Re: [boost] [thread] Assertion failed get_system_time_sentinel()

Subject: Re: [boost] [thread] Assertion failed get_system_time_sentinel()
From: Anthony Williams (anthony.ajw_at_[hidden])
Date: 2009-03-30 06:28:06

Filip Klasson <filkl784_at_[hidden]> writes:

> Hi,
>
> I get Assertion failed
> timed_lock(::boost::detail::get_system_time_sentinel()), file
> c:\boost\thread\win32\basic_timed_mutex.hpp, line 64.
>
> Code in basic_timed_mutex.hpp:
> void lock()
> {
>
> BOOST_VERIFY(timed_lock(::boost::detail::get_system_time_sentinel()));
> //Line 64
> }

That really is bizarre. Can you show a minimal example that demonstrates
the problem?

> Here is my code, i have marked where Assertion failed happends.
>
> boost::mutex::scoped_lock lock(_mutex);
> while(_queue.empty()) {
> _condition.wait(lock);
> }   //Assertion failed happends here.
> //Another thread is signaling the condition variable when an element is
> added to the _queue.

What is the lifetime of the various elements _mutex, _condition and
_queue? Is it possible that they have been destroyed by another thread?

Anthony
-- 
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