Add an asynchronous DNS thread.

[meshlink] / src / meshlink_queue.h

diff --git a/src/meshlink_queue.h b/src/meshlink_queue.h
index 996231807096dc878036492450b24b38c5ecf7ac..b6e63c67da833ce48f1bfb02caf5ee28e158f89e 100644 (file)
--- a/src/meshlink_queue.h
+++ b/src/meshlink_queue.h
@@ -45,7 +45,11 @@ static inline void meshlink_queue_init(meshlink_queue_t *queue) {
        pthread_mutex_init(&queue->mutex, &attr);
 }
 
-static inline bool meshlink_queue_push(meshlink_queue_t *queue, void *data) {
+static inline void meshlink_queue_exit(meshlink_queue_t *queue) {
+       pthread_mutex_destroy(&queue->mutex);
+}
+
+static inline __attribute__((__warn_unused_result__)) bool meshlink_queue_push(meshlink_queue_t *queue, void *data) {
        meshlink_queue_item_t *item = malloc(sizeof(*item));
 
        if(!item) {
@@ -66,9 +70,9 @@ static inline bool meshlink_queue_push(meshlink_queue_t *queue, void *data) {
        return true;
 }
 
-static inline void *meshlink_queue_pop(meshlink_queue_t *queue) {
+static inline __attribute__((__warn_unused_result__)) void *meshlink_queue_pop(meshlink_queue_t *queue) {
        meshlink_queue_item_t *item;
-       void *data;
+
        pthread_mutex_lock(&queue->mutex);
 
        if((item = queue->head)) {
@@ -80,7 +84,31 @@ static inline void *meshlink_queue_pop(meshlink_queue_t *queue) {
        }
 
        pthread_mutex_unlock(&queue->mutex);
-       data = item ? item->data : NULL;
+
+       void *data = item ? item->data : NULL;
+       free(item);
+       return data;
+}
+
+static inline __attribute__((__warn_unused_result__)) void *meshlink_queue_pop_cond(meshlink_queue_t *queue, pthread_cond_t *cond) {
+       meshlink_queue_item_t *item;
+
+       pthread_mutex_lock(&queue->mutex);
+
+       while(!queue->head) {
+               pthread_cond_wait(cond, &queue->mutex);
+       }
+
+       item = queue->head;
+       queue->head = item->next;
+
+       if(!queue->head) {
+               queue->tail = NULL;
+       }
+
+       pthread_mutex_unlock(&queue->mutex);
+
+       void *data = item->data;
        free(item);
        return data;
 }