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pthreadpool: test cancelling and freeing jobs of a wrapped pthreadpool_tevent
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
This commit is contained in:
Ralph Boehme
parent
f9745d8b52
commit
fb6b6cf3e4
@ -543,6 +543,9 @@ struct test_cancel_state {
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struct test_cancel_job *job4;
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struct test_cancel_job *job5;
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struct test_cancel_job *job6;
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struct test_cancel_job *job7;
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struct test_cancel_job *job8;
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struct test_cancel_job *job9;
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};
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static void test_cancel_job(void **private_data)
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@ -805,6 +808,573 @@ static void test_cancel_job(void **private_data)
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TALLOC_FREE(state);
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}
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struct test_pthreadpool_tevent_wrap_tp_stats {
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unsigned num_before;
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unsigned num_after;
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bool destroyed;
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};
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struct test_pthreadpool_tevent_wrap_tp_state {
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struct test_pthreadpool_tevent_wrap_tp_state **selfptr;
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struct test_pthreadpool_tevent_wrap_tp_stats *stats;
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};
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static int test_pthreadpool_tevent_wrap_tp_state_destructor(
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struct test_pthreadpool_tevent_wrap_tp_state *state)
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{
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state->stats->destroyed = true;
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*state->selfptr = NULL;
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return 0;
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}
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static bool test_pthreadpool_tevent_tp_before(struct pthreadpool_tevent *wrap,
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void *private_data,
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struct pthreadpool_tevent *main,
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const char *location)
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{
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struct test_pthreadpool_tevent_wrap_tp_state *state =
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talloc_get_type_abort(private_data,
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struct test_pthreadpool_tevent_wrap_tp_state);
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state->stats->num_before++;
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return true;
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}
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static bool test_pthreadpool_tevent_tp_after(struct pthreadpool_tevent *wrap,
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void *private_data,
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struct pthreadpool_tevent *main,
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const char *location)
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{
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struct test_pthreadpool_tevent_wrap_tp_state *state =
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talloc_get_type_abort(private_data,
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struct test_pthreadpool_tevent_wrap_tp_state);
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state->stats->num_after++;
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return true;
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}
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static const struct pthreadpool_tevent_wrapper_ops test_tp_ops = {
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.name = "test_pthreadpool_tevent_tp",
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.before_job = test_pthreadpool_tevent_tp_before,
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.after_job = test_pthreadpool_tevent_tp_after,
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};
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static void test_wrap_cancel_job(void **private_data)
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{
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struct pthreadpool_tevent_test *t = *private_data;
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struct tevent_context *ev = t->ev;
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struct pthreadpool_tevent *poolw1 = NULL;
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struct test_pthreadpool_tevent_wrap_tp_state *poolw1_state = NULL;
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struct test_pthreadpool_tevent_wrap_tp_stats poolw1_stats = {
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.destroyed = false,
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};
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struct pthreadpool_tevent *poolw2 = NULL;
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struct test_pthreadpool_tevent_wrap_tp_state *poolw2_state = NULL;
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struct test_pthreadpool_tevent_wrap_tp_stats poolw2_stats = {
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.destroyed = false,
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};
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size_t max_threads_o;
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size_t max_threads_w1;
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size_t max_threads_w2;
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bool per_thread_cwd_o;
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bool per_thread_cwd_w1;
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bool per_thread_cwd_w2;
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struct test_cancel_state *state = NULL;
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int ret;
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bool ok;
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int fdpair[2] = { -1, -1 };
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char c = 0;
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max_threads_o = pthreadpool_tevent_max_threads(t->opool);
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per_thread_cwd_o = pthreadpool_tevent_per_thread_cwd(t->opool);
