Avoid allocating packet buffers unnecessarily.

[meshlink] / src / meshlink_queue.h

diff --git a/src/meshlink_queue.h b/src/meshlink_queue.h
index fc751a8fdd4abbdb2cf55c1fc2ff023468023350..d075f1c8497b887ea17cc0e171c39a6c4fcda7f0 100644 (file)
--- a/src/meshlink_queue.h
+++ b/src/meshlink_queue.h
@@ -36,7 +36,20 @@ typedef struct meshlink_queue_item {
        struct meshlink_queue_item *next;
 } meshlink_queue_item_t;
 
-static inline bool meshlink_queue_push(meshlink_queue_t *queue, void *data) {
+static inline void meshlink_queue_init(meshlink_queue_t *queue) {
+       queue->head = NULL;
+       queue->tail = NULL;
+       pthread_mutexattr_t attr;
+       pthread_mutexattr_init(&attr);
+       pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_DEFAULT);
+       pthread_mutex_init(&queue->mutex, &attr);
+}
+
+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) {
@@ -57,7 +70,7 @@ 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);