123

Editor/ProcessInfo.cpp

@@ -0,0 +1,77 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   processinfo.cpp
+//  Version:     v1.00
+//  Created:     13/5/2002 by Timur.
+//  Compilers:   Visual Studio.NET
+//  Description: 
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#include "StdAfx.h"
+#include "processinfo.h"
+
+#include "Psapi.h"
+
+typedef BOOL (*GetProcessMemoryInfoProc)(HANDLE, PPROCESS_MEMORY_COUNTERS, DWORD);
+
+static HMODULE									g_hPSAPI = 0;
+static GetProcessMemoryInfoProc g_pGetProcessMemoryInfo = 0;
+
+CProcessInfo::CProcessInfo(void)
+{
+}
+
+CProcessInfo::~CProcessInfo(void)
+{
+	UnloadPSApi();
+}
+
+void CProcessInfo::LoadPSApi()
+{
+	if (!g_hPSAPI)
+	{
+		g_hPSAPI = LoadLibrary("psapi.dll");
+
+		if (g_hPSAPI)
+		{
+			g_pGetProcessMemoryInfo = (GetProcessMemoryInfoProc)GetProcAddress(g_hPSAPI, "GetProcessMemoryInfo");
+		}
+	}
+}
+
+void CProcessInfo::UnloadPSApi()
+{
+	if (g_hPSAPI)
+	{
+		FreeLibrary(g_hPSAPI);
+		g_hPSAPI = 0;
+		g_pGetProcessMemoryInfo = 0;
+	}
+}
+
+void CProcessInfo::QueryMemInfo( ProcessMemInfo &meminfo )
+{
+	if (!g_pGetProcessMemoryInfo)
+	{
+		memset(&meminfo, 0, sizeof(ProcessMemInfo));
+
+		return;
+	}
+
+	PROCESS_MEMORY_COUNTERS pc;
+	HANDLE hProcess = GetCurrentProcess();
+	pc.cb = sizeof(pc);
+	g_pGetProcessMemoryInfo( hProcess, &pc, sizeof(pc) );
+
+	meminfo.WorkingSet = pc.WorkingSetSize;
+	meminfo.PeakWorkingSet = pc.PeakWorkingSetSize;
+	meminfo.PagefileUsage = pc.PagefileUsage;
+	meminfo.PeakPagefileUsage = pc.PeakPagefileUsage;
+	meminfo.PageFaultCount = pc.PageFaultCount;
+}