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poolw1 = pthreadpool_tevent_wrapper_create(
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t->opool, t, &test_tp_ops, &poolw1_state,
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struct test_pthreadpool_tevent_wrap_tp_state);
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assert_non_null(poolw1);
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poolw1_state->selfptr = &poolw1_state;
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ANNOTATE_BENIGN_RACE_SIZED(&poolw1_stats,
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sizeof(poolw1_stats),
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"protected by pthreadpool_tevent code");
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poolw1_state->stats = &poolw1_stats;
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talloc_set_destructor(poolw1_state,
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test_pthreadpool_tevent_wrap_tp_state_destructor);
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poolw2 = pthreadpool_tevent_wrapper_create(
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t->opool, t, &test_tp_ops, &poolw2_state,
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struct test_pthreadpool_tevent_wrap_tp_state);
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assert_non_null(poolw2);
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poolw2_state->selfptr = &poolw2_state;
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ANNOTATE_BENIGN_RACE_SIZED(&poolw2_stats,
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sizeof(poolw2_stats),
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"protected by pthreadpool_tevent code");
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poolw2_state->stats = &poolw2_stats;
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talloc_set_destructor(poolw2_state,
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test_pthreadpool_tevent_wrap_tp_state_destructor);
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assert_false(poolw1_stats.destroyed);
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assert_int_equal(poolw1_stats.num_before, 0);
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assert_int_equal(poolw1_stats.num_after, 0);
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max_threads_w1 = pthreadpool_tevent_max_threads(poolw1);
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assert_int_equal(max_threads_w1, max_threads_o);
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per_thread_cwd_w1 = pthreadpool_tevent_per_thread_cwd(poolw1);
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assert_int_equal(per_thread_cwd_w1, per_thread_cwd_o);
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assert_false(poolw2_stats.destroyed);
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assert_int_equal(poolw2_stats.num_before, 0);
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assert_int_equal(poolw2_stats.num_after, 0);
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max_threads_w2 = pthreadpool_tevent_max_threads(poolw2);
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assert_int_equal(max_threads_w2, max_threads_o);
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per_thread_cwd_w2 = pthreadpool_tevent_per_thread_cwd(poolw2);
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assert_int_equal(per_thread_cwd_w2, per_thread_cwd_o);
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state = talloc_zero(t, struct test_cancel_state);
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assert_non_null(state);
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state->job1 = test_cancel_job_create(state);
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assert_non_null(state->job1);
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state->job2 = test_cancel_job_create(state);
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assert_non_null(state->job2);
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state->job3 = test_cancel_job_create(state);
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assert_non_null(state->job3);
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ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fdpair);
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assert_int_equal(ret, 0);
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state->job1->fdm = fdpair[0];
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state->job1->fdj = fdpair[1];
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assert_int_equal(pthreadpool_tevent_queued_jobs(t->opool), 0);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw1), 0);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw2), 0);
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will_return(__wrap_pthread_create, 0);
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state->job1->req = pthreadpool_tevent_job_send(
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state->job1, ev, poolw1, test_cancel_job_fn, state->job1);
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assert_non_null(state->job1->req);
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tevent_req_set_callback(state->job1->req,
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test_cancel_job_done,
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state->job1);
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state->job2->req = pthreadpool_tevent_job_send(
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state->job2, ev, poolw1, test_cancel_job_fn, NULL);
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assert_non_null(state->job2->req);
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tevent_req_set_callback(state->job2->req,
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test_cancel_job_done,
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state->job2);
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state->job3->req = pthreadpool_tevent_job_send(
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state->job3, ev, poolw1, test_cancel_job_fn, NULL);
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assert_non_null(state->job3->req);
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tevent_req_set_callback(state->job3->req,
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test_cancel_job_done,
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state->job3);
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/*
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* Wait for the job 1 to start.
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*/
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ret = read(state->job1->fdm, &c, 1);
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assert_int_equal(ret, 1);
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/*
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* We cancel job 3 and destroy job2.
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* Both should never be executed.
