*taskp = NULL;
}
-#define PURGE_OK(event) (((event)->ev_attributes & ISC_EVENTATTR_NOPURGE) == 0)
-
-static unsigned int
-dequeue_events(isc_task_t *task, void *sender, isc_eventtype_t first,
- isc_eventtype_t last, void *tag, isc_eventlist_t *events,
- bool purging) {
- isc_event_t *event, *next_event;
- unsigned int count = 0;
-
- REQUIRE(VALID_TASK(task));
- REQUIRE(last >= first);
-
- XTRACE("dequeue_events");
-
- /*
- * Events matching 'sender', whose type is >= first and <= last, and
- * whose tag is 'tag' will be dequeued. If 'purging', matching events
- * which are marked as unpurgable will not be dequeued.
- *
- * sender == NULL means "any sender", and tag == NULL means "any tag".
- */
-
- LOCK(&task->lock);
-
- for (event = HEAD(task->events); event != NULL; event = next_event) {
- next_event = NEXT(event, ev_link);
- if (event->ev_type >= first && event->ev_type <= last &&
- (sender == NULL || event->ev_sender == sender) &&
- (tag == NULL || event->ev_tag == tag) &&
- (!purging || PURGE_OK(event)))
- {
- DEQUEUE(task->events, event, ev_link);
- task->nevents--;
- ENQUEUE(*events, event, ev_link);
- count++;
- }
- }
-
- UNLOCK(&task->lock);
-
- return (count);
-}
-
-unsigned int
-isc_task_purgerange(isc_task_t *task, void *sender, isc_eventtype_t first,
- isc_eventtype_t last, void *tag) {
- unsigned int count;
- isc_eventlist_t events;
- isc_event_t *event, *next_event;
- REQUIRE(VALID_TASK(task));
-
- /*
- * Purge events from a task's event queue.
- */
-
- XTRACE("isc_task_purgerange");
-
- ISC_LIST_INIT(events);
-
- count = dequeue_events(task, sender, first, last, tag, &events, true);
-
- for (event = HEAD(events); event != NULL; event = next_event) {
- next_event = NEXT(event, ev_link);
- ISC_LIST_UNLINK(events, event, ev_link);
- isc_event_free(&event);
- }
-
- /*
- * Note that purging never changes the state of the task.
- */
-
- return (count);
-}
-
-unsigned int
-isc_task_purge(isc_task_t *task, void *sender, isc_eventtype_t type,
- void *tag) {
- /*
- * Purge events from a task's event queue.
- */
- REQUIRE(VALID_TASK(task));
-
- XTRACE("isc_task_purge");
-
- return (isc_task_purgerange(task, sender, type, type, tag));
-}
-
bool
isc_task_purgeevent(isc_task_t *task, isc_event_t *event) {
bool found = false;
isc_task_send(task1, &event);
}
- (void)isc_task_purge(task3, NULL, 0, 0);
-
isc_task_detach(&task1);
isc_task_detach(&task2);
isc_task_detach(&task3);
#define TAGCNT 5
#define NEVENTS (SENDERCNT * TYPECNT * TAGCNT)
-static bool testrange;
-static void *purge_sender;
-static isc_eventtype_t purge_type_first;
-static isc_eventtype_t purge_type_last;
-static void *purge_tag;
static int eventcnt;
atomic_bool started;
-static void
-pg_event1(isc_task_t *task, isc_event_t *event) {
- UNUSED(task);
-
- LOCK(&lock);
- while (!atomic_load(&started)) {
- WAIT(&cv, &lock);
- }
- UNLOCK(&lock);
-
- isc_event_free(&event);
-}
-
-static void
-pg_event2(isc_task_t *task, isc_event_t *event) {
- bool sender_match = false;
- bool type_match = false;
- bool tag_match = false;
-
- UNUSED(task);
-
- if ((purge_sender == NULL) || (purge_sender == event->ev_sender)) {
- sender_match = true;
- }
-
- if (testrange) {
- if ((purge_type_first <= event->ev_type) &&
- (event->ev_type <= purge_type_last)) {
- type_match = true;
- }
- } else {
- if (purge_type_first == event->ev_type) {
- type_match = true;
- }
- }
-
- if ((purge_tag == NULL) || (purge_tag == event->ev_tag)) {
- tag_match = true;
- }
-
- if (sender_match && type_match && tag_match) {
- if ((event->ev_attributes & ISC_EVENTATTR_NOPURGE) != 0) {
- if (verbose) {
- print_message("# event %p,%d,%p "
- "matched but was not "
- "purgeable\n",
- event->ev_sender,
- (int)event->ev_type,
- event->ev_tag);
- }
- ++eventcnt;
- } else if (verbose) {
- print_message("# event %p,%d,%p not purged\n",
- event->ev_sender, (int)event->ev_type,
- event->ev_tag);
- }
- } else {
- ++eventcnt;
- }
-
- isc_event_free(&event);
-}
-
-static void
-pg_sde(isc_task_t *task, isc_event_t *event) {
- UNUSED(task);
-
- LOCK(&lock);
- atomic_store(&done, true);
- SIGNAL(&cv);
- UNLOCK(&lock);
-
- isc_event_free(&event);
-}
-
-static void
-test_purge(int sender, int type, int tag, int exp_purged) {
- isc_result_t result;
- isc_task_t *task = NULL;
- isc_event_t *eventtab[NEVENTS];
- isc_event_t *event = NULL;
- isc_interval_t interval;
- isc_time_t now;
- int sender_cnt, type_cnt, tag_cnt, event_cnt, i;
- int purged = 0;
-
- atomic_init(&started, false);
- atomic_init(&done, false);
- eventcnt = 0;
-
- isc_condition_init(&cv);
-
- result = isc_task_create(taskmgr, 0, &task);
- assert_int_equal(result, ISC_R_SUCCESS);
-
- result = isc_task_onshutdown(task, pg_sde, NULL);
- assert_int_equal(result, ISC_R_SUCCESS);
-
- /*
- * Block the task on cv.
