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da31917f4f
Relicense permission collected from all relevant authors as tallied at: https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md The relicense grants are collected under RELICENSE/ and will be moved to the above repository in a later commit. Fixes https://github.com/zeromq/libzmq/issues/2376
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
/* SPDX-License-Identifier: MPL-2.0 */
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#include "testutil.hpp"
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#include "testutil_unity.hpp"
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#include <assert.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/wait.h>
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SETUP_TEARDOWN_TESTCONTEXT
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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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// use regular assertions in the child process
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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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