[PROTON-1734] [cpp] container.stop() doesn't work when called from non-proactor thread.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: proton-c-0.19.0
• Fix Version/s: proton-c-0.21.0
• Component/s: cpp-binding
• Assignee: Andrew Stitcher
• Reporter: Alan Conway
• Created: 04/Jan/18 21:23
• Updated: 26/Mar/18 10:20
• Resolved: 22/Feb/18 20:14

Description

Using the below code

#include <proton/container.hpp>
#include <iostream>
#include <thread>

int main( int, char** )
{
  try
  {
    proton::container c;
    c.auto_stop( false );
    auto containerThread = std::thread([&]() { std::cout << "CONTAINER IS RUNNING" << std::endl; 
                                                                                          c.run(); std::cout << "CONTAINER IS DONE" << std::endl; });
    std::this_thread::sleep_for( std::chrono::seconds( 2 ));
    std::cout << "STOPPING CONTAINER" << std::endl;
    c.stop();
    std::cout << "WAITING FOR CONTAINER" << std::endl;
    containerThread.join();
    return 0;
  }
  catch( std::exception& e )
  {
    std::cerr << e.what() << std::endl;
  }
  return 1;
}

via

[rkieley@i7t450s build]$ g++ -g -Wall -Wextra -Wpointer-arith -Wconversion -Wformat -Wformat-security -Wformat-y2k -Wsign-promo -Wcast-qual -g3 -ggdb3 -Wunused-variable -fno-eliminate-unused-debug-types -O3 -DNDEBUG -fPIC -DPN_CPP_HAS_LAMBDAS=0  -std=gnu++11  ../attachments/test.cpp -lqpid-proton-cpp -lqpid-proton-core -lqpid-proton-proactor -lrt -lpthread -o test

With both PROACTOR epoll and libuv I see the following when run:

[New Thread 0x7ffff3c95700 (LWP 20312)]
CONTAINER IS RUNNING
STOPPING CONTAINER
WAITING FOR CONTAINER
^C
Thread 1 "test" received signal SIGINT, Interrupt.

When I use CTRL-C to stop waiting after running via gdb and waiting 2 minutes.

Issue Links

• is related to: PROTON-1773 Access after free in pn_proactor_disconnect