' to make the deeply nested #ifdef levels easier to follow
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Diffstat (limited to 'get_load.c')
-rw-r--r--get_load.c318
1 files changed, 159 insertions, 159 deletions
diff --git a/get_load.c b/get_load.c
index bf8b3fd..0c67bbd 100644
--- a/get_load.c
+++ b/get_load.c
@@ -49,8 +49,8 @@ from the X Consortium.
#include "xload.h"
#if defined(__CYGWIN__)
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
+# define WIN32_LEAN_AND_MEAN
+# include <windows.h>
typedef struct {
DWORD stat;
union {
@@ -67,7 +67,7 @@ static long (__stdcall *pdhopen)(LPCSTR, DWORD, HANDLE);
static long (__stdcall *pdhaddcounter)(HANDLE, LPCSTR, DWORD, HANDLE*);
static long (__stdcall *pdhcollectquerydata)(HANDLE);
static long (__stdcall *pdhgetformattedcountervalue)(HANDLE, DWORD, LPDWORD, COUNTER*);
-#define CYGWIN_PERF
+# define CYGWIN_PERF
void InitLoadPoint(void)
{
long ret;
@@ -105,11 +105,11 @@ void GetLoadPoint(
static void xload_error(const char *, const char *) _X_NORETURN;
-#ifdef HAVE_GETLOADAVG
-#include <stdlib.h>
-#ifdef HAVE_SYS_LOADAVG_H
-#include <sys/loadavg.h> /* Solaris definition of getloadavg */
-#endif
+# ifdef HAVE_GETLOADAVG
+# include <stdlib.h>
+# ifdef HAVE_SYS_LOADAVG_H
+# include <sys/loadavg.h> /* Solaris definition of getloadavg */
+# endif
void InitLoadPoint(void)
{
@@ -126,60 +126,60 @@ void GetLoadPoint(
xload_error("couldn't obtain load average", "");
}
-#else /* not HAVE_GETLOADAVG */
+# else /* not HAVE_GETLOADAVG */
-#if defined(att) || defined(QNX4)
-#define LOADSTUB
-#endif
+# if defined(att) || defined(QNX4)
+# define LOADSTUB
+# endif
-#ifndef LOADSTUB
-#if !defined(linux) && !defined(__GLIBC__)
-#include <nlist.h>
-#endif /* !linux && ... */
-#endif /* LOADSTUB */
+# ifndef LOADSTUB
+# if !defined(linux) && !defined(__GLIBC__)
+# include <nlist.h>
+# endif /* !linux && ... */
+# endif /* LOADSTUB */
-#ifdef CSRG_BASED
-#include <sys/param.h>
-#endif
+# ifdef CSRG_BASED
+# include <sys/param.h>
+# endif
-#ifdef sgi
-#define FSCALE 1024.0
-#endif
+# ifdef sgi
+# define FSCALE 1024.0
+# endif
-#ifdef __osf__
+# ifdef __osf__
/*
* Use the table(2) interface; it doesn't require setuid root.
*
* Select 0, 1, or 2 for 5, 30, or 60 second load averages.
