Re: Thread crash in destructor

From: Juan Ramírez (jramirez.uy_at_[hidden])
Date: 2021-10-07 19:06:18

The behavior changed in BOOST_THREAD_VERSION 3 (which is default in 
boost 1.77). Are you sure detach() and join() do not help?

Can you provide a call stack?

On 10/7/21 06:09, Alexander Carôt via Boost-users wrote:
> Hi all,
> 
> I had been using an old boost system and boost thread lib for a couple of years without upgrading it since approx. 2014. With this old lib the following (simplified) code works fine on OSX:
> 
> #include "test.h"
> 
> test::test() {
>      boost::thread::attributes attrs;
> 
>      /// START TRACEROUTE THREAD
>      #if defined(BOOST_THREAD_PLATFORM_WIN32)
>          res =
>          SetThreadPriority(attrs.native_handle(), THREAD_PRIORITY_NORMAL);
>      #elif defined(BOOST_THREAD_PLATFORM_PTHREAD)
>          pthread_attr_setschedpolicy(attrs.native_handle(), SCHED_FIFO);
>      #endif
>      tracerouteThread = boost::thread(
>          attrs, boost::bind(&test::performTraceroute, this));
> }
> 
> void test::performTraceroute() {
>      cout << "START TRACEROUTE" << endl;
> 
>      string exec = "";
>      cout << "DO FURTHER STUFF BUT THIS IS JUST A DEMO ..." << endl;
>      cout << "THREAD OVER" << endl;
> }
> 
> Using the current boost 1_77 still does execute the thread but then it crashes within the destructor. Adding
> 
> tracerouteThread.join() or .detach() after launching the thread does not help either.
> 
> Can anyone help how to resolve this issue ?
> 
> Thanks a lot in advance,
> best
> 
> Alex
> 
> --
> http://www.carot.de
> Email : Alexander_at_[hidden]
> Tel.: [phone]
> 
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