- */
- event = isc_event_allocate(test_mctx, (void *)1, 9999, pg_event1, NULL,
- sizeof(*event));
-
- assert_non_null(event);
- isc_task_send(task, &event);
-
- /*
- * Fill the task's queue with some messages with varying
- * sender, type, tag, and purgeable attribute values.
- */
- event_cnt = 0;
- for (sender_cnt = 0; sender_cnt < SENDERCNT; ++sender_cnt) {
- for (type_cnt = 0; type_cnt < TYPECNT; ++type_cnt) {
- for (tag_cnt = 0; tag_cnt < TAGCNT; ++tag_cnt) {
- eventtab[event_cnt] = isc_event_allocate(
- test_mctx,
- &senders[sender + sender_cnt],
- (isc_eventtype_t)(type + type_cnt),
- pg_event2, NULL, sizeof(*event));
-
- assert_non_null(eventtab[event_cnt]);
-
- eventtab[event_cnt]->ev_tag =
- (void *)((uintptr_t)tag + tag_cnt);
-
- /*
- * Mark events as non-purgeable if
- * sender, type and tag are all
- * odd-numbered. (There should be 4
- * of these out of 60 events total.)
- */
- if (((sender_cnt % 2) != 0) &&
- ((type_cnt % 2) != 0) &&
- ((tag_cnt % 2) != 0)) {
- eventtab[event_cnt]->ev_attributes |=
- ISC_EVENTATTR_NOPURGE;
- }
- ++event_cnt;
- }
- }
- }
-
- for (i = 0; i < event_cnt; ++i) {
- isc_task_send(task, &eventtab[i]);
- }
-
- if (testrange) {
- /*
- * We're testing isc_task_purgerange.
- */
- purged = isc_task_purgerange(
- task, purge_sender, (isc_eventtype_t)purge_type_first,
- (isc_eventtype_t)purge_type_last, purge_tag);
- assert_int_equal(purged, exp_purged);
- } else {
- /*
- * We're testing isc_task_purge.
- */
- if (verbose) {
- print_message("# purge events %p,%u,%p\n", purge_sender,
- purge_type_first, purge_tag);
- }
- purged = isc_task_purge(task, purge_sender,
- (isc_eventtype_t)purge_type_first,
- purge_tag);
- if (verbose) {
- print_message("# purged %d expected %d\n", purged,
- exp_purged);
- }
-
- assert_int_equal(purged, exp_purged);
- }
-
- /*
- * Unblock the task, allowing event processing.
- */
- LOCK(&lock);
- atomic_store(&started, true);
- SIGNAL(&cv);
-
- isc_task_shutdown(task);
-
- isc_interval_set(&interval, 5, 0);
-
- /*
- * Wait for shutdown processing to complete.
- */
- while (!atomic_load(&done)) {
- result = isc_time_nowplusinterval(&now, &interval);
- assert_int_equal(result, ISC_R_SUCCESS);
-
- WAITUNTIL(&cv, &lock, &now);
- }
-
- UNLOCK(&lock);
-
- isc_task_detach(&task);
-
- assert_int_equal(eventcnt, event_cnt - exp_purged);
-}
-
-/*
- * Purge test:
- * A call to isc_task_purge(task, sender, type, tag) purges all events of
- * type 'type' and with tag 'tag' not marked as unpurgeable from sender
- * from the task's " queue and returns the number of events purged.