*/
-#ifndef WHICH_AVG
-#define WHICH_AVG 1
-#endif
-#include <sys/table.h>
-#endif
-
-#ifdef SVR4
-#ifndef FSCALE
-#define FSCALE (1 << 8)
-#endif
-#endif
-
-#if defined(SYSV) && defined(i386)
+# ifndef WHICH_AVG
+# define WHICH_AVG 1
+# endif
+# include <sys/table.h>
+# endif
+
+# ifdef SVR4
+# ifndef FSCALE
+# define FSCALE (1 << 8)
+# endif
+# endif
+
+# if defined(SYSV) && defined(i386)
/*
* inspired by 'avgload' by John F. Haugh II
*/
-#include <sys/param.h>
-#include <sys/buf.h>
-#include <sys/immu.h>
-#include <sys/region.h>
-#include <sys/var.h>
-#include <sys/proc.h>
-#define KERNEL_FILE "/unix"
-#define KMEM_FILE "/dev/kmem"
-#define VAR_NAME "v"
-#define PROC_NAME "proc"
-#define BUF_NAME "buf"
-#define DECAY 0.8
+# include <sys/param.h>
+# include <sys/buf.h>
+# include <sys/immu.h>
+# include <sys/region.h>
+# include <sys/var.h>
+# include <sys/proc.h>
+# define KERNEL_FILE "/unix"
+# define KMEM_FILE "/dev/kmem"
+# define VAR_NAME "v"
+# define PROC_NAME "proc"
+# define BUF_NAME "buf"
+# define DECAY 0.8
struct nlist namelist[] = {
{VAR_NAME},
{PROC_NAME},
@@ -250,9 +250,9 @@ XtPointer call_data; /* pointer to (double) return value */
return;
}
-#else /* not (SYSV && i386) */
+# else /* not (SYSV && i386) */
-#if defined(linux) || (defined(__FreeBSD_kernel__) && defined(__GLIBC__))
+# if defined(linux) || (defined(__FreeBSD_kernel__) && defined(__GLIBC__))
void InitLoadPoint(void)
{
@@ -267,10 +267,10 @@ void GetLoadPoint(
static int fd = -1;
int n;
char buf[10] = {0, };
-#ifndef X_LOCALE
+# ifndef X_LOCALE
char *dp;
static char ldp = 0;
-#endif
+# endif
if (fd < 0)
@@ -282,21 +282,21 @@ void GetLoadPoint(
*(double *)call_data = 0.0;
return;
}
-#ifndef X_LOCALE
+# ifndef X_LOCALE
ldp = *localeconv()->decimal_point;
-#endif
+# endif
}
else
lseek(fd, 0, 0);
if ((n = read(fd, buf, sizeof(buf)-1)) > 0) {
-#ifndef X_LOCALE
+# ifndef X_LOCALE
if (ldp != '.')
while ((dp = memchr(buf,'.',sizeof(buf)-1)) != NULL) {
*(char *)dp = ldp;
}
-#endif
+# endif
if (sscanf(buf, "%lf", (double *)call_data) == 1)
return;
}
@@ -307,11 +307,11 @@ void GetLoadPoint(
return;
}
-#else /* linux */
+# else /* linux */
-#ifdef __GNU__
+# ifdef __GNU__
-#include <mach.h>
+# include <mach.h>
static processor_set_t default_set;
@@ -345,11 +345,11 @@ void GetLoadPoint(
return;
}
-#else /* __GNU__ */
+# else /* __GNU__ */
-#ifdef __APPLE__
+# ifdef __APPLE__
-#include <mach/mach.h>
+# include <mach/mach.h>
static mach_port_t host_priv_port;
@@ -379,9 +379,9 @@ void GetLoadPoint(
return;
}
-#else /* __APPLE__ */
+# else /* __APPLE__ */
-#ifdef LOADSTUB
+# ifdef LOADSTUB
void InitLoadPoint()
{
@@ -396,9 +396,9 @@ void GetLoadPoint( w, closure, call_data )
*(double *)call_data = 1.0;
}
-#else /* not LOADSTUB */
+# else /* not LOADSTUB */
-#ifdef __osf__
