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| From | Alexander Terekhov <terekhov@web.de> |
| Newsgroups | comp.programming.threads |
| Subject | Re: can pthread_mutex_trylock() give up the timeslice? |
| Date | Fri, 14 Oct 2011 11:50:07 +0200 |
| Organization | A noiseless patient Spider |
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Brendon wrote: > > **context** > I am working on a bit of code, where a thread has a queue of work to > do and as it is starting to run out of work it asks for more work. > This process of asking for more work requires a lock on a common task > queue. However because the thread asks for more before running out if > the thread is unable to obtain the lock it will continue doing more > work and ask again in a little while. This right now uses a > pthread_mutex_trylock() > > If the thread runs out of work completely it blocks waiting for the > lock as there is nothing more it can do and that just uses > pthread_mutex_lock(). > > **question** > My question is (i cant seem to find the definitive answer anywhere), > is it POSSIBLE that pthread_mutex_trylock() can give up the current > timeslice? If you are not running in a hard realtime environment, a thread can give up the current timeslice at any time. regards, alexander.
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can pthread_mutex_trylock() give up the timeslice? Brendon <brendon.j.costa@gmail.com> - 2011-10-13 16:05 -0700
Re: can pthread_mutex_trylock() give up the timeslice? Alexander Terekhov <terekhov@web.de> - 2011-10-14 11:50 +0200
Re: can pthread_mutex_trylock() give up the timeslice? Joshua Maurice <joshuamaurice@gmail.com> - 2011-10-14 13:43 -0700
Re: can pthread_mutex_trylock() give up the timeslice? Brendon <brendon.j.costa@gmail.com> - 2011-10-14 16:56 -0700
Re: can pthread_mutex_trylock() give up the timeslice? Alexander Terekhov <terekhov@web.de> - 2011-10-15 13:53 +0200
Re: can pthread_mutex_trylock() give up the timeslice? David Schwartz <davids@webmaster.com> - 2011-10-15 21:41 -0700
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