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*/
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assert_int_equal(pthreadpool_tevent_queued_jobs(t->opool), 2);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw1), 2);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw2), 2);
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TALLOC_FREE(state->job2->req);
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assert_int_equal(pthreadpool_tevent_queued_jobs(t->opool), 1);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw1), 1);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw2), 1);
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ok = tevent_req_cancel(state->job3->req);
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assert_true(ok);
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assert_int_equal(pthreadpool_tevent_queued_jobs(t->opool), 0);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw1), 0);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw2), 0);
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/*
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* Job 3 should complete as canceled, while
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* job 1 is still running.
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*/
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test_cancel_job_wait(state->job3, ev);
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assert_int_equal(state->job3->ret, ECANCELED);
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assert_null(state->job3->req);
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assert_false(state->job3->started);
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/*
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* Now job1 is canceled while it's running,
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* this should let it stop it's loop.
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*/
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ok = tevent_req_cancel(state->job1->req);
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assert_false(ok);
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/*
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* Job 1 completes, It got at least one sleep
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* timeout loop and has state->job1->canceled set.
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*/
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test_cancel_job_wait(state->job1, ev);
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assert_int_equal(state->job1->ret, 0);
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assert_null(state->job1->req);
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assert_true(state->job1->started);
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assert_true(state->job1->finished);
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assert_true(state->job1->canceled);
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assert_false(state->job1->orphaned);
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assert_in_range(state->job1->polls, 1, 100);
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assert_int_equal(state->job1->timeouts, state->job1->polls);
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assert_false(poolw1_stats.destroyed);
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assert_int_equal(poolw1_stats.num_before, 1);
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assert_int_equal(poolw1_stats.num_after, 1);
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assert_int_equal(pthreadpool_tevent_queued_jobs(t->opool), 0);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw1), 0);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw2), 0);
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/*
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* Now we create jobs 4 and 5
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* Both should execute.
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* Job 4 is orphaned while running by a TALLOC_FREE()
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* This should stop job 4 and let job 5 start.
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* We do a "normal" exit in job 5 by creating some activity
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* on the socketpair.
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*/
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state->job4 = test_cancel_job_create(state);
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assert_non_null(state->job4);
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ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fdpair);
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assert_int_equal(ret, 0);
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state->job4->fdm = fdpair[0];
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state->job4->fdj = fdpair[1];
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state->job4->req = pthreadpool_tevent_job_send(
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state->job4, ev, poolw1, test_cancel_job_fn, state->job4);
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assert_non_null(state->job4->req);
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tevent_req_set_callback(state->job4->req,
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test_cancel_job_done,
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state->job4);
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state->job5 = test_cancel_job_create(state);
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assert_non_null(state->job5);
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ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fdpair);
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assert_int_equal(ret, 0);
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state->job5->fdm = fdpair[0];
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state->job5->fdj = fdpair[1];
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state->job5->req = pthreadpool_tevent_job_send(
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state->job5, ev, poolw1, test_cancel_job_fn, state->job5);
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assert_non_null(state->job5->req);
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tevent_req_set_callback(state->job5->req,
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test_cancel_job_done,
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state->job5);
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/*
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* Make sure job 5 can exit as soon as possible.
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* It will never get a sleep/poll timeout.
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*/
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ret = write(state->job5->fdm, &c, 1);
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assert_int_equal(ret, 1);
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/*
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* Wait for the job 4 to start
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*/
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ret = read(state->job4->fdm, &c, 1);
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assert_int_equal(ret, 1);
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assert_false(poolw1_stats.destroyed);
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assert_int_equal(poolw1_stats.num_before, 2);
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assert_int_equal(poolw1_stats.num_after, 1);
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assert_int_equal(pthreadpool_tevent_queued_jobs(t->opool), 1);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw1), 1);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw2), 1);
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/*
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* destroy the request so that it's marked
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* as orphaned.
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*
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* As we're in the wrapper mode, the
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* job thread will exit and try to create
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* a new thread.
