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#include <sys/param.h>
#if __NetBSD_Version__ > 103080000
#define UVM
#endif
#if defined(__OpenBSD__)
#define UVM
#endif
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#ifdef UVM
#include <uvm/uvm_extern.h>
#else
#include <vm/vm_swap.h>
#endif
void KMemoryWidget::update()
{
int mib[2];
size_t len;
#ifdef UVM
#if __NetBSD_Version__ > 499000100 /* 4.99.2+ */
struct uvmexp_sysctl uvmexp;
#else
struct uvmexp uvmexp;
#endif
#else /* !UVM */
struct swapent *swaplist;
int64_t nswap, rnswap, totalswap, freeswap, usedswap;
#endif
#if __NetBSD_Version__ > 106170000 /* 1.6Q+ */
quad_t memory;
#else
int memory;
#endif
/* memory */
#if __NetBSD_Version__ > 106170000 /* 1.6Q+ */
mib[0] = CTL_HW;
mib[1] = HW_PHYSMEM64;
#else
mib[0] = CTL_HW;
mib[1] = HW_PHYSMEM;
#endif
len = sizeof(memory);
if( sysctl(mib,2,&memory,&len,NULL,0)< 0 )
Memory_Info[TOTAL_MEM] = NO_MEMORY_INFO;
else
Memory_Info[TOTAL_MEM] = memory;
#ifdef UVM
mib[0] = CTL_VM;
#if __NetBSD_Version__ > 499000100 /* 4.99.2+ */
mib[1] = VM_UVMEXP2;
#else
mib[1] = VM_UVMEXP;
#endif
len = sizeof(uvmexp);
if ( sysctl(mib, 2, &uvmexp, &len, NULL, 0) < 0 ) {
Memory_Info[FREE_MEM] = NO_MEMORY_INFO;
Memory_Info[ACTIVE_MEM] = NO_MEMORY_INFO;
Memory_Info[INACTIVE_MEM] = NO_MEMORY_INFO;
Memory_Info[SWAP_MEM] = NO_MEMORY_INFO;
Memory_Info[FREESWAP_MEM] = NO_MEMORY_INFO;
Memory_Info[CACHED_MEM] = NO_MEMORY_INFO;
} else {
t_memsize pgsz = MEMORY(uvmexp.pagesize);
Memory_Info[FREE_MEM] = pgsz * uvmexp.free;
Memory_Info[ACTIVE_MEM] = pgsz * uvmexp.active;
Memory_Info[INACTIVE_MEM] = pgsz * uvmexp.inactive;
Memory_Info[SWAP_MEM] = pgsz * uvmexp.swpages;
Memory_Info[FREESWAP_MEM] = pgsz * (uvmexp.swpages - uvmexp.swpginuse);
#if __NetBSD_Version__ > 106000000
Memory_Info[CACHED_MEM] = pgsz * (uvmexp.filepages + uvmexp.execpages);
#else
Memory_Info[CACHED_MEM] = NO_MEMORY_INFO;
#endif
}
#else
Memory_Info[FREE_MEM] = NO_MEMORY_INFO;
Memory_Info[ACTIVE_MEM] = NO_MEMORY_INFO;
Memory_Info[INACTIVE_MEM] = NO_MEMORY_INFO;
/* swap */
totalswap = freeswap = usedswap = 0;
nswap = swapctl(SWAP_NSWAP,0,0);
if ( nswap > 0 ) {
if ( (swaplist = (struct swapent *)malloc(nswap * sizeof(*swaplist))) ) {
rnswap = swapctl(SWAP_STATS,swaplist,nswap);
if ( rnswap < 0 || rnswap > nswap )
totalswap = freeswap = -1; /* Error */
else {
while ( rnswap-- > 0 ) {
totalswap += swaplist[rnswap].se_nblks;
usedswap += swaplist[rnswap].se_inuse;
}
freeswap = totalswap - usedswap;
}
} else
totalswap = freeswap = -1; /* Error */
if ( totalswap == -1 ) {
Memory_Info[SWAP_MEM] = NO_MEMORY_INFO;
Memory_Info[FREESWAP_MEM] = NO_MEMORY_INFO;
} else {
Memory_Info[SWAP_MEM] = MEMORY(totalswap);
Memory_Info[FREESWAP_MEM] = MEMORY(freeswap);
}
}
#endif
}
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