GNU bug report logs - #17561
24.4.50; Emacs can forget processes

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Package: emacs;

Reported by: Jorgen Schaefer <contact <at> jorgenschaefer.de>

Date: Fri, 23 May 2014 15:54:02 UTC

Severity: normal

Tags: moreinfo

Merged with 17337, 17628

Found in version 24.4.50

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Jorgen Schaefer <forcer <at> forcix.cx>
Cc: 17561 <at> debbugs.gnu.org, Paul Eggert <eggert <at> cs.ucla.edu>
Subject: bug#17561: Emacs can forget processes
Date: Thu, 29 May 2014 21:15:35 +0200

Jorgen Schaefer <forcer <at> forcix.cx> writes:

> Line 4685 has a SIGCHLD. The next rt_sigprocmask that mentions CHLD is
> in line 4726, where SIGCHLD is in the oldset. It wasn't at 4714/4715.
> Huh? How did it get there?

31528 20:04:49.041423 --- SIGINT (Interrupt) @ 0 (0) ---
31528 20:04:49.041578 rt_sigprocmask(SIG_UNBLOCK, [INT], NULL, 8) = 0 <0.000016>
31528 20:04:49.044035 rt_sigprocmask(SIG_BLOCK, [WINCH IO], [QUIT ALRM CHLD PROF WINCH IO], 8) = 0 <0.000019>

It's the first time a SIGINT is received, and the first time the default
mask became non-empty.  That's because quit_throw_to_read_char doesn't
restore the signal mask.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
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This bug report was last modified 10 years and 351 days ago.

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