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Re: busyloop in sigchld_handler
From: |
Eli Zaretskii |
Subject: |
Re: busyloop in sigchld_handler |
Date: |
Sun, 11 Mar 2007 23:51:57 +0200 |
> Date: Sun, 11 Mar 2007 17:17:05 -0400
> From: Sam Steingold <address@hidden>
> Cc: address@hidden
>
> > * 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.
Obviously, that's not what I asked. I asked how portable is the
behavior of the kernel that you described in the cited text.
- 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, 2007/03/11
- Re: busyloop in sigchld_handler,
Eli Zaretskii <=
- 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
- Re: busyloop in sigchld_handler, Sam Steingold, 2007/03/12