source-engine-2018-hl2_src/public/vstdlib/iprocessutils.h

65 lines
2.1 KiB
C
Raw Normal View History

2020-04-23 00:56:21 +08:00
//========= 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