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-rw-r--r--tests/test-aio.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/tests/test-aio.c b/tests/test-aio.c
index e1f394b75c..3ad22941d9 100644
--- a/tests/test-aio.c
+++ b/tests/test-aio.c
@@ -47,6 +47,15 @@ typedef struct {
int max;
} BHTestData;
+typedef struct {
+ QEMUTimer timer;
+ QEMUClockType clock_type;
+ int n;
+ int max;
+ int64_t ns;
+ AioContext *ctx;
+} TimerTestData;
+
static void bh_test_cb(void *opaque)
{
BHTestData *data = opaque;
@@ -55,6 +64,24 @@ static void bh_test_cb(void *opaque)
}
}
+static void timer_test_cb(void *opaque)
+{
+ TimerTestData *data = opaque;
+ if (++data->n < data->max) {
+ timer_mod(&data->timer,
+ qemu_clock_get_ns(data->clock_type) + data->ns);
+ }
+}
+
+static void dummy_io_handler_read(void *opaque)
+{
+}
+
+static int dummy_io_handler_flush(void *opaque)
+{
+ return 1;
+}
+
static void bh_delete_cb(void *opaque)
{
BHTestData *data = opaque;
@@ -343,6 +370,64 @@ static void test_wait_event_notifier_noflush(void)
event_notifier_cleanup(&data.e);
}
+static void test_timer_schedule(void)
+{
+ TimerTestData data = { .n = 0, .ctx = ctx, .ns = SCALE_MS * 750LL,
+ .max = 2,
+ .clock_type = QEMU_CLOCK_VIRTUAL };
+ int pipefd[2];
+
+ /* aio_poll will not block to wait for timers to complete unless it has
+ * an fd to wait on. Fixing this breaks other tests. So create a dummy one.
+ */
+ g_assert(!pipe2(pipefd, O_NONBLOCK));
+ aio_set_fd_handler(ctx, pipefd[0],
+ dummy_io_handler_read, NULL, dummy_io_handler_flush);
+ aio_poll(ctx, false);
+
+ aio_timer_init(ctx, &data.timer, data.clock_type,
+ SCALE_NS, timer_test_cb, &data);
+ timer_mod(&data.timer,
+ qemu_clock_get_ns(data.clock_type) +
+ data.ns);
+
+ g_assert_cmpint(data.n, ==, 0);
+
+ /* timer_mod may well cause an event notifer to have gone off,
+ * so clear that
+ */
+ do {} while (aio_poll(ctx, false));
+
+ g_assert(!aio_poll(ctx, false));
+ g_assert_cmpint(data.n, ==, 0);
+
+ sleep(1);
+ g_assert_cmpint(data.n, ==, 0);
+
+ g_assert(aio_poll(ctx, false));
+ g_assert_cmpint(data.n, ==, 1);
+
+ /* timer_mod called by our callback */
+ do {} while (aio_poll(ctx, false));
+
+ g_assert(!aio_poll(ctx, false));
+ g_assert_cmpint(data.n, ==, 1);
+
+ g_assert(aio_poll(ctx, true));
+ g_assert_cmpint(data.n, ==, 2);
+
+ /* As max is now 2, an event notifier should not have gone off */
+
+ g_assert(!aio_poll(ctx, false));
+ g_assert_cmpint(data.n, ==, 2);
+
+ aio_set_fd_handler(ctx, pipefd[0], NULL, NULL, NULL);
+ close(pipefd[0]);
+ close(pipefd[1]);
+
+ timer_del(&data.timer);
+}
+
/* Now the same tests, using the context as a GSource. They are
* very similar to the ones above, with g_main_context_iteration
* replacing aio_poll. However:
@@ -625,6 +710,53 @@ static void test_source_wait_event_notifier_noflush(void)
event_notifier_cleanup(&data.e);
}
+static void test_source_timer_schedule(void)
+{
+ TimerTestData data = { .n = 0, .ctx = ctx, .ns = SCALE_MS * 750LL,
+ .max = 2,
+ .clock_type = QEMU_CLOCK_VIRTUAL };
+ int pipefd[2];
+ int64_t expiry;
+
+ /* aio_poll will not block to wait for timers to complete unless it has
+ * an fd to wait on. Fixing this breaks other tests. So create a dummy one.
+ */
+ g_assert(!pipe2(pipefd, O_NONBLOCK));
+ aio_set_fd_handler(ctx, pipefd[0],
+ dummy_io_handler_read, NULL, dummy_io_handler_flush);
+ do {} while (g_main_context_iteration(NULL, false));
+
+ aio_timer_init(ctx, &data.timer, data.clock_type,
+ SCALE_NS, timer_test_cb, &data);
+ expiry = qemu_clock_get_ns(data.clock_type) +
+ data.ns;
+ timer_mod(&data.timer, expiry);
+
+ g_assert_cmpint(data.n, ==, 0);
+
+ sleep(1);
+ g_assert_cmpint(data.n, ==, 0);
+
+ g_assert(g_main_context_iteration(NULL, false));
+ g_assert_cmpint(data.n, ==, 1);
+
+ /* The comment above was not kidding when it said this wakes up itself */
+ do {
+ g_assert(g_main_context_iteration(NULL, true));
+ } while (qemu_clock_get_ns(data.clock_type) <= expiry);
+ sleep(1);
+ g_main_context_iteration(NULL, false);
+
+ g_assert_cmpint(data.n, ==, 2);
+
+ aio_set_fd_handler(ctx, pipefd[0], NULL, NULL, NULL);
+ close(pipefd[0]);
+ close(pipefd[1]);
+
+ timer_del(&data.timer);
+}
+
+
/* End of tests. */
int main(int argc, char **argv)
@@ -653,6 +785,7 @@ int main(int argc, char **argv)
g_test_add_func("/aio/event/wait", test_wait_event_notifier);
g_test_add_func("/aio/event/wait/no-flush-cb", test_wait_event_notifier_noflush);
g_test_add_func("/aio/event/flush", test_flush_event_notifier);
+ g_test_add_func("/aio/timer/schedule", test_timer_schedule);
g_test_add_func("/aio-gsource/notify", test_source_notify);
g_test_add_func("/aio-gsource/flush", test_source_flush);
@@ -667,5 +800,6 @@ int main(int argc, char **argv)
g_test_add_func("/aio-gsource/event/wait", test_source_wait_event_notifier);
g_test_add_func("/aio-gsource/event/wait/no-flush-cb", test_source_wait_event_notifier_noflush);
g_test_add_func("/aio-gsource/event/flush", test_source_flush_event_notifier);
+ g_test_add_func("/aio-gsource/timer/schedule", test_source_timer_schedule);
return g_test_run();
}