#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
MODULE = Sys::MemInfo PACKAGE = Sys::MemInfo
#include "arch/functions.h"
#include <stdio.h>
#include <unistd.h>
#include <sys/sysinfo.h>
void
availkeys()
PREINIT:
PPCODE:
XPUSHs(sv_2mortal(newSVpv(_totalmem, strlen(_totalmem))));
XPUSHs(sv_2mortal(newSVpv(_freemem, strlen(_freemem))));
XPUSHs(sv_2mortal(newSVpv(_totalswap, strlen(_totalswap))));
XPUSHs(sv_2mortal(newSVpv(_freeswap, strlen(_freeswap))));
double
totalmem()
PROTOTYPE: DISABLE
CODE:
const long long pagetotal = sysconf (_SC_PHYS_PAGES);
const long long pagesize = sysconf (_SC_PAGESIZE);
double ret = (pagetotal *pagesize);
RETVAL = ret;
OUTPUT:
RETVAL
double
freemem()
PROTOTYPE: DISABLE
CODE:
const long long pagesize = sysconf (_SC_PAGESIZE);
const long long pageavail = sysconf (_SC_AVPHYS_PAGES);
double ret= (pageavail * pagesize);
RETVAL = ret;
OUTPUT:
RETVAL
double
totalswap()
PROTOTYPE: DISABLE
CODE:
struct sysinfo info;
double ret= 0;
#ifdef OLDKERNEL
if (0==sysinfo(&info)) ret = info.totalswap;
#else
if (0==sysinfo(&info)) ret = info.mem_unit * info.totalswap;
#endif
RETVAL = ret;
OUTPUT:
RETVAL
double
freeswap()
PROTOTYPE: DISABLE
CODE:
struct sysinfo info;
double ret= 0;
#ifdef OLDKERNEL
if (0==sysinfo(&info)) ret = info.freeswap;
#else
if (0==sysinfo(&info)) ret = info.mem_unit * info.freeswap;
#endif
RETVAL = ret;
OUTPUT:
RETVAL
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