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#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
MODULE = Sys::MemInfo PACKAGE = Sys::MemInfo
#include <stdio.h>
#include <unistd.h>
#include <sys/sysi86.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 pages = sysconf (_SC_USEABLE_MEMORY);
const long long pagesize = sysconf (_SC_PAGESIZE);
RETVAL = (pages * pagesize);
OUTPUT:
RETVAL
double
freemem()
PROTOTYPE: DISABLE
CODE:
const long pagesize = sysconf (_SC_PAGESIZE);
long freepages = 0;
long l1=0;
long l2=0;
double ret = 0;
int kmem;
if (getksym("mem_freepages", &l1, &l2) != -1) {
if ((kmem = open("/dev/kmem", O_RDONLY)) != -1 && lseek(kmem, l1, SEEK_SET) != -1 &&
read(kmem, &freepages, sizeof(freepages)) == -1) {
ret = (freepages * pagesize);
}
close(kmem);
}
RETVAL = ret;
OUTPUT:
RETVAL
double
freeswap()
PROTOTYPE: DISABLE
CODE:
double ret = 0;
RETVAL = ret;
OUTPUT:
RETVAL
double
totalswap()
PROTOTYPE: DISABLE
CODE:
double ret = 0;
RETVAL = ret;
OUTPUT:
RETVAL
# vim:et:ts=2:sts=2:sw=2
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