Re: busyloop in sigchld_handler

[Sam Steingold]

> * Kim F. Storm <address@hidden> [2007-03-11 20:39:25 +0100]:
>
> Sam Steingold <address@hidden> writes:
>
> Absolutely brilliant!  I can confirm that it works.

Thanks!

> 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.


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