Process.h

[詳解]

// ----------------------------------------------------------------------------
 
#pragma once
 
#include "WindowsLibrary.h"
#include "Pipe.h"
 
namespace alt
{
    enum class Priority
    {
        Realtime = REALTIME_PRIORITY_CLASS,
 
        High = HIGH_PRIORITY_CLASS,
 
        AboveNormal = ABOVE_NORMAL_PRIORITY_CLASS,
 
        Normal = NORMAL_PRIORITY_CLASS,
 
        BelowNormal = BELOW_NORMAL_PRIORITY_CLASS,
 
        Idle = IDLE_PRIORITY_CLASS
    };
 
    class DLL_DECLSPEC Process : public WindowsLibrary
    {
    public:
        APIENTRY Process ();
 
        APIENTRY ~Process ();
 
        BOOL APIENTRY Create (
            LPCTSTR lpctszApplicationName,
            LPTSTR lptszCommandLine,
            LPCTSTR lpctszCurrentDirectory = NULL);
 
        DWORD APIENTRY Wait (DWORD dwTime = INFINITE) const;
 
        BOOL APIENTRY CreateAsUser ();
        BOOL APIENTRY CreateWithLogon ();
 
        DWORD APIENTRY GetExitCode () const;
 
        BOOL APIENTRY Terminate () const;
 
        VOID APIENTRY SetWindowInfo (
            DWORD dwX, DWORD dwY, DWORD dwWidth, DWORD dwHeight,
            WORD wShowWindow = SW_NORMAL);
 
        VOID APIENTRY SetConsoleInfo (
            DWORD dwX, DWORD dwY, DWORD dwWidth, DWORD dwHeight, DWORD dwXChars,
            DWORD dwYChars);
 
        VOID APIENTRY SetTitle (LPTSTR lptszConsoleTitle);
 
        HANDLE APIENTRY GetProcessHandle () const { return _pi.hProcess; };
 
        HANDLE APIENTRY GetStdIn () const { return _si.hStdInput; };
 
        HANDLE APIENTRY GetStdOut () const { return _si.hStdOutput; };
 
        HANDLE APIENTRY GetStdErr () const { return _si.hStdError; };
 
        BOOL APIENTRY SetPriority (Priority priority) const;
 
        DWORD APIENTRY Peek (LPVOID lpvBuf, DWORD dwSize) const;
 
        DWORD APIENTRY Read (LPVOID lpvBuf, DWORD dwSize) const;
 
        DWORD APIENTRY Write (LPVOID lpvBuf, DWORD dwSize) const;
 
    private:
        BOOL ConnectHandles ();
 
        PROCESS_INFORMATION _pi;
        STARTUPINFO         _si;
        Pipe                _pipeRead;
        Pipe                _pipeWrite;
        Pipe                _pipeError;
        DWORD               _dwCreationFlags;
    };
}