+# ifdef __osf__
void InitLoadPoint()
{
@@ -420,11 +420,11 @@ void GetLoadPoint( w, closure, call_data )
load_data.tl_avenrun.l[WHICH_AVG] / (double)load_data.tl_lscale;
}
-#else /* not __osf__ */
+# else /* not __osf__ */
-#ifdef __QNXNTO__
-#include <time.h>
-#include <sys/neutrino.h>
+# ifdef __QNXNTO__
+# include <time.h>
+# include <sys/neutrino.h>
static _Uint64t nto_idle = 0, nto_idle_last = 0;
static int nto_idle_id;
static struct timespec nto_now, nto_last;
@@ -457,16 +457,16 @@ GetLoadPoint( /* QNX NTO version */
nto_idle_last = nto_idle;
nto_last = nto_now;
}
-#else /* not __QNXNTO__ */
+# else /* not __QNXNTO__ */
-#ifdef __bsdi__
-#include <kvm.h>
+# ifdef __bsdi__
+# include <kvm.h>
static struct nlist nl[] = {
{ "_averunnable" },
-#define X_AVERUNNABLE 0
+# define X_AVERUNNABLE 0
{ "_fscale" },
-#define X_FSCALE 1
+# define X_FSCALE 1
{ "" },
};
static kvm_t *kd;
@@ -510,90 +510,90 @@ void GetLoadPoint(
return;
}
-#else /* not __bsdi__ */
-#ifndef KMEM_FILE
-#define KMEM_FILE "/dev/kmem"
-#endif
+# else /* not __bsdi__ */
+# ifndef KMEM_FILE
+# define KMEM_FILE "/dev/kmem"
+# endif
-#ifndef KERNEL_FILE
+# ifndef KERNEL_FILE
-#ifdef hpux
-#define KERNEL_FILE "/hp-ux"
-#endif /* hpux */
+# ifdef hpux
+# define KERNEL_FILE "/hp-ux"
+# endif /* hpux */
-#ifdef sgi
-#if (OSMAJORVERSION > 4)
-#define KERNEL_FILE "/unix"
-#endif
-#endif
+# ifdef sgi
+# if (OSMAJORVERSION > 4)
+# define KERNEL_FILE "/unix"
+# endif
+# endif
/*
* provide default for everyone else
*/
-#ifndef KERNEL_FILE
-#ifdef SVR4
-#define KERNEL_FILE "/stand/unix"
-#else
-#ifdef SYSV
-#define KERNEL_FILE "/unix"
-#else
+# ifndef KERNEL_FILE
+# ifdef SVR4
+# define KERNEL_FILE "/stand/unix"
+# else
+# ifdef SYSV
+# define KERNEL_FILE "/unix"
+# else
/* If a BSD system, check in <paths.h> */
-# ifdef BSD
-# include <paths.h>
-# ifdef _PATH_UNIX
-# define KERNEL_FILE _PATH_UNIX
-# else
-# ifdef _PATH_KERNEL
-# define KERNEL_FILE _PATH_KERNEL
-# else
-# define KERNEL_FILE "/vmunix"
-# endif
-# endif
-# else /* BSD */
-# define KERNEL_FILE "/vmunix"
-# endif /* BSD */
-#endif /* SYSV */
-#endif /* SVR4 */
-#endif /* KERNEL_FILE */
-#endif /* KERNEL_FILE */
-
-
-#ifndef KERNEL_LOAD_VARIABLE
-# if defined(BSD) && (BSD >= 199103)
-# define KERNEL_LOAD_VARIABLE "_averunnable"
-# endif /* BSD >= 199103 */
-
-# ifdef hpux
-# ifdef __hp9000s800
-# define KERNEL_LOAD_VARIABLE "avenrun"
-# endif /* hp9000s800 */
-# endif /* hpux */
-
-# ifdef sgi
+# ifdef BSD
+# include <paths.h>
+# ifdef _PATH_UNIX
+# define KERNEL_FILE _PATH_UNIX
+# else
+# ifdef _PATH_KERNEL
+# define KERNEL_FILE _PATH_KERNEL
+# else
+# define KERNEL_FILE "/vmunix"
+# endif
+# endif
+# else /* BSD */
+# define KERNEL_FILE "/vmunix"
+# endif /* BSD */
+# endif /* SYSV */
+# endif /* SVR4 */