- */
-static void
-purge(void **state) {
- UNUSED(state);
-
- /* Try purging on a specific sender. */
- if (verbose) {
- print_message("# testing purge on 2,4,8 expecting 1\n");
- }
- purge_sender = &senders[2];
- purge_type_first = 4;
- purge_type_last = 4;
- purge_tag = (void *)8;
- testrange = false;
- test_purge(1, 4, 7, 1);
-
- /* Try purging on all senders. */
- if (verbose) {
- print_message("# testing purge on 0,4,8 expecting 3\n");
- }
- purge_sender = NULL;
- purge_type_first = 4;
- purge_type_last = 4;
- purge_tag = (void *)8;
- testrange = false;
- test_purge(1, 4, 7, 3);
-
- /* Try purging on all senders, specified type, all tags. */
- if (verbose) {
- print_message("# testing purge on 0,4,0 expecting 15\n");
- }
- purge_sender = NULL;
- purge_type_first = 4;
- purge_type_last = 4;
- purge_tag = NULL;
- testrange = false;
- test_purge(1, 4, 7, 15);
-
- /* Try purging on a specified tag, no such type. */
- if (verbose) {
- print_message("# testing purge on 0,99,8 expecting 0\n");
- }
- purge_sender = NULL;
- purge_type_first = 99;
- purge_type_last = 99;
- purge_tag = (void *)8;
- testrange = false;
- test_purge(1, 4, 7, 0);
-
- /* Try purging on specified sender, type, all tags. */
- if (verbose) {
- print_message("# testing purge on 3,5,0 expecting 5\n");
- }
- purge_sender = &senders[3];
- purge_type_first = 5;
- purge_type_last = 5;
- purge_tag = NULL;
- testrange = false;
- test_purge(1, 4, 7, 5);
-}
-
-/*
- * Purge range test:
- * A call to isc_event_purgerange(task, sender, first, last, tag) purges
- * all events not marked unpurgeable from sender 'sender' and of type within
- * the range 'first' to 'last' inclusive from the task's event queue and
- * returns the number of tasks purged.
- */
-
-static void
-purgerange(void **state) {
- UNUSED(state);
-
- /* Now let's try some ranges. */
- /* testing purgerange on 2,4-5,8 expecting 1 */
- purge_sender = &senders[2];
- purge_type_first = 4;
- purge_type_last = 5;
- purge_tag = (void *)8;
- testrange = true;
- test_purge(1, 4, 7, 1);
-
- /* Try purging on all senders. */
- if (verbose) {
- print_message("# testing purge on 0,4-5,8 expecting 5\n");
- }
- purge_sender = NULL;
- purge_type_first = 4;
- purge_type_last = 5;
- purge_tag = (void *)8;
- testrange = true;
- test_purge(1, 4, 7, 5);
-
- /* Try purging on all senders, specified type, all tags. */
- if (verbose) {
- print_message("# testing purge on 0,5-6,0 expecting 28\n");
- }
- purge_sender = NULL;
- purge_type_first = 5;
- purge_type_last = 6;
- purge_tag = NULL;
- testrange = true;
- test_purge(1, 4, 7, 28);
-
- /* Try purging on a specified tag, no such type. */
- if (verbose) {
- print_message("# testing purge on 0,99-101,8 expecting 0\n");
- }
- purge_sender = NULL;
- purge_type_first = 99;
- purge_type_last = 101;
- purge_tag = (void *)8;
- testrange = true;
- test_purge(1, 4, 7, 0);
-
- /* Try purging on specified sender, type, all tags. */
- if (verbose) {
- print_message("# testing purge on 3,5-6,0 expecting 10\n");
- }
- purge_sender = &senders[3];
- purge_type_first = 5;
- purge_type_last = 6;
- purge_tag = NULL;
- testrange = true;
- test_purge(1, 4, 7, 10);
-}
-
/*
* Helpers for purge event tests
*/
}
static void
-try_purgeevent(bool purgeable) {
+try_purgeevent(void) {
isc_result_t result;
isc_task_t *task = NULL;
bool purged;
event2_clone = event2;
- if (purgeable) {
- event2->ev_attributes &= ~ISC_EVENTATTR_NOPURGE;
- } else {
- event2->ev_attributes |= ISC_EVENTATTR_NOPURGE;
- }
-
isc_task_send(task, &event2);
purged = isc_task_purgeevent(task, event2_clone);
- assert_int_equal(purgeable, purged);
+
+ assert_true(purged);
/*
* Unblock the task, allowing event processing.
UNLOCK(&lock);
isc_task_detach(&task);
-
- assert_int_equal(eventcnt, (purgeable ? 0 : 1));
}
/*
purgeevent(void **state) {
UNUSED(state);
- try_purgeevent(true);
-}
-
-/*
- * Purge event not purgeable test:
- * When the event is not marked as purgable, a call to
- * isc_task_purgeevent(task, event) does not purge the event
- * 'event' from the task's queue and returns false.
- */
-
-static void
-purgeevent_notpurge(void **state) {
- UNUSED(state);
-
- try_purgeevent(false);
+ try_purgeevent();
}
int
_teardown),
cmocka_unit_test_setup_teardown(privileged_events, _setup,
_teardown),
- cmocka_unit_test_setup_teardown(purge, _setup2, _teardown),
cmocka_unit_test_setup_teardown(purgeevent, _setup2, _teardown),
- cmocka_unit_test_setup_teardown(purgeevent_notpurge, _setup,
- _teardown),
- cmocka_unit_test_setup_teardown(purgerange, _setup, _teardown),
cmocka_unit_test_setup_teardown(task_shutdown, _setup4,
_teardown),
cmocka_unit_test_setup_teardown(task_exclusive, _setup4,