diff options
Diffstat (limited to 'v4l2-mfc-example/queue.c')
-rw-r--r-- | v4l2-mfc-example/queue.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/v4l2-mfc-example/queue.c b/v4l2-mfc-example/queue.c index 62b7dfd..f1fce13 100644 --- a/v4l2-mfc-example/queue.c +++ b/v4l2-mfc-example/queue.c @@ -72,6 +72,15 @@ int queue_remove(struct queue *q) return x; } +int queue_empty(struct queue *q) +{ + int x; + pthread_mutex_lock(&q->mutex); + x = (q->n == 0); + pthread_mutex_unlock(&q->mutex); + return x; +} + void queue_free(struct queue *q) { free(q->q); |