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Subject: Re: [boost] [Boost-users] Brainstorming [WAS: Subject: Formal Review of Proposed Boost.Process library starts tomorrow]
From: Oliver Kowalke (k-oli_at_[hidden])
Date: 2011-02-14 15:50:49
Am 14.02.2011 21:14, schrieb Jeremy Maitin-Shepard:
> SIGCHLD handler will repeatedly invoke waitpid(-1, &status, WNOHANG |
> WUNTRACED | WCONTINUED), and then invoke any registered handlers.
why polling - it waists CPU cycles?
I expect that the thread waiting for child processes state change blocks
(gets suspended) until it is notified by the kernel that something has
happened.
other worker-thread do other stuff like communicating with other process
etc.
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