Thank you both for the help, joinable() seems to be exactly what I need :) Patrick On 8 October 2013 18:07, wrote:

Patrick Steele writes:

...

in order to test if a boost.thread is running I used timed_join as per

http://stackoverflow.com/questions/1667420/how-can-i-tell-reliably-if-a-boos... ,

...

which recommended that I should be able to call timed_join with a wait time of 0 ie bool isThreadRunning = ! m_Thread.timed_join( boost::get_system_time() ); I have just upgraded to boost 1.54 to see that this no longer appears to work and that the timed_join function is being deprecated. Can you tell me how I should now check whether a thread is running please?

In cases like this i use a flag that is set to "thread running" when its enters its run method and to "thread ended" when the thread leaves its run method; to signal a condition for another bookkeeper thread can be an option. All this depends on how accurate the answer has to be...

regards Christoph

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What do you suggest instead then? On 9 October 2013 14:22, TONGARI J wrote:

2013/10/9 Patrick Steele

...

Thank you both for the help, joinable() seems to be exactly what I need :)

I'm afraid not, a thread is still "joinable" after its end of execution, unless you "join" it.

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