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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2012-2015, Magnus Edenhill
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "test.h"
#include "rdkafka.h"
#ifndef _WIN32
#include <unistd.h>
#include <sys/wait.h>
#endif
/**
* @brief Forking a threaded process will not transfer threads (such as
* librdkafka's background threads) to the child process.
* There is no way such a forked client instance will work
* in the child process, but it should not crash on destruction: #1674
*/
int main_0079_fork(int argc, char **argv) {
#if __SANITIZE_ADDRESS__
TEST_SKIP(
"AddressSanitizer is enabled: this test leaks memory (due to "
"fork())\n");
return 0;
#endif
#ifdef _WIN32
TEST_SKIP("No fork() support on Windows");
return 0;
#else
pid_t pid;
rd_kafka_t *rk;
int status;
rk = test_create_producer();
rd_kafka_producev(rk, RD_KAFKA_V_TOPIC("atopic"),
RD_KAFKA_V_VALUE("hi", 2), RD_KAFKA_V_END);
pid = fork();
TEST_ASSERT(pid != 1, "fork() failed: %s", strerror(errno));
if (pid == 0) {
/* Child process */
/* This call will enqueue the message on a queue
* which is not served by any thread, but it should not crash */
rd_kafka_producev(rk, RD_KAFKA_V_TOPIC("atopic"),
RD_KAFKA_V_VALUE("hello", 5), RD_KAFKA_V_END);
/* Don't crash on us */
rd_kafka_destroy(rk);
exit(0);
}
/* Parent process, wait for child to exit cleanly. */
if (waitpid(pid, &status, 0) == -1)
TEST_FAIL("waitpid(%d) failed: %s", (int)pid, strerror(errno));
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
TEST_FAIL("child exited with status %d", WEXITSTATUS(status));
rd_kafka_destroy(rk);
return 0;
#endif
}
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