c++释放进程所占内存--快速释放内存

 

参考http://madcloudsong.com/articles/138中的方法

//此处只处理了32位的进程

#include
#pragma comment (lib,"psapi.lib")
//提升权限
void VengConfig::AdjustTokenPrivilegesForNT()
  {
      HANDLE hToken;
      TOKEN_PRIVILEGES tkp;

      OpenProcessToken(GetCurrentProcess(),
          TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);

      LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &tkp.Privileges[0].Luid);

      tkp.PrivilegeCount = 1;
      tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

      AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, (PTOKEN_PRIVILEGES)NULL, 0);
  }
//执行快速清理，这里只清理了自身，如想释放所有内存，则枚举所有进程，然后释放
  BOOL VengConfig::EmptyCurrentProcMemory(void)
  {
      DWORD dwProcessId = GetCurrentProcessId();
      HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS,TRUE,dwProcessId);
      if(hProcess)
      {
          SetProcessWorkingSetSize(hProcess,-1,-1);

          EmptyWorkingSet(hProcess);
          CloseHandle(hProcess);
          return TRUE;
      }
      return FALSE;
  }