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Re: [Corelinux-develop] ChangeLog and Feature/Defect fixes
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From: Hans - D. <dul...@eg...> - 2000-09-10 01:47:04
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On Sat, 9 Sep 2000, Frank V. Castellucci wrote: > Date: Sat, 09 Sep 2000 18:33:18 -0400 > From: Frank V. Castellucci <fr...@co...> > Reply-To: cor...@li... > To: cor...@li... > Subject: Re: [Corelinux-develop] ChangeLog and Feature/Defect fixes > > Ok, couple of things: > > 1. I change the listener counters in EventSemaphore to type Counter > (which is signed) from Count (which is unsigned). I did not know we have both Count and Counter. > 2. I wrapped the include <sys/sem.h> in extern "C" > > So the code looks good there, but, question, and if you already answered > this I'm sorry: > > Given the scenario where I have two listeners and (obviously) one > controller > > 1. The controller creates the semaphore and it is locked > 2. The listeners come in and block on the wait (wait(0)) > 3. The controller releases the semaphore > 4. The listeners, in a tight loop, come right back in and try to block > again > > Because the controller has released but not regained the control (-1), > this will mean that the listeners will behave as though they got another > event, while in actuality they haven't, correct? > You are correct. What respond should the listener get when it try to block on unlock semaphore. > > Hans - Dulimarta wrote: > > > > On Sat, 9 Sep 2000, Frank V. Castellucci wrote: > > > > > Date: Sat, 09 Sep 2000 07:56:55 -0400 > > > From: Frank V. Castellucci <fr...@co...> > > > Reply-To: cor...@li... > > > To: CoreLinux Development <cor...@li...> > > > Subject: [Corelinux-develop] ChangeLog and Feature/Defect fixes > > > > > > I have started marking defects/features "Closed" with appropriate > > > resolution as they are handled. I am keeping ChangeLog up-to-date on a > > > regular basis. > > > > > > This will reduce the amount of work required at release time, which has > > > grown exponentially between packages and the SourceForge changes (ugh). > > > > > > > I have checked in EventSemaphore and EventSemaphoreGroup, but not the test > > suite. Frank, I need your help to write an example/test code. > > > > Also, I fixed the bug 113103 by declaring the struct semun when > > _SEM_SEMUN_UNDEFINED_ is defined. I have tested using egcs-1.1.2 on my > > RedHat 6.2. The bug submitter compiled the code under Debian 2.1. I hope > > it does not make any difference. > > > > -- > > Hans Dulimarta, Ph.D. dul...@co... > > P: 517-432-7589 http://www.egr.msu.edu/~dulimart > > F: 760-281-7691 http://corelinux.sourceforge.net > > Elec. & Comp. Engg., Mich. State Univ., E. Lansing, MI 48824 > > > > _______________________________________________ > > Corelinux-develop mailing list > > Cor...@li... > > http://lists.sourceforge.net/mailman/listinfo/corelinux-develop > > -- Hans Dulimarta, Ph.D. dul...@co... P: 517-432-7589 http://www.egr.msu.edu/~dulimart F: 760-281-7691 http://corelinux.sourceforge.net Elec. & Comp. Engg., Mich. State Univ., E. Lansing, MI 48824 |
