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comp / comp.lang.python / Re: How to stop a specific thread in Python 2.7?

SubjectAuthor
* How to stop a specific thread in Python 2.7?marc nicole
`* Re: How to stop a specific thread in Python 2.7?Stefan Ram
 `- Re: How to stop a specific thread (Posting On Python-List Prohibited)Lawrence D'Oliveiro

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Subject: How to stop a specific thread in Python 2.7?
From: marc nicole
Newsgroups: comp.lang.python
Date: Wed, 25 Sep 2024 17:24 UTC
References: 1
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From: mk1853387@gmail.com (marc nicole)
Newsgroups: comp.lang.python
Subject: How to stop a specific thread in Python 2.7?
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Hello guys,

I want to know how to kill a specific running thread (say by its id)

for now I run and kill a thread like the following:
# start thread
thread1 = threading.Thread(target= self.some_func(), args=( ...,), )
thread1.start()
# kill the thread
event_thread1 = threading.Event()
event_thread1.set()

I know that set() will kill all running threads, but if there was thread2
as well and I want to kill only thread1?

Thanks!

Subject: Re: How to stop a specific thread in Python 2.7?
From: Stefan Ram
Newsgroups: comp.lang.python
Organization: Stefan Ram
Date: Wed, 25 Sep 2024 17:39 UTC
References: 1
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From: ram@zedat.fu-berlin.de (Stefan Ram)
Newsgroups: comp.lang.python
Subject: Re: How to stop a specific thread in Python 2.7?
Date: 25 Sep 2024 17:39:37 GMT
Organization: Stefan Ram
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marc nicole <mk1853387@gmail.com> wrote or quoted:
>I want to know how to kill a specific running thread (say by its id)

Killing or stopping a thread can cause data corruption and
unpredictable behavior. It's better to use a more chill
approach like setting a flag to let the thread know when to
wrap it up and exit gracefully. If you really need to terminate
something abruptly, go for a process instead of a thread.

Subject: Re: How to stop a specific thread (Posting On Python-List Prohibited)
From: Lawrence D'Oliv
Newsgroups: comp.lang.python
Organization: A noiseless patient Spider
Date: Wed, 25 Sep 2024 21:42 UTC
References: 1 2
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From: ldo@nz.invalid (Lawrence D'Oliveiro)
Newsgroups: comp.lang.python
Subject: Re: How to stop a specific thread (Posting On Python-List Prohibited)
Date: Wed, 25 Sep 2024 21:42:10 -0000 (UTC)
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On 25 Sep 2024 17:39:37 GMT, Stefan Ram wrote:

> Killing or stopping a thread can cause data corruption and
> unpredictable behavior.

Interesting that even the underlying POSIX thread-terminating call
<https://manpages.debian.org/3/pthread_cancel.3.en.html> allows for the
concept of “cancellation points”, so that threads can elect to only be
terminated at well-defined points in their execution.

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