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bug#17561: Emacs can forget processes


From: Andreas Schwab
Subject: bug#17561: Emacs can forget processes
Date: Thu, 29 May 2014 21:15:35 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.91 (gnu/linux)

Jorgen Schaefer <address@hidden> 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, address@hidden
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