2016-01-11 19:27



I am running a webapplication on Windows Server 2012 and have to run an endless loop in a PHP file. In order to control this, I created two batch files.

The PHP file:

    while(true) { 

BatchFile that calls the PHP file:

TITLE WatchdogStarterBATCH

php "%~dp0watchdog.php"
timeout 5

Batchfile 2


:: Detect whether program is running
for /f "tokens=2 delims=," %%P in ('tasklist /v /fo csv ^| findstr /i "WatchdogStarterBATCH"') do set pid=%%~P

IF [%pid%] == [] (
:: Program not running, trying to restart
start "WatchdogStarterBATCH" "%~dp0WatchdogStarter.bat"
timeout 5
GOTO rerun
) ELSE (
:: Program is running
GOTO end

:: Check whether program is running now
for /f "tokens=2 delims=," %%P in ('tasklist /v /fo csv ^| findstr /i "WatchdogStarterBATCH"') do set pid=%%~P

IF [%pid%] == [] (
:: Restart failed, log to database
php "%~dp0WatchdogErrorLogger.php"
) ELSE (
:: Restart successful, log to database
php "%~dp0WatchdogWarningLogger.php"
GOTO end

echo Done.
timeout 5

Batchfile 2 is called by the Task Scheduler and then calles WatchdogStarter.bat as you can see. It tries to give this service a name, so that it can find it later in the tasklist.

Things I tried:

  1. Run batfile2 from command line and check if i can find it the string "WatchdogStarterBATCH" in the tasklist. I was able to find it, so that works.
  2. Try assigning a name in the 'start' command I used, but that did not help.
  3. Try assigning a name in the first batch file with 'TITLE', but that did not help.
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  • doumu6997 doumu6997 5年前

    This is vbs.

    Set WshShell = WScript.CreateObject("WScript.Shell")
    Set objWMIService = GetObject("winmgmts:\\.oot\CIMV2") 
    Set objEvents = objWMIService.ExecNotificationQuery _
        ("SELECT * FROM Win32_ProcessStopTrace")
        Set objReceivedEvent = objEvents.NextEvent
        msgbox objReceivedEvent.ProcessName
        If lcase(objReceivedEvent.ProcessName) = lcase("Notepad.exe") then 
            Msgbox "Process exited with exit code " & objReceivedEvent.ExitStatus
            WshShell.Run "c:\Windows
    otepad.exe", 1, false
        End If

    What it does it waits for a program to exit (all programs) and if notepad (in the example) restarts it. You'd check for php.exe or whatever it's called.

    Or use the following to get the command line and check by PID.

    Set objWMIService = GetObject("winmgmts:{impersonationLevel=impersonate}!\\.oot\cimv2")
    Set colItems = objWMIService.ExecQuery("Select * From Win32_Process")
    For Each objItem in colItems
        msgbox objItem.ProcessID & " " & objItem.CommandLine

    Use Instr to check for your PHP filename in command line and store the PID.

    This would also work

    Set WshShell = WScript.CreateObject("WScript.Shell")
        Return = WshShell.Run("notepad " & WScript.ScriptFullName, 0, true)

    It starts notepad and waits for it to exit, then starts it again forever.

    The same technique in batch

    start "" /w notepad.exe
    Goto ALabel 
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