C++博客-persistence-随笔分类-OShttp://www.cppblog.com/liangbo/category/1186.htmlSoftware Architecturezh-cnWed, 21 May 2008 01:00:40 GMTWed, 21 May 2008 01:00:40 GMT60利用信号量机制来完成 防止一个程序被多次运行 的代码http://www.cppblog.com/liangbo/archive/2006/08/30/11866.htmlboboWed, 30 Aug 2006 12:48:00 GMThttp://www.cppblog.com/liangbo/archive/2006/08/30/11866.htmlhttp://www.cppblog.com/liangbo/comments/11866.htmlhttp://www.cppblog.com/liangbo/archive/2006/08/30/11866.html#Feedback1http://www.cppblog.com/liangbo/comments/commentRss/11866.htmlhttp://www.cppblog.com/liangbo/services/trackbacks/11866.html#include <iostream.h>
int main(int argc, char* argv[])
{
 HANDLE hMutex=CreateMutex(NULL,TRUE,"test");
 if (hMutex)
 {
  if (ERROR_ALREADY_EXISTS==GetLastError())
  {
   MessageBox(NULL,"already running","",MB_OK);
   return 0;
  }
 }
 while (1)
 {
 }
 
 return 0;
}


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