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*/
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TALLOC_FREE(state->job4->req);
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/*
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* Job 5 completes, It got no sleep timeout loop.
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*/
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will_return(__wrap_pthread_create, 0);
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test_cancel_job_wait(state->job5, ev);
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assert_int_equal(state->job5->ret, 0);
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assert_null(state->job5->req);
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assert_true(state->job5->started);
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assert_true(state->job5->finished);
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assert_false(state->job5->canceled);
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assert_false(state->job5->orphaned);
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assert_int_equal(state->job5->polls, 1);
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assert_int_equal(state->job5->timeouts, 0);
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assert_false(poolw1_stats.destroyed);
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assert_int_equal(poolw1_stats.num_before, 3);
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assert_int_equal(poolw1_stats.num_after, 2);
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assert_int_equal(pthreadpool_tevent_queued_jobs(t->opool), 0);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw1), 0);
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assert_int_equal(pthreadpool_tevent_queued_jobs(poolw2), 0);
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/*
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* Job 2 is still not executed as we did a TALLOC_FREE()
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* before is was scheduled.
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*/
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assert_false(state->job2->completed);
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assert_false(state->job2->started);
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/*
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* Job 4 is still wasn't completed as we did a TALLOC_FREE()
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* while it is was running. but it was started and has
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* orphaned set
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*/
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assert_false(state->job4->completed);
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assert_true(state->job4->started);
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assert_true(state->job4->finished);
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assert_false(state->job4->canceled);
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assert_true(state->job4->orphaned);
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assert_in_range(state->job4->polls, 1, 100);
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assert_int_equal(state->job4->timeouts, state->job4->polls);
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assert_false(poolw1_stats.destroyed);
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assert_int_equal(poolw1_stats.num_before, 3);
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assert_int_equal(poolw1_stats.num_after, 2);
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/*
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* Now we create jobs 6 and 7
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* Both should execute.
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* We destroy the pool wrapper (1) while job 6 is executing.
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* This should stop job 6 and let job 7 start.
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* Job 7 runs on the pool wrapper (2).
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* We do a "normal" exit in job 7 by creating some activity
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* on the socketpair.
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*/
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state->job6 = test_cancel_job_create(state);
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assert_non_null(state->job6);
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ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fdpair);
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assert_int_equal(ret, 0);
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state->job6->fdm = fdpair[0];
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state->job6->fdj = fdpair[1];
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state->job6->req = pthreadpool_tevent_job_send(
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state->job6, ev, poolw1, test_cancel_job_fn, state->job6);
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assert_non_null(state->job6->req);
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tevent_req_set_callback(state->job6->req,
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test_cancel_job_done,
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state->job6);
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state->job7 = test_cancel_job_create(state);
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assert_non_null(state->job7);
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ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fdpair);
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assert_int_equal(ret, 0);
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state->job7->fdm = fdpair[0];
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state->job7->fdj = fdpair[1];
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state->job7->req = pthreadpool_tevent_job_send(
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state->job7, ev, poolw2, test_cancel_job_fn, state->job7);
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assert_non_null(state->job7->req);
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tevent_req_set_callback(state->job7->req,
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test_cancel_job_done,
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state->job7);
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/*
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* Make sure job 7 can exit as soon as possible.
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* It will never get a sleep/poll timeout.
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*/
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ret = write(state->job7->fdm, &c, 1);
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assert_int_equal(ret, 1);
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/*
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* Wait for the job 6 to start
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*/
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ret = read(state->job6->fdm, &c, 1);
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assert_int_equal(ret, 1);
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assert_non_null(poolw1_state);
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assert_false(poolw1_stats.destroyed);
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assert_int_equal(poolw1_stats.num_before, 4);
|
||||
assert_int_equal(poolw1_stats.num_after, 2);
|
||||
|
||||
assert_int_equal(pthreadpool_tevent_queued_jobs(t->opool), 1);
|
||||
assert_int_equal(pthreadpool_tevent_queued_jobs(poolw1), 1);
|
||||
assert_int_equal(pthreadpool_tevent_queued_jobs(poolw2), 1);
|
||||
|
||||
/*
|
||||
* destroy the request so that it's marked
|
||||
* as orphaned.
