Re: Boost.asio. Crash in Tutorial Timer.5, "Synchronizing handlers in multithreaded programs"

Why didn't you try a newer version?  1.65 is too old.

On Thu, Nov 11, 2021 at 1:29 PM Senthil Cheetancheri via Boost-users <
[email protected]> wrote:

> Hi,
>
> I'm learning to use Boost.asio by going through the tutorials at [1].
>
> However, the listing for "Synchronizing handlers in multithreaded
> programs" crashes on my Ubuntu. Source listing (about 70 lines) is at [2].
> I have given my compilation steps, stack trace from gdb, and boost
> information below. Can you please advise how I can get this working right?
>
> [1]
> https://www.boost.org/doc/libs/1_77_0/doc/html/boost_asio/tutorial.html
> [2]
> https://www.boost.org/doc/libs/1_77_0/doc/html/boost_asio/tutorial/tuttimer5/src.html
>
> I compiled and ran as follows:
>
> $ g++ -g -o timer_5.1 timer_5.1.cpp -lpthread  -lboost_thread
> $ ./timer_5.1
> Timer 1: 0
> Timer 2: 1
> Timer 1: 2
> Timer 2: 3
> Timer 1: 4
> Timer 2: 5
> Timer 1: 6
> Timer 2: 7
> Timer 1: 8
> Timer 2: 9
> Segmentation fault (core dumped)
>
> The backtrace from gdb is:
>
> $ cat gdb_log.txt
> #0  0x00007ffff799f88b in ?? () from
> /usr/lib/x86_64-linux-gnu/libboost_thread.so.1.65.1
> #1  0x00007ffff79a0bd5 in ?? () from
> /usr/lib/x86_64-linux-gnu/libboost_thread.so.1.65.1
> #2  0x00007ffff7bbb6db in start_thread (arg=0x7ffff6851700) at
> pthread_create.c:463
> #3  0x00007ffff711e71f in clone () at
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>
> I have the following boost library installed:
>
> $ sudo apt show libboost-all-dev
> Package: libboost-all-dev
> Version: 1.65.1.0ubuntu1
> Priority: optional
> Section: universe/libdevel
> Source: boost-defaults
> Origin: Ubuntu
> Maintainer: Ubuntu Developers <[email protected]>
> Original-Maintainer: Debian Boost Team <
> [email protected]>
> Bugs: https://bugs.launchpad.net/ubuntu/+filebug
> Installed-Size: 10.2 kB
> Depends: libboost-dev, libboost-tools-dev, libboost-atomic-dev,
> libboost-chrono-dev, libboost-container-dev, libboost-context-dev,
> libboost-coroutine-dev, libboost-date-time-dev, libboost-exception-dev,
> libboost-fiber-dev, libboost-filesystem-dev, libboost-graph-dev,
> libboost-graph-parallel-dev, libboost-iostreams-dev, libboost-locale-dev,
> libboost-log-dev, libboost-math-dev, libboost-mpi-dev,
> libboost-mpi-python-dev, libboost-numpy-dev, libboost-program-options-dev,
> libboost-python-dev, libboost-random-dev, libboost-regex-dev,
> libboost-serialization-dev, libboost-signals-dev, libboost-stacktrace-dev,
> libboost-system-dev, libboost-test-dev, libboost-thread-dev,
> libboost-timer-dev, libboost-type-erasure-dev, libboost-wave-dev
> Homepage: http://www.boost.org/
> Download-Size: 2,340 B
> APT-Manual-Installed: yes
> . . .
>
> Thanks in advance.
>
> Thanks,
> Senthil.
> _______________________________________________
> Boost-users mailing list
> [email protected]
> https://lists.boost.org/mailman/listinfo.cgi/boost-users
>

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