判断程序是否已经运行

来源：互联网发布：怎么更新网络电影编辑：程序博客网时间：2024/05/03 03:53

#include <stdio>

#if defined(WIN32)
#include "windows.h"
#include "wincon.h"
#include "stdlib.h"
#include "stdio.h"
#include "time.h"
#include "nb30.h"
#include "Tlhelp32.h"
#elif defined(SOLARIS)
#endif

bool hasRun (const char* name)
{
#if defined(WIN32)
DWORD id = GetCurrentProcessId();

PROCESSENTRY32 pe;
HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
pe.dwSize = sizeof(PROCESSENTRY32);
if (Process32First(hSnapshot, &pe))
{
while (Process32Next(hSnapshot, &pe))
{
   if (ACE_OS::strcasecmp(pe.szExeFile, name) == 0)
   {
     if (id != pe.th32ProcessID)
     {
       CloseHandle(hSnapshot);
       return true;
     }
   }
}
}

CloseHandle(hSnapshot);
return false;

#elif define(SOLARIS)
return false;
}

void main(void)
{
const char* prog = argv[0];
if (hasRun(prog))
{
printf("%s already has run!", prog);
}
else
{
printf("%s does not exist!", prog);
}
}