从批处理文件中,调用taskkill.exe后如何等待进程退出?

发布于 2024-12-11 09:06:40 字数 158 浏览 0 评论 0原文

我想编写一个批处理文件来更新正在运行的进程(常规应用程序)使用的 DLL。

为此,计划是停止该进程,将 DLL 复制到所需位置,然后重新启动该进程。

我知道我可以尝试使用 taskkill 终止进程。在我拍摄之后,如何确保该进程已经倒下并死亡?

I want to write a batch file that updates a DLL that is in use by a running process, a regular application.

To do this, the plan is to stop the process, copy the DLL to the required location, then restart the process.

I know I can try to kill a process with taskkill. How can I make sure the process has fallen over and died, after I shoot it?

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靖瑶 2024-12-18 09:06:40

这是我用过的。它是批处理文件中的子例程。

set tasklist=%windir%\System32\tasklist.exe
set taskkill=%windir%\System32\taskkill.exe

-------------------------------------------------------
:STOPPROC
    set wasStopped=0
    set procFound=0
    set notFound_result=ERROR:
    set procName=%1
    for /f "usebackq" %%A in (`%taskkill% /IM %procName%`) do (
      if NOT %%A==%notFound_result% (set procFound=1)
    )
    if %procFound%==0 (
      echo The process was not running.
      goto :EOF
    )
    set wasStopped=1
    set ignore_result=INFO:
:CHECKDEAD
    "%windir%\system32\timeout.exe" 3 /NOBREAK
    for /f "usebackq" %%A in (`%tasklist% /nh /fi "imagename eq %procName%"`) do (
      if not %%A==%ignore_result% (goto :CHECKDEAD)
    )
    goto :EOF
-------------------------------------------------------

要在批处理文件中使用它,请执行以下操作:

  call :STOPPROC notepad.exe

完整示例:

set tasklist=%windir%\System32\tasklist.exe
set taskkill=%windir%\System32\taskkill.exe

-------------------------------------------------------
:STOPPROC
    set wasStopped=0
    set procFound=0
    set notFound_result=ERROR:
    set procName=%1
    for /f "usebackq" %%A in (`%taskkill% /IM %procName%`) do (
      if NOT %%A==%notFound_result% (set procFound=1)
    )
    if %procFound%==0 (
      echo The process was not running.
      goto :EOF
    )
    set wasStopped=1
    set ignore_result=INFO:
:CHECKDEAD
    "%windir%\system32\timeout.exe" 3 /NOBREAK
    for /f "usebackq" %%A in (`%tasklist% /nh /fi "imagename eq %procName%"`) do (
      if not %%A==%ignore_result% (goto :CHECKDEAD)
    )
    goto :EOF
-------------------------------------------------------

:MAIN 

call :STOPPROC notepad.exe
call :STOPPROC Skype.exe

您会注意到所有行都包含破折号 - 当然,这不是批处理文件的合法语法。但是,由于使用了 GOTO 语句,这些行永远不会到达,因此永远不会评估语法。因此这些线路不是问题。

Here's what I used. It's a subroutine in a batch file.

set tasklist=%windir%\System32\tasklist.exe
set taskkill=%windir%\System32\taskkill.exe

-------------------------------------------------------
:STOPPROC
    set wasStopped=0
    set procFound=0
    set notFound_result=ERROR:
    set procName=%1
    for /f "usebackq" %%A in (`%taskkill% /IM %procName%`) do (
      if NOT %%A==%notFound_result% (set procFound=1)
    )
    if %procFound%==0 (
      echo The process was not running.
      goto :EOF
    )
    set wasStopped=1
    set ignore_result=INFO:
:CHECKDEAD
    "%windir%\system32\timeout.exe" 3 /NOBREAK
    for /f "usebackq" %%A in (`%tasklist% /nh /fi "imagename eq %procName%"`) do (
      if not %%A==%ignore_result% (goto :CHECKDEAD)
    )
    goto :EOF
-------------------------------------------------------

To use it from within a batch file, do like this:

  call :STOPPROC notepad.exe

Full example:

set tasklist=%windir%\System32\tasklist.exe
set taskkill=%windir%\System32\taskkill.exe

-------------------------------------------------------
:STOPPROC
    set wasStopped=0
    set procFound=0
    set notFound_result=ERROR:
    set procName=%1
    for /f "usebackq" %%A in (`%taskkill% /IM %procName%`) do (
      if NOT %%A==%notFound_result% (set procFound=1)
    )
    if %procFound%==0 (
      echo The process was not running.
      goto :EOF
    )
    set wasStopped=1
    set ignore_result=INFO:
:CHECKDEAD
    "%windir%\system32\timeout.exe" 3 /NOBREAK
    for /f "usebackq" %%A in (`%tasklist% /nh /fi "imagename eq %procName%"`) do (
      if not %%A==%ignore_result% (goto :CHECKDEAD)
    )
    goto :EOF
-------------------------------------------------------

:MAIN 

call :STOPPROC notepad.exe
call :STOPPROC Skype.exe

You'll notice lines that have all dashes - that's not a legal syntax for a batch file of course. But, those lines are never reached, because of the use of GOTO statements, so the syntax is never evaluated. Therefore those lines aren't a problem.

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