|
||||
*/
|
||||
TALLOC_FREE(poolw1);
|
||||
|
||||
/*
|
||||
* Wait until the job finished.
|
||||
*/
|
||||
ret = read(state->job6->fdm, &c, 1);
|
||||
assert_int_equal(ret, 0);
|
||||
|
||||
assert_null(poolw1_state);
|
||||
assert_true(poolw1_stats.destroyed);
|
||||
assert_int_equal(poolw1_stats.num_before, 4);
|
||||
assert_int_equal(poolw1_stats.num_after, 2);
|
||||
|
||||
/*
|
||||
* Job 6 is still dangling arround.
|
||||
*
|
||||
* We need to convince valgrind --tool={drd,helgrind}
|
||||
* that the read above is good enough to be
|
||||
* sure the job is finished and closed the other end of
|
||||
* the socketpair.
|
||||
*/
|
||||
ANNOTATE_BENIGN_RACE_SIZED(state->job6,
|
||||
sizeof(*state->job6),
|
||||
"protected by thread fence");
|
||||
assert_non_null(state->job6->req);
|
||||
assert_true(tevent_req_is_in_progress(state->job6->req));
|
||||
assert_false(state->job6->completed);
|
||||
assert_true(state->job6->started);
|
||||
assert_true(state->job6->finished);
|
||||
assert_false(state->job6->canceled);
|
||||
assert_true(state->job6->orphaned);
|
||||
assert_in_range(state->job6->polls, 1, 100);
|
||||
assert_int_equal(state->job6->timeouts, state->job4->polls);
|
||||
|
||||
/*
|
||||
* Job 7 completes, It got no sleep timeout loop.
|
||||
*/
|
||||
will_return(__wrap_pthread_create, 0);
|
||||
test_cancel_job_wait(state->job7, ev);
|
||||
assert_int_equal(state->job7->ret, 0);
|
||||
assert_null(state->job7->req);
|
||||
assert_true(state->job7->started);
|
||||
assert_true(state->job7->finished);
|
||||
assert_false(state->job7->canceled);
|
||||
assert_false(state->job7->orphaned);
|
||||
assert_int_equal(state->job7->polls, 1);
|
||||
assert_int_equal(state->job7->timeouts, 0);
|
||||
|
||||
assert_non_null(poolw2_state);
|
||||
assert_false(poolw2_stats.destroyed);
|
||||
assert_int_equal(poolw2_stats.num_before, 1);
|
||||
assert_int_equal(poolw2_stats.num_after, 1);
|
||||
|
||||
assert_int_equal(pthreadpool_tevent_queued_jobs(t->opool), 0);
|
||||
assert_int_equal(pthreadpool_tevent_queued_jobs(poolw2), 0);
|
||||
|
||||
/*
|
||||
* Now we create jobs 8
|
||||
* On a new wrapper pool
|
||||
* We destroy the main pool while it's executing.
|
||||
*/
|
||||
|
||||
state->job8 = test_cancel_job_create(state);
|
||||
assert_non_null(state->job8);
|
||||
|
||||
ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fdpair);
|
||||
assert_int_equal(ret, 0);
|
||||
|
||||
state->job8->fdm = fdpair[0];
|
||||
state->job8->fdj = fdpair[1];
|
||||
|
||||
state->job8->req = pthreadpool_tevent_job_send(
|
||||
state->job8, ev, poolw2, test_cancel_job_fn, state->job8);
|
||||
assert_non_null(state->job8->req);
|
||||
tevent_req_set_callback(state->job8->req,
|
||||
test_cancel_job_done,
|
||||
state->job8);
|
||||
|
||||
/*
|
||||
* Wait for the job 8 to start
|
||||
*/
|
||||
ret = read(state->job8->fdm, &c, 1);
|
||||
assert_int_equal(ret, 1);
|
||||
|
||||
assert_false(poolw2_stats.destroyed);
|
||||
assert_int_equal(poolw2_stats.num_before, 2);
|
||||
assert_int_equal(poolw2_stats.num_after, 1);
|
||||
|
||||
/*
|
||||
* destroy the request so that it's marked
|
||||
* as orphaned.
