1
0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-30 19:23:07 +03:00
Files
mariadb-columnstore-engine/utils/winport/sysinfo.cpp
2022-02-11 12:24:40 +00:00

95 lines
2.7 KiB
C++

/* Copyright (C) 2014 InfiniDB, Inc.
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; version 2 of
the License.
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 the various windows libraries for compile */
// Don't include half the development libraries into the bot, they're not needed
#define WIN32_LEAN_AND_MEAN
// Stop windows.h from including winsock.h since winsock.h and winsock2.h are incompatible
#define _WINSOCKAPI_
#include <windows.h>
#include <TlHelp32.h>
#include "sysinfo.h"
// Since windows doesn't seem to have a simple "Number of current processes" available
// we'll just have to make our own >:(
inline int GetProcessList()
{
HANDLE hProcessSnap;
PROCESSENTRY32 pe32;
long Processes = 0;
// Snapshot the current processes and make sure it's valid
hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if (hProcessSnap == INVALID_HANDLE_VALUE)
return Processes;
// Set the size of the structure before using it.
pe32.dwSize = sizeof(PROCESSENTRY32);
// Retrieve information about the first process,
// and exit if unsuccessful
if (!Process32First(hProcessSnap, &pe32))
{
CloseHandle(hProcessSnap); // clean the snapshot object
return Processes;
}
// Count the total number of processes
do
{
Processes++;
} while (Process32Next(hProcessSnap, &pe32));
CloseHandle(hProcessSnap);
return Processes;
}
int sysinfo(struct sysinfo* info)
{
SYSTEM_INFO si;
MEMORYSTATUSEX statex;
ZeroMemory(&si, sizeof(SYSTEM_INFO));
statex.dwLength = sizeof(statex);
GetSystemInfo(&si);
if (!GlobalMemoryStatusEx(&statex))
return -1;
// System Uptime
info->uptime = GetTickCount64() / 1000 % 60;
// Load times - windows does not have this so say -1 or 0 or nothing basically
info->loads[0] = -1;
info->loads[1] = -1;
info->loads[2] = -1;
// Ram usages - note that these may not be exact to what linux has
info->freeram = statex.ullAvailPhys;
info->freeswap = statex.ullAvailVirtual;
info->sharedram = 0;
info->totalram = statex.ullTotalPhys;
info->bufferram = statex.ullTotalPageFile;
info->totalswap = statex.ullTotalVirtual;
// Processes
info->procs = GetProcessList();
return 0;
}