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/*
* Copyright (c) 2003 Benjamin Reed <ranger@befunk.com>
*
* memory_osx.cpp is part of the KDE program kcminfo. Copied wholesale
* from memory_fbsd.cpp =)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <unistd.h>
#include <stdlib.h>
#include <QFile>
#include <mach/mach_init.h>
#include <mach/mach_host.h>
#include <mach/host_info.h>
#include <sys/stat.h>
#include <dirent.h>
#include <kdebug.h>
void KCMMemory::fetchValues()
{
vm_statistics_data_t vm_info;
mach_msg_type_number_t info_count;
DIR *dirp;
struct dirent *dp;
t_memsize total;
info_count = HOST_VM_INFO_COUNT;
if (host_statistics(mach_host_self (), HOST_VM_INFO, (host_info_t)&vm_info, &info_count)) {
kDebug() << "could not get memory statistics";
return;
}
memoryInfos[TOTAL_MEM] = MEMORY(vm_info.active_count + vm_info.inactive_count +
vm_info.free_count + vm_info.wire_count) * vm_page_size;
memoryInfos[FREE_MEM] = MEMORY(vm_info.free_count) * vm_page_size;
memoryInfos[SHARED_MEM] = NO_MEMORY_INFO;
memoryInfos[BUFFER_MEM] = NO_MEMORY_INFO;
memoryInfos[CACHED_MEM] = NO_MEMORY_INFO;
dirp = opendir("/private/var/vm");
if (!dirp) {
kDebug() << "unable to open /private/var/vm";
return;
}
total = 0;
while ((dp = readdir (dirp)) != NULL) {
struct stat sb;
char fname [MAXNAMLEN];
if (strncmp (dp->d_name, "swapfile", 8))
continue;
strcpy (fname, "/private/var/vm/");
strcat (fname, dp->d_name);
if (stat (fname, &sb) < 0)
continue;
total += sb.st_size;
}
closedir (dirp);
info_count = HOST_VM_INFO_COUNT;
if (host_statistics (mach_host_self (), HOST_VM_INFO,
(host_info_t) &vm_info, &info_count)) {
kDebug() << "unable to get VM info";
}
memoryInfos[SWAP_MEM] = total;
// off_t used = (vm_info.pageouts - vm_info.pageins) * vm_page_size;
memoryInfos[FREESWAP_MEM] = NO_MEMORY_INFO;
/* free = MEMORY(vm_info.free_count) * vm_page_size;
used = MEMORY(vm_info.active_count) * vm_page_size;
total = MEMORY(vm_info.active_count + vm_info.inactive_count +
vm_info.free_count + vm_info.wire_count) * vm_page_size; */
}
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