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bug#17561: Emacs can forget processes

From: Paul Eggert
Subject: bug#17561: Emacs can forget processes
Date: Fri, 23 May 2014 09:28:44 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

How was Emacs configured and built on your platform?  What's your platform?

Can you run the shell command 'strace -p' on an Emacs with the problem, and trace the system calls near the offending area?

Are you using anything involving SIGUSR1 or SIGUSR2? I see an unlikely race condition there.

That's part of the problem with this code: it's so racy that it seems that every time I look at it I find another unlikely race condition. I'm attaching a patch to emacs-24 for the unlikely races I found in a quick look at the area, not that I think it'll fix your problem. I haven't installed this.

Attachment: racy.patch
Description: Text document

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