add RestartProgram

stepmania/src/StepMania.vcproj

@@ -998,6 +998,12 @@ cl /Zl /nologo /c verstub.cpp /Fo"$(IntDir)"\
 				<File
 					RelativePath="archutils\Win32\GotoURL.h">
 				</File>
+				<File
+					RelativePath="archutils\Win32\RestartProgram.cpp">
+				</File>
+				<File
+					RelativePath="archutils\Win32\RestartProgram.h">
+				</File>
 				<File
 					RelativePath=".\StepMania.ICO">
 				</File>

stepmania/src/archutils/Win32/RestartProgram.cpp

@@ -0,0 +1,29 @@
+#include "global.h"
+#include "RestartProgram.h"
+
+void Win32RestartProgram()
+{
+	TCHAR szFullAppPath[MAX_PATH];
+	GetModuleFileName(NULL, szFullAppPath, MAX_PATH);
+
+	// Launch StepMania
+	PROCESS_INFORMATION pi;
+	STARTUPINFO	si;
+	ZeroMemory( &si, sizeof(si) );
+	CreateProcess(
+		NULL,		// pointer to name of executable module
+		szFullAppPath,		// pointer to command line string
+		NULL,  // process security attributes
+		NULL,   // thread security attributes
+		false,  // handle inheritance flag
+		0, // creation flags
+		NULL,  // pointer to new environment block
+		NULL,   // pointer to current directory name
+		&si,  // pointer to STARTUPINFO
+		&pi  // pointer to PROCESS_INFORMATION
+	);
+
+	ExitProcess( 0 );
+
+	/* not reached */
+}

stepmania/src/archutils/Win32/RestartProgram.h

@@ -0,0 +1,6 @@
+#ifndef RESTART_PROGRAM_H
+#define RESTART_PROGRAM_H
+
+void Win32RestartProgram();
+
+#endif