mirror of
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104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
/*
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Copyright (c) 2007-2017 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testutil.hpp"
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#include "testutil_unity.hpp"
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void setUp ()
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{
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setup_test_context ();
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}
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void tearDown ()
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{
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teardown_test_context ();
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}
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char connect_address[MAX_SOCKET_STRING];
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#define NUM_MESSAGES 5
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void test_fork ()
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{
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#if !defined(ZMQ_HAVE_WINDOWS)
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// Create and bind pull socket to receive messages
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void *pull = test_context_socket (ZMQ_PULL);
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bind_loopback_ipv4 (pull, connect_address, sizeof connect_address);
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int pid = fork ();
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if (pid == 0) {
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// Child process
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// Immediately close parent sockets and context
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zmq_close (pull);
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zmq_ctx_term (get_test_context ());
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// Create new context, socket, connect and send some messages
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void *child_ctx = zmq_ctx_new ();
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assert (child_ctx);
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void *push = zmq_socket (child_ctx, ZMQ_PUSH);
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assert (push);
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int rc = zmq_connect (push, connect_address);
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assert (rc == 0);
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int count;
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for (count = 0; count < NUM_MESSAGES; count++)
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zmq_send (push, "Hello", 5, 0);
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zmq_close (push);
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zmq_ctx_destroy (child_ctx);
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exit (0);
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} else {
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// Parent process
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int count;
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for (count = 0; count < NUM_MESSAGES; count++) {
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recv_string_expect_success (pull, "Hello", 0);
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}
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int child_status;
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while (true) {
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int rc = waitpid (pid, &child_status, 0);
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if (rc == -1 && errno == EINTR)
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continue;
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TEST_ASSERT_GREATER_THAN (0, rc);
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// Verify the status code of the child was zero
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TEST_ASSERT_EQUAL (0, WEXITSTATUS (child_status));
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break;
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}
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test_context_socket_close (pull);
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}
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#endif
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}
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int main (void)
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test_fork);
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return UNITY_END ();
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}
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