|
||||
*/
|
||||
TALLOC_FREE(t->opool);
|
||||
|
||||
/*
|
||||
* Wait until the job finished.
|
||||
*/
|
||||
ret = read(state->job8->fdm, &c, 1);
|
||||
assert_int_equal(ret, 0);
|
||||
|
||||
assert_null(poolw2_state);
|
||||
assert_true(poolw2_stats.destroyed);
|
||||
assert_int_equal(poolw2_stats.num_before, 2);
|
||||
assert_int_equal(poolw2_stats.num_after, 1);
|
||||
|
||||
/*
|
||||
* Job 8 is still dangling arround.
|
||||
*
|
||||
* We need to convince valgrind --tool={drd,helgrind}
|
||||
* that the read above is good enough to be
|
||||
* sure the job is finished and closed the other end of
|
||||
* the socketpair.
|
||||
*/
|
||||
ANNOTATE_BENIGN_RACE_SIZED(state->job8,
|
||||
sizeof(*state->job8),
|
||||
"protected by thread fence");
|
||||
assert_non_null(state->job8->req);
|
||||
assert_true(tevent_req_is_in_progress(state->job8->req));
|
||||
assert_false(state->job8->completed);
|
||||
assert_true(state->job8->started);
|
||||
assert_true(state->job8->finished);
|
||||
assert_false(state->job8->canceled);
|
||||
assert_true(state->job8->orphaned);
|
||||
assert_in_range(state->job8->polls, 1, 100);
|
||||
assert_int_equal(state->job8->timeouts, state->job4->polls);
|
||||
|
||||
/*
|
||||
* Now check that adding a new job to the dangling
|
||||
* wrapper gives an error.
|
||||
*/
|
||||
state->job9 = test_cancel_job_create(state);
|
||||
assert_non_null(state->job9);
|
||||
|
||||
state->job9->req = pthreadpool_tevent_job_send(
|
||||
state->job9, ev, poolw2, test_cancel_job_fn, state->job9);
|
||||
assert_non_null(state->job9->req);
|
||||
tevent_req_set_callback(state->job9->req,
|
||||
test_cancel_job_done,
|
||||
state->job9);
|
||||
|
||||
/*
|
||||
* Job 9 completes, But with a failure.
|
||||
*/
|
||||
test_cancel_job_wait(state->job9, ev);
|
||||
assert_int_equal(state->job9->ret, EINVAL);
|
||||
assert_null(state->job9->req);
|
||||
assert_false(state->job9->started);
|
||||
assert_false(state->job9->finished);
|
||||
assert_false(state->job9->canceled);
|
||||
assert_false(state->job9->orphaned);
|
||||
assert_int_equal(state->job9->polls, 0);
|
||||
assert_int_equal(state->job9->timeouts, 0);
|
||||
|
||||
TALLOC_FREE(state);
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
const struct CMUnitTest tests[] = {
|
||||
@ -817,6 +1387,9 @@ int main(int argc, char **argv)
|
||||
cmocka_unit_test_setup_teardown(test_cancel_job,
|
||||
setup_pthreadpool_tevent,
|
||||
teardown_pthreadpool_tevent),
|
||||
cmocka_unit_test_setup_teardown(test_wrap_cancel_job,
|
||||
setup_pthreadpool_tevent,
|
||||
teardown_pthreadpool_tevent),
|
||||
};
|
||||
|
||||
cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user