+# endif /* KERNEL_FILE */
+# endif /* KERNEL_FILE */
+
+
+# ifndef KERNEL_LOAD_VARIABLE
+# if defined(BSD) && (BSD >= 199103)
+# define KERNEL_LOAD_VARIABLE "_averunnable"
+# endif /* BSD >= 199103 */
+
+# ifdef hpux
+# ifdef __hp9000s800
+# define KERNEL_LOAD_VARIABLE "avenrun"
+# endif /* hp9000s800 */
+# endif /* hpux */
+
+# ifdef sgi
# define KERNEL_LOAD_VARIABLE "avenrun"
-# endif /* sgi */
+# endif /* sgi */
-#endif /* KERNEL_LOAD_VARIABLE */
+# endif /* KERNEL_LOAD_VARIABLE */
/*
* provide default for everyone else
*/
-#ifndef KERNEL_LOAD_VARIABLE
-# ifdef USG
-# define KERNEL_LOAD_VARIABLE "sysinfo"
-# define SYSINFO
-# else
-# ifdef SVR4
-# define KERNEL_LOAD_VARIABLE "avenrun"
-# else
-# define KERNEL_LOAD_VARIABLE "_avenrun"
-# endif
-# endif
-#endif /* KERNEL_LOAD_VARIABLE */
+# ifndef KERNEL_LOAD_VARIABLE
+# ifdef USG
+# define KERNEL_LOAD_VARIABLE "sysinfo"
+# define SYSINFO
+# else
+# ifdef SVR4
+# define KERNEL_LOAD_VARIABLE "avenrun"
+# else
+# define KERNEL_LOAD_VARIABLE "_avenrun"
+# endif
+# endif
+# endif /* KERNEL_LOAD_VARIABLE */
static struct nlist namelist[] = { /* namelist for vmunix grubbing */
-#define LOADAV 0
+# define LOADAV 0
{KERNEL_LOAD_VARIABLE},
{0}
};
@@ -603,9 +603,9 @@ static long loadavg_seek;
void InitLoadPoint()
{
-#if !defined(SVR4) && !defined(sgi) && !defined(AIXV5) && !(BSD >= 199103) && !defined(__APPLE__)
+# if !defined(SVR4) && !defined(sgi) && !defined(AIXV5) && !(BSD >= 199103) && !defined(__APPLE__)
extern void nlist();
-#endif
+# endif
nlist( KERNEL_FILE, namelist);
/*
@@ -634,34 +634,34 @@ void GetLoadPoint( w, closure, call_data )
(void) lseek(kmem, loadavg_seek, 0);
-#if defined(SVR4) || defined(sgi) || (BSD >= 199103)
+# if defined(SVR4) || defined(sgi) || (BSD >= 199103)
{
long temp;
(void) read(kmem, (char *)&temp, sizeof(long));
*loadavg = (double)temp/FSCALE;
}
-#else /* else not SVR4 or sgi or BSD */
+# else /* else not SVR4 or sgi or BSD */
(void) read(kmem, (char *)loadavg, sizeof(double));
-#endif /* SVR4 or ... else */
+# endif /* SVR4 or ... else */
return;
}
-#endif /* __bsdi__ else */
-#endif /* __QNXNTO__ else */
-#endif /* __osf__ else */
-#endif /* LOADSTUB else */
-#endif /* __APPLE__ else */
-#endif /* __GNU__ else */
-#endif /* linux else */
-#endif /* SYSV && i386 else */
-#endif /* HAVE_GETLOADAVG else */
+# endif /* __bsdi__ else */
+# endif /* __QNXNTO__ else */
+# endif /* __osf__ else */
+# endif /* LOADSTUB else */
+# endif /* __APPLE__ else */
+# endif /* __GNU__ else */
+# endif /* linux else */
+# endif /* SYSV && i386 else */
+# endif /* HAVE_GETLOADAVG else */
static void xload_error(const char *str1, const char *str2)
{
(void) fprintf(stderr,"xload: %s %s\n", str1, str2);
-#ifdef __bsdi__
+# ifdef __bsdi__
if (kd)
kvm_close(kd);
-#endif
+# endif
exit(-1);
}