[common] Add util class

Source/Common/Common.vcproj

@@ -185,6 +185,10 @@
 				RelativePath="Trace.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\Util.cpp"
+				>
+			</File>
 		</Filter>
 		<Filter
 			Name="Header Files"
@@ -246,6 +250,10 @@
 				RelativePath="TraceDefs.h"
 				>
 			</File>
+			<File
+				RelativePath=".\Util.h"
+				>
+			</File>
 		</Filter>
 	</Files>
 	<Globals>

Source/Common/Common.vcxproj

@@ -45,6 +45,7 @@
     </ClCompile>
     <ClCompile Include="SyncEvent.cpp" />
     <ClCompile Include="Trace.cpp" />
+    <ClCompile Include="Util.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="CriticalSection.h" />
@@ -61,5 +62,6 @@
     <ClInclude Include="SyncEvent.h" />
     <ClInclude Include="Trace.h" />
     <ClInclude Include="TraceDefs.h" />
+    <ClInclude Include="Util.h" />
   </ItemGroup>
 </Project>

Source/Common/Common.vcxproj.filters

@@ -44,6 +44,9 @@
     <ClCompile Include="SyncEvent.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="Util.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="CriticalSection.h">
@@ -88,5 +91,8 @@
     <ClInclude Include="SyncEvent.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="Util.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

Source/Common/Util.cpp

@@ -0,0 +1,61 @@
+#include "stdafx.h"
+#include "Util.h"
+#include <Tlhelp32.h>
+
+void pjutil::Sleep(uint32_t timeout)
+{
+    ::Sleep(timeout);
+}
+
+bool pjutil::TerminatedExistingExe()
+{
+    bool bTerminated = false;
+    bool AskedUser = false;
+    DWORD pid = GetCurrentProcessId();
+
+    HANDLE nSearch = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+    if (nSearch != INVALID_HANDLE_VALUE)
+    {
+        PROCESSENTRY32 lppe;
+
+        memset(&lppe, 0, sizeof(PROCESSENTRY32));
+        lppe.dwSize = sizeof(PROCESSENTRY32);
+        stdstr ModuleName = CPath(CPath::MODULE_FILE).GetNameExtension();
+
+        if (Process32First(nSearch, &lppe))
+        {
+            do
+            {
+                if (_stricmp(lppe.szExeFile, ModuleName.c_str()) != 0 ||
+                    lppe.th32ProcessID == pid)
+                {
+                    continue;
+                }
+                if (!AskedUser)
+                {
+                    AskedUser = true;
+                    int res = MessageBox(NULL, stdstr_f("%s currently running\n\nTerminate pid %d now?", ModuleName.c_str(), lppe.th32ProcessID).c_str(), stdstr_f("Terminate %s",ModuleName.c_str()).c_str(), MB_YESNO | MB_ICONEXCLAMATION);
+                    if (res != IDYES)
+                    {
+                        break;
+                    }
+                }
+                HANDLE hHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, lppe.th32ProcessID);
+                if (hHandle != NULL)
+                {
+                    if (TerminateProcess(hHandle, 0))
+                    {
+                        bTerminated = true;
+                    }
+                    else
+                    {
+                        MessageBox(NULL, stdstr_f("Failed to terminate pid %d", lppe.th32ProcessID).c_str(), stdstr_f("Terminate %s failed!",ModuleName.c_str()).c_str(), MB_YESNO | MB_ICONEXCLAMATION);
+                    }
+                    CloseHandle(hHandle);
+                }
+            } while (Process32Next(nSearch, &lppe));
+        }
+        CloseHandle(nSearch);
+    }
+    return bTerminated;
+}

Source/Common/Util.h

@@ -0,0 +1,14 @@
+#pragma once
+#include "stdtypes.h"
+
+class pjutil
+{
+public:
+    static void Sleep(uint32_t timeout);
+    static bool TerminatedExistingExe();
+
+private:
+    pjutil(void);                       // Disable default constructor
+    pjutil(const pjutil&);              // Disable copy constructor
+    pjutil& operator=(const pjutil&);   // Disable assignment
+};