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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.
racy.patch
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