1 files changed, 81 insertions, 0 deletions
diff --git a/tests/test_fork.cpp b/tests/test_fork.cpp
new file mode 100644
index 0000000..637b6e9
--- /dev/null
+++ b/tests/test_fork.cpp
@@ -0,0 +1,81 @@
+/*
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "testutil.hpp"
+
+const char *address = "tcp://127.0.0.1:6571";
+
+#define NUM_MESSAGES 5
+
+int main (void)
+{
+    setup_test_environment ();
+    void *ctx = zmq_ctx_new ();
+    assert (ctx);
+    
+    //  Create and bind pull socket to receive messages
+    void *pull = zmq_socket (ctx, ZMQ_PULL);
+    assert (pull);
+    int rc = zmq_bind (pull, address);
+    assert (rc == 0);
+
+    int pid = fork ();
+    if (pid == 0) {
+        //  Child process
+        //  Immediately close parent sockets and context
+        zmq_close (pull);
+        zmq_term (ctx);
+
+        //  Create new context, socket, connect and send some messages
+        void *child_ctx = zmq_ctx_new ();
+        assert (child_ctx);
+        void *push = zmq_socket (child_ctx, ZMQ_PUSH);
+        assert (push);
+        rc = zmq_connect (push, address);
+        assert (rc == 0);
+        int count;
+        for (count = 0; count < NUM_MESSAGES; count++)
+            zmq_send (push, "Hello", 5, 0);
+        
+        zmq_close (push);
+        zmq_ctx_destroy (child_ctx);
+        exit (0);
+    } 
+    else {
+        //  Parent process
+        int count;
+        for (count = 0; count < NUM_MESSAGES; count++) {
+            char buffer [5];
+            int num_bytes = zmq_recv (pull, buffer, 5, 0);
+            assert (num_bytes == 5);
+        }
+        int child_status;
+        while (true) {
+            rc = waitpid (pid, &child_status, 0);
+            if (rc == -1 && errno == EINTR) 
+                continue;
+            assert (rc > 0);
+            //  Verify the status code of the child was zero
+            assert (WEXITSTATUS (child_status) == 0);
+            break;
+        }
+        exit (0);
+    }
+    return 0;
+}