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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/libsystemd/sd-bus/test-bus-queue-ref-cycle.c
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libsystemd/sd-bus/test-bus-queue-ref-cycle.c')
-rw-r--r--src/libsystemd/sd-bus/test-bus-queue-ref-cycle.c56
1 files changed, 56 insertions, 0 deletions
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);