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Re: busyloop in sigchld_handler
From: |
Sam Steingold |
Subject: |
Re: busyloop in sigchld_handler |
Date: |
Sun, 11 Mar 2007 17:17:05 -0400 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.95 (gnu/linux) |
> * Eli Zaretskii <address@hidden> [2007-03-11 23:14:01 +0200]:
>
>> From: Sam Steingold <address@hidden>
>> Date: Sun, 11 Mar 2007 17:06:07 -0400
>>
>> > But can you explain why it works?
>>
>> wait3 is a system call, which, when invoked in a loop, prevents the
>> kernel from doing anything else (in this case, sending SIGCHLD to
>> emacs). sleep allows the kernel some time to pass the signal.
>
> So how portable is this trick?
sleep is in POSIX.
--
Sam Steingold (http://sds.podval.org/) on Fedora Core release 6 (Zod)
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WHO ATE MY BREAKFAST PANTS?
- busyloop in sigchld_handler, Sam Steingold, 2007/03/11
- Re: busyloop in sigchld_handler, Kim F. Storm, 2007/03/11
- Re: busyloop in sigchld_handler, Sam Steingold, 2007/03/11
- Re: busyloop in sigchld_handler, Eli Zaretskii, 2007/03/11
- Re: busyloop in sigchld_handler,
Sam Steingold <=
- Re: busyloop in sigchld_handler, Eli Zaretskii, 2007/03/11
- Re: busyloop in sigchld_handler, Sam Steingold, 2007/03/11
- Re: busyloop in sigchld_handler, Richard Stallman, 2007/03/12
- Re: busyloop in sigchld_handler, David Kastrup, 2007/03/12
- Re: busyloop in sigchld_handler, Richard Stallman, 2007/03/12
- Re: busyloop in sigchld_handler, Andreas Schwab, 2007/03/11
- Re: busyloop in sigchld_handler, Kim F. Storm, 2007/03/11
- Re: busyloop in sigchld_handler, Andreas Schwab, 2007/03/12
- Re: busyloop in sigchld_handler, Sam Steingold, 2007/03/12
- Re: busyloop in sigchld_handler, Andreas Schwab, 2007/03/12