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Move linger test to issue repo.

https://zeromq.jira.com/browse/LIBZMQ-554

Signed-off-by: Shannen Saez <shannenlaptop@gmail.com>
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BlueHaunter committed Nov 25, 2013
1 parent 8e4be1a commit 0ac52e3194dafc6629619ab8e45c8a693003724a
Showing with 71 additions and 0 deletions.
  1. +71 −0 554/issue.c
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+#include <zmq.h>
+#include <assert.h>
+
+#define URL "tcp://127.0.0.1:5560"
+
+// Sender connects a PUSH socket and sends a message of a given size,
+// closing the socket and terminating the context immediately.
+// LINGER should prevent this from dropping messages.
+
+static void sender (void *vsize)
+{
+ void *context = zmq_ctx_new ();
+ void *push = zmq_socket (context, ZMQ_PUSH);
+ size_t size = ((size_t *) vsize) [0];
+
+ int rc = zmq_connect (push, URL);
+ assert (rc == 0);
+
+ zmq_msg_t msg;
+ rc = zmq_msg_init_size (&msg, size);
+ assert (rc == 0);
+
+ char *buf = (char *) zmq_msg_data (&msg);
+ assert (buf != NULL);
+ memset (buf, 'x', size);
+
+ rc = zmq_msg_send (&msg, push, 0);
+ assert ((size_t) rc == size);
+
+ rc = zmq_msg_close (&msg);
+ assert (rc == 0);
+
+ rc = zmq_close (push);
+ assert (rc == 0);
+
+ rc = zmq_ctx_term (context);
+ assert (rc == 0);
+}
+
+int main (void)
+{
+ void *context = zmq_ctx_new ();
+ void *pull = zmq_socket (context, ZMQ_PULL);
+ zmq_msg_t msg;
+
+ int rc = zmq_bind (pull, URL);
+ assert (rc == 0);
+
+ // Symptom of test failure is message never received
+ int rcvtimeo = 100;
+ rc = zmq_setsockopt (pull, ZMQ_RCVTIMEO, &rcvtimeo, sizeof (int));
+ assert (rc == 0);
+
+ // Single test case that currently provokes failure in libzmq
+ // Note that socket will wait as long as receive timeout, before
+ // returning a "resource unavailable" or an assertion failure in
+ // poller_base.cpp:31.
+ size_t size = 4000000;
+
+ // Start the sender thread and get message
+ void *send_thread = zmq_threadstart (&sender, (void *) &size);
+ zmq_msg_init (&msg);
+ rc = zmq_msg_recv (&msg, pull, 0);
+ assert ((size_t) rc == size);
+ zmq_msg_close (&msg);
+ zmq_threadclose (send_thread);
+
+ zmq_close (pull);
+ zmq_ctx_term (context);
+ return 0;
+}

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