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Article #11622Re: WaitForMultipleObjects in TThread
From: Kristoffer Persson
Date: Mon, 02 Feb 2004 08:15
Date: Mon, 02 Feb 2004 08:15
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"Charlie Page" <lissom@hotmail.com> wrote in message news:401c18c1@newsgroups.borland.com... > If you have a lot of threads that you want to terminate when the program > terminates this is the method that i use. > 1)Create an event (MyTerminateEvent). > 2)When a thread waits, always use WaitForMultipleObjects and include the > MyTerminateEvent. > 3)In the main form's destructor (the the projects .cpp file, if > necessary) signal the event and then wait for the threads to terminate. > MyThread.WaitFor for a TThreadObject. > (I have a thread holder class that does this, and you will need to use a > similar construct if you create a lot of nameless threads. There is a > counter that the threads increment/decrement on > creation/end_of_processing[threads memory may not be deallocated at end > of CPU time]. When the counter reaches zero, all threads have quit and > the program can too.) > > charlie This looks like a good idea, but my threads usually wait in a GetMessage call. Maybe a combination would be best, where I set an event and send a message to the threads. Then it would work for both GetMessage and WaitForMultipleObjects. - Kristoffer - PS. Charlie: Do you have a nice way to find out if a thread is dead/freezed in your thread holder class?
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10cc67,2e632a3799f22e8b X-Google-Attributes: gid10cc67,public X-Google-ArrivalTime: 2004-02-02 00:39:31 PST From: "Kristoffer Persson" <no@email> Newsgroups: borland.public.cppbuilder.nativeapi References: <40191ff7$1@newsgroups.borland.com> <1075389099.199618@post.sympatec.net> <401a0744$1@newsgroups.borland.com> <401c18c1@newsgroups.borland.com> Subject: Re: WaitForMultipleObjects in TThread Date: Mon, 2 Feb 2004 09:15:32 +0100 Lines: 30 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 NNTP-Posting-Host: 193.15.214.81 Message-ID: <401e070a@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1075709706 193.15.214.81 (2 Feb 2004 00:15:06 -0800) Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail