site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=dtu4OmITicahCCQ0aa4xV1HQQZ5hgScE81bRnq4Rs9k=; b=Hj23+1TcLUIeW3GCRHVFTcNrSm6iWBoGedNqmA/cFxF4Ex/0uNvtn2ZfTTuMSsKkE5 YKhekxaJFTbesH0qOfN5FDsboui1SvMpUb19ZRUliQ4ihgJpTY0pLbKvJbXTpZy2xTuF mIrwMFcf+92lqLazHsdzcMncEF+IG5//Bzjp8= Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=eYVVZHowtb01E33K/batNCc9S6eQyj0hdytnj2C/6twS0yI88LbbeWw07Uy4qAjQsI pX0+VbkybUnIiKonw7EV2ypVSvymm2llj35bGyda8safDcRy23nfo2VH4ffVf9unQJ59 ckfiAHvcfiM82PG4FuduxjLGfJn3zYgmmmKek= maybe by clearing the descriptor or the timeout -> 0 On Tue, Dec 2, 2008 at 7:42 PM, Jamil Weatherbee <jamil@weatherbeecorporation.com> wrote:

This may be a simple one but I haven't figured it out.

Suppose you have a server that does (in pseudo code):

signal_handler () { if TERM signal then runserver = 0;

}

main () {

for (runserver=1;runserver;) { select (descriptors, timeout=1second);

do descriptor event based stuff; do periodic stuff;

}

exit gracefully;

}

Now if you send a TERM signal to this process but for whatever reason there is no activity on the file descriptors. Then the process will hang into the select() until a descriptor becomes ready. You would think that the 1 second should timeout and then it should exit gracefully (which is the intent).

It seems the best I can tell is that the select() call is getting restarted due to the signal but somehow it is restarted without the timeout.

Any easy solutions?

-Jamil

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