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From: Alviro Iskandar Setiawan <alviro.iskandar@gnuweeb.org>
Date: Sat, 29 Oct 2022 02:44:17 +0700
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Subject: Re: [PATCH v1 2/2] daemon: telegram: Handle MySQL error
To: Muhammad Rizki <kiizuha@gnuweeb.org>
Cc: Ammar Faizi <ammarfaizi2@gnuweeb.org>, "GNU/Weeb Mailing List" <gwml@vger.gnuweeb.org>
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On Sat, Oct 29, 2022 at 2:39 AM Muhammad Rizki wrote:
> Which function?

remove_patch().

> if __send_mail() yeah it only once called, the
> remove_patch() doesn't called once.

That's literally a hole. The problem is remove_patch() may be called
asynchronously together with a job that doesn't hold the mutex.

  - job_a is still using the file
  - job_b doesn't know anything about job_a, but it removes all files
blindly. job_b doesn't know anything about mutex in job_a.

-- Viro