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Problem: shutdown() missing for context_t (#377)

Browse Source 
Solution: Add shutdown(). This function is required
for clean termination of the zmq context in multi-threaded
applications where sockets are used in threads. In particular
if blocking operation are used and if sockets can be created
at any time.

* Improve tests and documentation
This commit is contained in:
Gudmundur Adalsteinsson
2020-01-27 07:31:46 +00:00
committed by Simon Giesecke
parent 70d059bd0a
commit 47969cfdcf
2 changed files with 49 additions and 0 deletions
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37
tests/context.cpp
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@@ -18,6 +18,25 @@ TEST_CASE("context create, close and destroy", "[context]")
CHECK(NULL == (void *) context);
}
TEST_CASE("context shutdown", "[context]")
{
zmq::context_t context;
context.shutdown();
CHECK(NULL != (void *) context);
context.close();
CHECK(NULL == (void *) context);
}
TEST_CASE("context shutdown again", "[context]")
{
zmq::context_t context;
context.shutdown();
context.shutdown();
CHECK(NULL != (void *) context);
context.close();
CHECK(NULL == (void *) context);
}
#ifdef ZMQ_CPP11
TEST_CASE("context swap", "[context]")
{
@@ -26,4 +45,22 @@ TEST_CASE("context swap", "[context]")
using std::swap;
swap(context1, context2);
}
TEST_CASE("context - use socket after shutdown", "[context]")
{
zmq::context_t context;
zmq::socket_t sock(context, zmq::socket_type::rep);
context.shutdown();
try
{
sock.connect("inproc://test");
zmq::message_t msg;
sock.recv(msg, zmq::recv_flags::dontwait);
REQUIRE(false);
}
catch (const zmq::error_t& e)
{
REQUIRE(e.num() == ETERM);
}
}
#endif