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https://issues.apache.org/jira/browse/PROTON-1648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jiri Daněk updated PROTON-1648:
-------------------------------
Affects Version/s: proton-c-0.18.0
> Creating proton::work from proton::void_function0 can lead to segfault; does
> not compile when mixing C++03 and 11
> -----------------------------------------------------------------------------------------------------------------
>
> Key: PROTON-1648
> URL: https://issues.apache.org/jira/browse/PROTON-1648
> Project: Qpid Proton
> Issue Type: Bug
> Components: cpp-binding
> Affects Versions: proton-c-0.18.0
> Reporter: Jiri Daněk
> Assignee: Cliff Jansen
>
> When both proton and the code below is compiled with the same c++ release, it
> segfaults. If library is c++11 and the code is c++03, then the following
> compilation error appears
> {noformat}
> ../proton-c/bindings/cpp/src/container_test.cpp: In member function ‘virtual
> void
> {anonymous}::deprecated_schedule_tester::on_container_start(proton::container&)’:
> ../proton-c/bindings/cpp/src/container_test.cpp:687:44: error: no matching
> function for call to
> ‘proton::internal::v03::work::work({anonymous}::deprecated_schedule_tester::timer_event_t&)’
> proton::work timer_work(timer_event); // lib: c++11, this file:
> c++98:: does not compile; this AFAIC used to work
> {noformat}
> {code}
> struct deprecated_schedule_tester : public proton::messaging_handler {
> int scheduled_work;
> struct timer_event_t : public proton::void_function0 {
> deprecated_schedule_tester &parent;
> timer_event_t(deprecated_schedule_tester &handler) : parent(handler)
> {}
> void operator()() PN_CPP_OVERRIDE {
> parent.scheduled_work++;
> }
> };
> deprecated_schedule_tester() : scheduled_work(0) {}
> void on_container_start(proton::container& c) PN_CPP_OVERRIDE {
> timer_event_t timer_event(*this);
> proton::work timer_work(timer_event); // lib: c++11, this file:
> c++98:: does not compile; this AFAIC used to work
> proton::duration d1(1 * proton::duration::SECOND.milliseconds());
> proton::duration d2(2 * proton::duration::SECOND.milliseconds());
> c.schedule(d1, timer_work); // works
> c.schedule(d2, timer_event); // if timer_work exists, this segfaults
> }
> };
> int test_container_schedule_deprecated() {
> deprecated_schedule_tester t;
> proton::container c(t);
> c.run();
> ASSERT_EQUAL(2, t.scheduled_work);
> return 0;
> }
> {code}
> {noformat}
> rogram received signal SIGSEGV, Segmentation fault.
> 0x00007ffff7b65109 in std::__invoke_impl<void, void
> (proton::void_function0::*&)(), proton::void_function0*&> (__t=<optimized
> out>, __f=<optimized out>) at
> /nix/store/f8l8z14kniqk8k4k7qbf9pacnjjfsqcv-gcc-7-20170409/include/c++/7.0.1/bits/invoke.h:73
> 73 return
> ((*std::forward<_Tp>(__t)).*__f)(std::forward<_Args>(__args)...);
> (gdb) bt
> #0 0x00007ffff7b65109 in std::__invoke_impl<void, void
> (proton::void_function0::*&)(), proton::void_function0*&> (__t=<optimized
> out>, __f=<optimized out>) at
> /nix/store/f8l8z14kniqk8k4k7qbf9pacnjjfsqcv-gcc-7-20170409/include/c++/7.0.1/bits/invoke.h:73
> #1 std::__invoke<void (proton::void_function0::*&)(),
> proton::void_function0*&> (__fn=<optimized out>) at
> /nix/store/f8l8z14kniqk8k4k7qbf9pacnjjfsqcv-gcc-7-20170409/include/c++/7.0.1/bits/invoke.h:95
> #2 std::_Bind<void
> (proton::void_function0::*(proton::void_function0*))()>::__call<void, ,
> 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (__args=<optimized out>,
> this=<optimized out>) at
> /nix/store/f8l8z14kniqk8k4k7qbf9pacnjjfsqcv-gcc-7-20170409/include/c++/7.0.1/functional:461
> #3 std::_Bind<void
> (proton::void_function0::*(proton::void_function0*))()>::operator()<, void>()
> (this=<optimized out>) at
> /nix/store/f8l8z14kniqk8k4k7qbf9pacnjjfsqcv-gcc-7-20170409/include/c++/7.0.1/functional:545
> #4 std::_Function_handler<void (), std::_Bind<void
> (proton::void_function0::*(proton::void_function0*))()>
> >::_M_invoke(std::_Any_data const&) (__functor=...) at
> /nix/store/f8l8z14kniqk8k4k7qbf9pacnjjfsqcv-gcc-7-20170409/include/c++/7.0.1/bits/std_function.h:316
> #5 0x00007ffff7b696a1 in std::function<void ()>::operator()() const
> (this=0x7fffffffcbb0) at
> /nix/store/f8l8z14kniqk8k4k7qbf9pacnjjfsqcv-gcc-7-20170409/include/c++/7.0.1/bits/std_function.h:706
> #6 proton::internal::v11::work::operator() (this=0x7fffffffcbb0) at
> /home/jdanek/Work/repos/qpid-proton/proton-c/bindings/cpp/include/proton/work_queue.hpp:289
> #7 proton::container::impl::run_timer_jobs (this=this@entry=0x61d030) at
> /home/jdanek/Work/repos/qpid-proton/proton-c/bindings/cpp/src/proactor_container_impl.cpp:454
> #8 0x00007ffff7b6a385 in proton::container::impl::handle
> (this=this@entry=0x61d030, event=<optimized out>) at
> /home/jdanek/Work/repos/qpid-proton/proton-c/bindings/cpp/src/proactor_container_impl.cpp:485
> #9 0x00007ffff7b6aab3 in proton::container::impl::thread
> (this=this@entry=0x61d030) at
> /home/jdanek/Work/repos/qpid-proton/proton-c/bindings/cpp/src/proactor_container_impl.cpp:633
> #10 0x00007ffff7b6b1a3 in proton::container::impl::run (this=0x61d030,
> threads=threads@entry=1) at
> /home/jdanek/Work/repos/qpid-proton/proton-c/bindings/cpp/src/proactor_container_impl.cpp:675
> #11 0x00007ffff7b64229 in proton::container::run
> (this=this@entry=0x7fffffffcf38) at
> /home/jdanek/Work/repos/qpid-proton/proton-c/bindings/cpp/src/container.cpp:88
> #12 0x0000000000403d45 in (anonymous
> namespace)::test_container_schedule_deprecated () at
> /home/jdanek/Work/repos/qpid-proton/proton-c/bindings/cpp/src/container_test.cpp:701
> #13 0x00000000004030a2 in main () at
> /home/jdanek/Work/repos/qpid-proton/proton-c/bindings/cpp/src/container_test.cpp:711
> #14 0x00007ffff6a6b560 in __libc_start_main () from
> /nix/store/zpg78y1mf0di6127q6r51kgx2q8cxsvv-glibc-2.25-49/lib/libc.so.6
> #15 0x000000000040342a in _start () at ../sysdeps/x86_64/start.S:120
> {noformat}
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