Re: [Boost-users] [thread] Is a call to interrupt_all blocking?

Subject: Re: [Boost-users] [thread] Is a call to interrupt_all blocking?
From: Anthony Williams (anthony.ajw_at_[hidden])
Date: 2010-01-27 04:30:18

Geoff Shapiro <gshapiro_at_[hidden]> writes:

> Anthony Williams <anthony.ajw <at> gmail.com> writes:
>
>> interrupt_all is not blocking. However, there is currently a bug in
>> interruption on pthreads which means threads can miss interruptions
>> if they get a spurious condition variable wake at the wrong time.
>> Since interruption causes spurious wakes for other threads waiting on
>> the same cv this is particularly a problem for interrupt_all.
>
> Anthony, what is the schedule, if any, for getting a fix for the bug
> you refer to? The project I am currently working on, in development
> within a win32 environment, but soon to be ported to a VxWorks/PPC
> (using pthreads) environment does use interruption facilities. If this
> will be a problem for us, let's say not fixed up within the next 6 months,
> then I'll have to utilize alternate schemes.

I have an idea on how to fix it; I just need to find the time to try it out. 

Anthony
-- 
Author of C++ Concurrency in Action     http://www.stdthread.co.uk/book/
just::thread C++0x thread library             http://www.stdthread.co.uk
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