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fix nasty dead-lock in queue unit-test

This commit is contained in:
Steffen Vogel 2017-03-29 04:26:16 +02:00
parent 3405f4ffed
commit 5f17ed7786

View file

@ -23,6 +23,8 @@
static struct queue q = { .state = STATE_DESTROYED };
static pthread_barrier_t barrier;
struct param {
int volatile start;
int thread_count;
@ -150,6 +152,8 @@ void * producer_consumer(void *ctx)
nop();
for (int iter = 0; iter < p->iter_count; ++iter) {
pthread_barrier_wait(&barrier);
for (size_t i = 0; i < p->batch_size; i++) {
void *ptr = (void *) (iter * p->batch_size + i);
while (!queue_push(&p->queue, ptr))
@ -186,6 +190,8 @@ void * producer_consumer_many(void *ctx)
for (int iter = 0; iter < p->iter_count; ++iter) {
for (size_t i = 0; i < p->batch_size; i++)
ptrs[i] = (void *) (iter * p->batch_size + i);
pthread_barrier_wait(&barrier);
int pushed = 0;
do {
@ -245,7 +251,7 @@ ParameterizedTestParameters(queue, multi_threaded)
.memtype = &memtype_heap
}, {
.iter_count = 1 << 16,
.queue_size = 1 << 9,
.queue_size = 1 << 14,
.thread_count = 16,
.thread_func = producer_consumer_many,
.batch_size = 100,
@ -270,7 +276,7 @@ ParameterizedTestParameters(queue, multi_threaded)
return cr_make_param_array(struct param, params, ARRAY_LEN(params));
}
ParameterizedTest(struct param *p, queue, multi_threaded, .timeout = 10)
ParameterizedTest(struct param *p, queue, multi_threaded, .timeout = 20)
{
int ret, cycpop;
@ -283,6 +289,8 @@ ParameterizedTest(struct param *p, queue, multi_threaded, .timeout = 10)
uint64_t start_tsc_time, end_tsc_time;
pthread_barrier_init(&barrier, NULL, p->thread_count);
for (int i = 0; i < p->thread_count; ++i)
pthread_create(&threads[i], NULL, p->thread_func, p);
@ -293,6 +301,8 @@ ParameterizedTest(struct param *p, queue, multi_threaded, .timeout = 10)
for (int i = 0; i < p->thread_count; ++i)
pthread_join(threads[i], NULL);
pthread_barrier_destroy(&barrier);
end_tsc_time = rdtsc();
cycpop = (end_tsc_time - start_tsc_time) / p->iter_count;