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#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
MODULE = Sys::MemInfo PACKAGE = Sys::MemInfo
#include "arch/functions.h"
#include <stdio.h>
#include <sys/param.h>
#include <sys/sysctl.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:
unsigned long long ret = 0;
size_t len = sizeof (ret);
#ifdef NETBSD
static int mib[2] = { CTL_HW, HW_PHYSMEM64 };
#else
static int mib[2] = { CTL_HW, HW_PHYSMEM };
#endif
if (sysctl (mib, 2, &ret, &len, NULL, 0) != -1) {
RETVAL = (double) (ret);
} else {
RETVAL = 0;
}
OUTPUT:
RETVAL
double
freemem()
PROTOTYPE: DISABLE
CODE:
double ret= 0;
struct uvmexp uvmexp;
size_t len = sizeof(uvmexp);
int mib[2] = { CTL_VM, VM_UVMEXP };
if (sysctl(mib, 2, &uvmexp, &len, NULL, 0) != -1) {
ret = uvmexp.free;
ret *= uvmexp.pagesize;
}
RETVAL = ret;
OUTPUT:
RETVAL
double
totalswap()
PROTOTYPE: DISABLE
CODE:
double ret= 0;
struct uvmexp uvmexp;
size_t len = sizeof(uvmexp);
int mib[2] = { CTL_VM, VM_UVMEXP };
if (sysctl(mib, 2, &uvmexp, &len, NULL, 0) != -1) {
ret = uvmexp.swpages;
ret *= uvmexp.pagesize;
}
RETVAL = ret;
OUTPUT:
RETVAL
double
freeswap()
PROTOTYPE: DISABLE
CODE:
double ret= 0;
struct uvmexp uvmexp;
size_t len = sizeof(uvmexp);
int mib[2] = { CTL_VM, VM_UVMEXP };
if (sysctl(mib, 2, &uvmexp, &len, NULL, 0) != -1) {
ret = (uvmexp.swpages - uvmexp.swpginuse);
ret *= uvmexp.pagesize;
}
RETVAL = ret;
OUTPUT:
RETVAL
# vim:et:ts=2:sts=2:sw=2
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