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aio: Add "is_external" flag for event handlers

Browse source 
All callers pass in false, and the real external ones will switch to
true in coming patches.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2015-10-23 11:08:05 +08:00 • committed by Kevin Wolf
parent d87d01e16a
commit dca21ef23b
17 changed files with 130 additions and 84 deletions
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58
tests/test-aio.c
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@ -118,6 +118,12 @@ static void *test_acquire_thread(void *opaque)
return NULL;
}
static void set_event_notifier(AioContext *ctx, EventNotifier *notifier,
EventNotifierHandler *handler)
{
aio_set_event_notifier(ctx, notifier, false, handler);
}
static void dummy_notifier_read(EventNotifier *unused)
{
g_assert(false); /* should never be invoked */
@ -131,7 +137,7 @@ static void test_acquire(void)
/* Dummy event notifier ensures aio_poll() will block */
event_notifier_init(&notifier, false);
aio_set_event_notifier(ctx, &notifier, dummy_notifier_read);
set_event_notifier(ctx, &notifier, dummy_notifier_read);
g_assert(!aio_poll(ctx, false)); /* consume aio_notify() */
qemu_mutex_init(&data.start_lock);
@ -149,7 +155,7 @@ static void test_acquire(void)
aio_context_release(ctx);
qemu_thread_join(&thread);
aio_set_event_notifier(ctx, &notifier, NULL);
set_event_notifier(ctx, &notifier, NULL);
event_notifier_cleanup(&notifier);
g_assert(data.thread_acquired);
@ -308,11 +314,11 @@ static void test_set_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 0 };
event_notifier_init(&data.e, false);
aio_set_event_notifier(ctx, &data.e, event_ready_cb);
set_event_notifier(ctx, &data.e, event_ready_cb);
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
aio_set_event_notifier(ctx, &data.e, NULL);
set_event_notifier(ctx, &data.e, NULL);
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
event_notifier_cleanup(&data.e);
@ -322,7 +328,7 @@ static void test_wait_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 1 };
event_notifier_init(&data.e, false);
aio_set_event_notifier(ctx, &data.e, event_ready_cb);
set_event_notifier(ctx, &data.e, event_ready_cb);
while (aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
g_assert_cmpint(data.active, ==, 1);
@ -336,7 +342,7 @@ static void test_wait_event_notifier(void)
g_assert_cmpint(data.n, ==, 1);
g_assert_cmpint(data.active, ==, 0);
aio_set_event_notifier(ctx, &data.e, NULL);
set_event_notifier(ctx, &data.e, NULL);
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 1);
@ -347,7 +353,7 @@ static void test_flush_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 10, .auto_set = true };
event_notifier_init(&data.e, false);
aio_set_event_notifier(ctx, &data.e, event_ready_cb);
set_event_notifier(ctx, &data.e, event_ready_cb);
while (aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
g_assert_cmpint(data.active, ==, 10);
@ -363,7 +369,7 @@ static void test_flush_event_notifier(void)
g_assert_cmpint(data.active, ==, 0);
g_assert(!aio_poll(ctx, false));
aio_set_event_notifier(ctx, &data.e, NULL);
set_event_notifier(ctx, &data.e, NULL);
g_assert(!aio_poll(ctx, false));
event_notifier_cleanup(&data.e);
}
@ -374,7 +380,7 @@ static void test_wait_event_notifier_noflush(void)
EventNotifierTestData dummy = { .n = 0, .active = 1 };
event_notifier_init(&data.e, false);
aio_set_event_notifier(ctx, &data.e, event_ready_cb);
set_event_notifier(ctx, &data.e, event_ready_cb);
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 0);
@ -387,7 +393,7 @@ static void test_wait_event_notifier_noflush(void)
/* An active event notifier forces aio_poll to look at EventNotifiers. */
event_notifier_init(&dummy.e, false);
aio_set_event_notifier(ctx, &dummy.e, event_ready_cb);
set_event_notifier(ctx, &dummy.e, event_ready_cb);
event_notifier_set(&data.e);
g_assert(aio_poll(ctx, false));
@ -407,10 +413,10 @@ static void test_wait_event_notifier_noflush(void)
g_assert_cmpint(dummy.n, ==, 1);
g_assert_cmpint(dummy.active, ==, 0);
aio_set_event_notifier(ctx, &dummy.e, NULL);
set_event_notifier(ctx, &dummy.e, NULL);
event_notifier_cleanup(&dummy.e);
aio_set_event_notifier(ctx, &data.e, NULL);
set_event_notifier(ctx, &data.e, NULL);
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 2);
@ -428,7 +434,7 @@ static void test_timer_schedule(void)
* an fd to wait on. Fixing this breaks other tests. So create a dummy one.
