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Posted to dev@qpid.apache.org by "Jiri Daněk (JIRA)" <ji...@apache.org> on 2017/10/13 15:37:00 UTC
[jira] [Updated] (PROTON-1631) [cpp] Stopping container in
on_container_start after opening a socket will hang with libuv io
[ https://issues.apache.org/jira/browse/PROTON-1631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jiri Daněk updated PROTON-1631:
-------------------------------
Issue Type: Bug (was: Improvement)
> [cpp] Stopping container in on_container_start after opening a socket will hang with libuv io
> ---------------------------------------------------------------------------------------------
>
> Key: PROTON-1631
> URL: https://issues.apache.org/jira/browse/PROTON-1631
> Project: Qpid Proton
> Issue Type: Bug
> Components: cpp-binding
> Affects Versions: proton-c-0.18.0
> Environment: Linux, libuv-1.14.1, git tip at commit 72b7ea0508e94aae3e5d9470293bc5c7e8250a45 (upstream/master) PROTON-1592 : [python] restore original tx_recv.py example
> Reporter: Jiri Daněk
> Assignee: Cliff Jansen
>
> Make yourself a libuv build with
> {noformat}
> cmake .. -DBUILD_GO=OFF -DCMAKE_BUILD_TYPE=Release -GNinja -DPROACTOR=libuv
> {noformat}
> Run the following test
> {noformat}
> struct less_immediate_stop_tester : public proton::messaging_handler {
> listen_port port;
> proton::listener listener;
> bool done;
> int scheduled_work;
> less_immediate_stop_tester() : done(false), scheduled_work(0) {}
> void connect(proton::container* c) {
> }
> void on_container_start(proton::container& c) PN_CPP_OVERRIDE {
> listener = c.listen(port.url());
> c.connect(port.url("localhost"));
> c.stop();
> }
> };
> // FIXME: this test has some Invalid reads in Valgrind // with t.listener.stop() line commented out it doesn't
> int test_container_less_immediate_stop() {
> less_immediate_stop_tester t;
> proton::container c(t);
> c.run();
> // t.listener.stop(); // saw this done in another test...
> return 0;
> }
> {noformat}
> It will hang with the following output
> {nofornat}
> ninja && PN_TRACE_FRM=1 proton-c/bindings/cpp/container_test && echo pass
> [...]
> TEST: test_container_less_immediate_stop()
> [0x17cc4c0]: -> AMQP
> [0x17cc4c0]:0 -> @open(16) [container-id="e038fe4b-9996-4874-be7d-50274e1e193e", hostname="localhost", channel-max=32767]
> [0x17c9110]: <- AMQP
> [0x17c9110]:0 <- @open(16) [container-id="e038fe4b-9996-4874-be7d-50274e1e193e", hostname="localhost", channel-max=32767]
> [0x17c9110]: -> AMQP
> [0x17c9110]:0 -> @open(16) [container-id="e038fe4b-9996-4874-be7d-50274e1e193e", channel-max=32767]
> [0x17cc4c0]: <- AMQP
> [0x17cc4c0]:0 <- @open(16) [container-id="e038fe4b-9996-4874-be7d-50274e1e193e", channel-max=32767]
> {nofornat}
> Now, this exact code does _not_ hang with epoll io.
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