1

public/vstdlib/iprocessutils.h

@@ -0,0 +1,64 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//===========================================================================//
+
+#ifndef IPROCESSUTILS_H
+#define IPROCESSUTILS_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "appframework/IAppSystem.h"
+
+
+//-----------------------------------------------------------------------------
+// Handle to a process
+//-----------------------------------------------------------------------------
+typedef int ProcessHandle_t;
+enum
+{
+	PROCESS_HANDLE_INVALID = 0,
+};
+
+
+//-----------------------------------------------------------------------------
+// Interface version
+//-----------------------------------------------------------------------------
+#define PROCESS_UTILS_INTERFACE_VERSION "VProcessUtils001"
+
+
+//-----------------------------------------------------------------------------
+// Interface for makefiles to build differently depending on where they are run from
+//-----------------------------------------------------------------------------
+abstract_class IProcessUtils : public IAppSystem
+{
+public:
+	// Starts, stops a process
+	virtual ProcessHandle_t StartProcess( const char *pCommandLine, bool bConnectStdPipes ) = 0;
+	virtual ProcessHandle_t StartProcess( int argc, const char **argv, bool bConnectStdPipes ) = 0;
+	virtual void CloseProcess( ProcessHandle_t hProcess ) = 0;
+	virtual void AbortProcess( ProcessHandle_t hProcess ) = 0;
+
+	// Returns true if a process is complete
+	virtual bool IsProcessComplete( ProcessHandle_t hProcess ) = 0;
+
+	// Waits until a process is complete
+	virtual void WaitUntilProcessCompletes( ProcessHandle_t hProcess ) = 0;
+
+	// Methods used to write input into a process
+	virtual int SendProcessInput( ProcessHandle_t hProcess, char *pBuf, int nBufLen ) = 0;
+
+	// Methods used to read	output back from a process
+	virtual int GetProcessOutputSize( ProcessHandle_t hProcess ) = 0;
+	virtual int GetProcessOutput( ProcessHandle_t hProcess, char *pBuf, int nBufLen ) = 0;
+	
+	// Returns the exit code for the process. Doesn't work unless the process is complete
+	virtual int GetProcessExitCode( ProcessHandle_t hProcess ) = 0;
+};
+
+
+#endif // IPROCESSUTILS_H