*/
event_notifier_init(&e, false);
aio_set_event_notifier(ctx, &e, dummy_io_handler_read);
set_event_notifier(ctx, &e, dummy_io_handler_read);
aio_poll(ctx, false);
aio_timer_init(ctx, &data.timer, data.clock_type,
@ -467,7 +473,7 @@ static void test_timer_schedule(void)
g_assert(!aio_poll(ctx, false));
g_assert_cmpint(data.n, ==, 2);
aio_set_event_notifier(ctx, &e, NULL);
set_event_notifier(ctx, &e, NULL);
event_notifier_cleanup(&e);
timer_del(&data.timer);
@ -638,11 +644,11 @@ static void test_source_set_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 0 };
event_notifier_init(&data.e, false);
aio_set_event_notifier(ctx, &data.e, event_ready_cb);
set_event_notifier(ctx, &data.e, event_ready_cb);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 0);
aio_set_event_notifier(ctx, &data.e, NULL);
set_event_notifier(ctx, &data.e, NULL);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 0);
event_notifier_cleanup(&data.e);
@ -652,7 +658,7 @@ static void test_source_wait_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 1 };
event_notifier_init(&data.e, false);
aio_set_event_notifier(ctx, &data.e, event_ready_cb);
set_event_notifier(ctx, &data.e, event_ready_cb);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 0);
g_assert_cmpint(data.active, ==, 1);
@ -666,7 +672,7 @@ static void test_source_wait_event_notifier(void)
g_assert_cmpint(data.n, ==, 1);
g_assert_cmpint(data.active, ==, 0);
aio_set_event_notifier(ctx, &data.e, NULL);
set_event_notifier(ctx, &data.e, NULL);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 1);
@ -677,7 +683,7 @@ static void test_source_flush_event_notifier(void)
{
EventNotifierTestData data = { .n = 0, .active = 10, .auto_set = true };
event_notifier_init(&data.e, false);
aio_set_event_notifier(ctx, &data.e, event_ready_cb);
set_event_notifier(ctx, &data.e, event_ready_cb);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 0);
g_assert_cmpint(data.active, ==, 10);
@ -693,7 +699,7 @@ static void test_source_flush_event_notifier(void)
g_assert_cmpint(data.active, ==, 0);
g_assert(!g_main_context_iteration(NULL, false));
aio_set_event_notifier(ctx, &data.e, NULL);
set_event_notifier(ctx, &data.e, NULL);
while (g_main_context_iteration(NULL, false));
event_notifier_cleanup(&data.e);
}
@ -704,7 +710,7 @@ static void test_source_wait_event_notifier_noflush(void)
EventNotifierTestData dummy = { .n = 0, .active = 1 };
event_notifier_init(&data.e, false);
aio_set_event_notifier(ctx, &data.e, event_ready_cb);
set_event_notifier(ctx, &data.e, event_ready_cb);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 0);
@ -717,7 +723,7 @@ static void test_source_wait_event_notifier_noflush(void)
/* An active event notifier forces aio_poll to look at EventNotifiers. */
event_notifier_init(&dummy.e, false);
aio_set_event_notifier(ctx, &dummy.e, event_ready_cb);
set_event_notifier(ctx, &dummy.e, event_ready_cb);
event_notifier_set(&data.e);
g_assert(g_main_context_iteration(NULL, false));
@ -737,10 +743,10 @@ static void test_source_wait_event_notifier_noflush(void)
g_assert_cmpint(dummy.n, ==, 1);
g_assert_cmpint(dummy.active, ==, 0);
aio_set_event_notifier(ctx, &dummy.e, NULL);
set_event_notifier(ctx, &dummy.e, NULL);
event_notifier_cleanup(&dummy.e);
aio_set_event_notifier(ctx, &data.e, NULL);
set_event_notifier(ctx, &data.e, NULL);
while (g_main_context_iteration(NULL, false));
g_assert_cmpint(data.n, ==, 2);
@ -759,7 +765,7 @@ static void test_source_timer_schedule(void)
* an fd to wait on. Fixing this breaks other tests. So create a dummy one.
*/
event_notifier_init(&e, false);
aio_set_event_notifier(ctx, &e, dummy_io_handler_read);
set_event_notifier(ctx, &e, dummy_io_handler_read);
do {} while (g_main_context_iteration(NULL, false));
aio_timer_init(ctx, &data.timer, data.clock_type,
@ -784,7 +790,7 @@ static void test_source_timer_schedule(void)
g_assert_cmpint(data.n, ==, 2);
g_assert(qemu_clock_get_ns(data.clock_type) > expiry);
aio_set_event_notifier(ctx, &e, NULL);
set_event_notifier(ctx, &e, NULL);
event_notifier_cleanup(&e);
timer_del(&data.timer);