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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
69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
/* SPDX-License-Identifier: MPL-2.0 */
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#include "testutil.hpp"
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#include <unistd.h> // For alarm()
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const char *address = "tcp://127.0.0.1:6571";
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#define NUM_MESSAGES 5
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#define TIMEOUT_SECS 5 // Global timeout
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int main (void)
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{
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setup_test_environment ();
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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// Create and bind pull socket to receive messages
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void *pull = zmq_socket (ctx, ZMQ_PULL);
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assert (pull);
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int rc = zmq_bind (pull, address);
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assert (rc == 0);
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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 (ctx);
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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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rc = zmq_connect (push, 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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}
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else {
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// Parent process
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alarm(TIMEOUT_SECS); // Set upper limit on runtime
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int count;
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for (count = 0; count < NUM_MESSAGES; count++) {
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char buffer [5];
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int num_bytes = zmq_recv (pull, buffer, 5, 0);
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assert (num_bytes == 5);
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}
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int child_status;
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while (true) {
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rc = waitpid (pid, &child_status, 0);
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if (rc == -1 && errno == EINTR)
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continue;
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assert (rc > 0);
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// Verify the status code of the child was zero
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assert (WEXITSTATUS (child_status) == 0);
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break;
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}
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exit (0);
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}
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return 0;
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}
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