阅读目录

• 系统程序测试

  

• 将timer加入环境变量

  这里仅进行了临时变量修改。

  

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Windows

在Windows下进行父子进程的创建和管理在api调用上相较Linux有一定难度，但实际上在使用管理上比Linux容易的多。

CreateProcess

#include <Windows.h> BOOL CreateProcessA(   LPCSTR                lpApplicationName,   LPSTR                 lpCommandLine,   LPSECURITY_ATTRIBUTES lpProcessAttributes,   LPSECURITY_ATTRIBUTES lpThreadAttributes,   BOOL                  bInheritHandles,   DWORD                 dwCreationFlags,   LPVOID                lpEnvironment,   LPCSTR                lpCurrentDirectory,   LPSTARTUPINFOA        lpStartupInfo,   LPPROCESS_INFORMATION lpProcessInformation );

源代码实现

timer程序

// 进程管理.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。 //  #include <iostream> #include <wchar.h> #include <Windows.h> #include <tchar.h> using namespace std;   void printTime(SYSTEMTIME* start, SYSTEMTIME* end); void newProcess(TCHAR* cWinDir, double duration);  int _tmain(int argc, TCHAR *argv[]) {     TCHAR* cWinDir = new TCHAR[MAX_PATH];     memset(cWinDir, sizeof(TCHAR) * MAX_PATH, 0);      printf("argc:   %d\n", argc);      int step = 1;     double duration = 0;     if (argc > 1)     {         if (argv[1][0] == TCHAR('-') && argv[1][1] == TCHAR('t') && argv[1][2] == TCHAR('\0'))         {             step = 3;             duration = atof((char*)argv[2]);         }     }     //printf("printf content start: %ls\n", argv[1]);     int j = 0;     for (int i = 0, h = 0; i < argc - step; i++)     {         wcscpy_s(cWinDir + j, MAX_PATH - j, argv[i + step]);         for (h = 0; argv[i + step][h] != TCHAR('\0'); h++);         j += h;         cWinDir[j++] = ' ';         //printf("%d : %d\n", i, j);         //printf("printf content start: %ls\n", cWinDir);     }     cWinDir[j - 2] = TCHAR('\0');     //printf("printf content start: %ls\n", cWinDir);      newProcess(cWinDir,duration);      return 0; }   void printTime(SYSTEMTIME* start, SYSTEMTIME* end) {     int hours = end->wHour - start->wHour;     int minutes = end->wMinute - start->wMinute;     int seconds = end->wSecond - start->wSecond;     int ms = end->wMilliseconds - start->wMilliseconds;     if (ms < 0)     {         ms += 1000;         seconds -= 1;     }     if (seconds < 0)     {         seconds += 60;         minutes -= 1