From 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 22:49:52 +0200 Subject: Adding upstream version 255.4. Signed-off-by: Daniel Baumann --- src/libsystemd/sd-bus/test-bus-queue-ref-cycle.c | 56 ++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 src/libsystemd/sd-bus/test-bus-queue-ref-cycle.c (limited to 'src/libsystemd/sd-bus/test-bus-queue-ref-cycle.c') diff --git a/src/libsystemd/sd-bus/test-bus-queue-ref-cycle.c b/src/libsystemd/sd-bus/test-bus-queue-ref-cycle.c new file mode 100644 index 0000000..7c2fa72 --- /dev/null +++ b/src/libsystemd/sd-bus/test-bus-queue-ref-cycle.c @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#include "sd-bus.h" + +#include "main-func.h" +#include "tests.h" + +static int test_ref_unref(void) { + sd_bus_message *m = NULL; + sd_bus *bus = NULL; + int r; + + /* This test will result in a memory leak in <= v240, but not on v241. Hence to be really useful it + * should be run through a leak tracker such as valgrind. */ + + r = sd_bus_open_system(&bus); + if (r < 0) + return log_tests_skipped("Failed to connect to bus"); + + /* Create a message and enqueue it (this shouldn't send it though as the connection setup is not complete yet) */ + assert_se(sd_bus_message_new_method_call(bus, &m, "foo.bar", "/foo", "quux.quux", "waldo") >= 0); + assert_se(sd_bus_send(bus, m, NULL) >= 0); + + /* Let's now unref the message first and the bus second. */ + m = sd_bus_message_unref(m); + bus = sd_bus_unref(bus); + + /* We should have a memory leak now on <= v240. Let's do this again, but destroy in the opposite + * order. On v240 that too should be a leak. */ + + r = sd_bus_open_system(&bus); + if (r < 0) + return log_tests_skipped("Failed to connect to bus"); + + assert_se(sd_bus_message_new_method_call(bus, &m, "foo.bar", "/foo", "quux.quux", "waldo") >= 0); + assert_se(sd_bus_send(bus, m, NULL) >= 0); + + /* Let's now unref things in the opposite order */ + bus = sd_bus_unref(bus); + m = sd_bus_message_unref(m); + + return 0; +} + +static int run(int argc, char *argv[]) { + int r; + + test_setup_logging(LOG_INFO); + + r = test_ref_unref(); + if (r < 0) + return r; + + return 0; +} + +DEFINE_MAIN_FUNCTION(run); -- cgit v1.2.3