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From: Chong Yidong <cyd@stupidchicken.com>
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Subject: Re: busyloop in sigchld_handler
Date: Wed, 28 Mar 2007 11:19:03 -0400
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Cc: emacs-devel@gnu.org
To: storm@cua.dk (Kim F. Storm)
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Xref: news.gmane.org gmane.emacs.devel:68712
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/68712>

> Do all platforms have usleep ?

usleep is not in POSIX, so we can't assume it exists.

> Otherwise, we need a check in configure and use
>
> #ifdef HAVE_USLEEP
>     usleep(1000);
> #endif

... or we could use nanosleep, which is in POSIX.