static void really_destroy(grpc_exec_ctx *exec_ctx, grpc_combiner *lock) {
GRPC_COMBINER_TRACE(gpr_log(GPR_DEBUG, "C:%p really_destroy", lock));
GPR_ASSERT(gpr_atm_no_barrier_load(&lock->state) == 0);
gpr_mpscq_destroy(&lock->queue);
GRPC_WORKQUEUE_UNREF(exec_ctx, lock->optional_workqueue, "combiner");
gpr_free(lock);
}
static void test_mt_multipop(void) {
gpr_log(GPR_DEBUG, "test_mt_multipop");
gpr_event start;
gpr_event_init(&start);
gpr_thd_id thds[100];
gpr_thd_id pull_thds[100];
thd_args ta[GPR_ARRAY_SIZE(thds)];
gpr_mpscq q;
gpr_mpscq_init(&q);
for (size_t i = 0; i < GPR_ARRAY_SIZE(thds); i++) {
gpr_thd_options options = gpr_thd_options_default();
gpr_thd_options_set_joinable(&options);
ta[i].ctr = 0;
ta[i].q = &q;
ta[i].start = &start;
GPR_ASSERT(gpr_thd_new(&thds[i], test_thread, &ta[i], &options));
}
pull_args pa;
pa.ta = ta;
pa.num_thds = GPR_ARRAY_SIZE(thds);
pa.spins = 0;
pa.num_done = 0;
pa.q = &q;
pa.start = &start;
gpr_mu_init(&pa.mu);
for (size_t i = 0; i < GPR_ARRAY_SIZE(pull_thds); i++) {
gpr_thd_options options = gpr_thd_options_default();
gpr_thd_options_set_joinable(&options);
GPR_ASSERT(gpr_thd_new(&pull_thds[i], pull_thread, &pa, &options));
}
gpr_event_set(&start, (void *)1);
for (size_t i = 0; i < GPR_ARRAY_SIZE(pull_thds); i++) {
gpr_thd_join(pull_thds[i]);
}
gpr_log(GPR_DEBUG, "spins: %" PRIdPTR, pa.spins);
for (size_t i = 0; i < GPR_ARRAY_SIZE(thds); i++) {
gpr_thd_join(thds[i]);
}
gpr_mpscq_destroy(&q);
}
static void test_mt(void) {
gpr_log(GPR_DEBUG, "test_mt");
gpr_event start;
gpr_event_init(&start);
gpr_thd_id thds[100];
thd_args ta[GPR_ARRAY_SIZE(thds)];
gpr_mpscq q;
gpr_mpscq_init(&q);
for (size_t i = 0; i < GPR_ARRAY_SIZE(thds); i++) {
gpr_thd_options options = gpr_thd_options_default();
gpr_thd_options_set_joinable(&options);
ta[i].ctr = 0;
ta[i].q = &q;
ta[i].start = &start;
GPR_ASSERT(gpr_thd_new(&thds[i], test_thread, &ta[i], &options));
}
size_t num_done = 0;
size_t spins = 0;
gpr_event_set(&start, (void *)1);
while (num_done != GPR_ARRAY_SIZE(thds)) {
gpr_mpscq_node *n;
while ((n = gpr_mpscq_pop(&q)) == NULL) {
spins++;
}
test_node *tn = (test_node *)n;
GPR_ASSERT(*tn->ctr == tn->i - 1);
*tn->ctr = tn->i;
if (tn->i == THREAD_ITERATIONS) num_done++;
gpr_free(tn);
}
gpr_log(GPR_DEBUG, "spins: %" PRIdPTR, spins);
for (size_t i = 0; i < GPR_ARRAY_SIZE(thds); i++) {
gpr_thd_join(thds[i]);
}
gpr_mpscq_destroy(&q);
}
static void cq_event_queue_destroy(grpc_cq_event_queue *q) {
gpr_mpscq_destroy(&q->queue);
}