Date: Tue, 1 Mar 2005 21:53:29 +0100 From: Peter Schuller <peter.schuller@infidyne.com> To: Jonathon McKitrick <jcm@FreeBSD-uk.eu.org> Cc: freebsd-questions@freebsd.org Subject: Re: Blocking on multiple threads with timeout Message-ID: <20050301205328.GA22912@scode-whitestar.mine.nu> In-Reply-To: <20050227190842.GC34795@dogma.freebsd-uk.eu.org> References: <20050227190842.GC34795@dogma.freebsd-uk.eu.org>
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> I have a few threads that might need as long as a minute or more to > complete and terminate. If they exceed an arbitrary time, they can be > canceled. > > In Win32, there is a 'wait on multiple objects' call. I'm not sure if it > blocks or spins, but it *does* take a timeout argument. How about having the threads signal their completion explicitly while also signalling a condition. You could then have a monitoring thread using pthread_cond_timedwait() which would enable you to time out without busy-waiting. Cleanly killing the thread in question is another matter though... -- / Peter Schuller, InfiDyne Technologies HB PGP userID: 0xE9758B7D or 'Peter Schuller <peter.schuller@infidyne.com>' Key retrieval: Send an E-Mail to getpgpkey@scode.org E-Mail: peter.schuller@infidyne.com Web: http://www.scode.org
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