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/*
* app_mem_usage.c
*
* $Id: get_app_mem_usage.c 50885 2013-07-25 04:40:37Z etxrab $
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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.
*/
/* code copied from ekg2, GPL-2 */
#include "config.h"
#include <glib.h>
#include "app_mem_usage.h"
#ifdef HAVE_SYS_UTSNAME_H
#include <sys/utsname.h>
#endif
#ifdef _WIN32
#include <windows.h>
#include <psapi.h>
#endif /* _WIN32 */
gsize
get_total_mem_used_by_app(void)
{
#if defined(_WIN32)
HANDLE pHandle;
PROCESS_MEMORY_COUNTERS pmc;
SIZE_T workingSize = 0;
pHandle = GetCurrentProcess();
if (GetProcessMemoryInfo(pHandle, &pmc, sizeof(pmc))){
workingSize = pmc.WorkingSetSize;
workingSize = workingSize / 1024;
}
CloseHandle(pHandle);
if(workingSize == 0){
return -1;
}else{
return (int)workingSize;
}
#else
char *temp, *p = NULL;
FILE *file = NULL;
size_t rd = 0;
int rozmiar = 0, unmres;
struct utsname sys;
unmres = uname(&sys);
temp = g_strdup_printf("/proc/%d/status", getpid());
if ( (unmres != -1 && !strcmp(sys.sysname, "FreeBSD")) || (file = fopen(temp,"rb")) ) {
g_free(temp);
{
#ifdef __linux__
char buf[1024];
rd = fread(buf, 1, 1024, file);
fclose(file);
if (rd == 0)
{
return -1;
}
p = strstr(buf, "VmSize");
if (p) {
sscanf(p, "VmSize: %d kB", &rozmiar);
} else {
return -1;
}
#elif __sun
pstatus_t proc_stat;
rd = fread(&proc_stat, sizeof(proc_stat), 1, file);
fclose(file);
if (rd == 0)
{
return -1;
}
rozmiar = proc_stat.pr_brksize + proc_stat.pr_stksize;
#elif __FreeBSD__ /* link with -lkvm */
char errbuf[_POSIX2_LINE_MAX];
int nentries = -1;
struct kinfo_proc *kp;
static kvm_t *kd;
if (!(kd = kvm_openfiles(NULL /* "/dev/null" */, "/dev/null", NULL, /* O_RDONLY */0, errbuf))) {
return -1;
}
kp = kvm_getprocs(kd, KERN_PROC_PID, getpid(), &nentries);
if (!kp || nentries != 1) {
return -1;
}
#ifdef HAVE_STRUCT_KINFO_PROC_KI_SIZE
rozmiar = (u_long) kp->ki_size/1024; /* freebsd5 */
#else
rozmiar = kp->kp_eproc.e_vm.vm_map.size/1024; /* freebsd4 */
#endif /* HAVE_STRUCT_KINFO_PROC_KI_SIZE */
#else
/* no /proc mounted */
return -1;
#endif
}
} else {
return -1;
}
return rozmiar;
#endif /* (_WIN32) */
}
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