diff options
Diffstat (limited to 'src/buffer.c')
-rw-r--r-- | src/buffer.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/src/buffer.c b/src/buffer.c index fa0b859..23f7797 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -29,7 +29,6 @@ struct buffer *buffer_create(size_t max_size) b->max_size = max_size; INIT_LIST_HEAD(&b->head); - pthread_mutex_init(&b->lock, NULL); return b; } @@ -39,14 +38,12 @@ void buffer_destroy(struct buffer *b) struct list_head *i, *tmp; struct buffer_node *node; - pthread_mutex_lock(&b->lock); + /* XXX: set cur_size and num_elems */ list_for_each_safe(i, tmp, &b->head) { node = (struct buffer_node *) i; list_del(i); free(node); } - pthread_mutex_unlock(&b->lock); - pthread_mutex_destroy(&b->lock); free(b); } @@ -70,8 +67,6 @@ int buffer_add(struct buffer *b, const void *data, size_t size) int ret = 0; struct buffer_node *n; - pthread_mutex_lock(&b->lock); - /* does it fit this buffer? */ if (size > b->max_size) { errno = ENOSPC; @@ -97,28 +92,22 @@ retry: list_add(&n->head, &b->head); b->cur_size += size; + b->num_elems++; err: - pthread_mutex_unlock(&b->lock); return ret; } -void __buffer_del(struct buffer *b, void *data) +void buffer_del(struct buffer *b, void *data) { struct buffer_node *n = container_of(data, struct buffer_node, data); list_del(&n->head); b->cur_size -= n->size; + b->num_elems--; free(n); } -void buffer_del(struct buffer *b, void *data) -{ - pthread_mutex_lock(&b->lock); - buffer_del(b, data); - pthread_mutex_unlock(&b->lock); -} - void buffer_iterate(struct buffer *b, void *data, int (*iterate)(void *data1, void *data2)) @@ -126,11 +115,14 @@ void buffer_iterate(struct buffer *b, struct list_head *i, *tmp; struct buffer_node *n; - pthread_mutex_lock(&b->lock); list_for_each_safe(i, tmp, &b->head) { n = (struct buffer_node *) i; if (iterate(n->data, data)) break; } - pthread_mutex_unlock(&b->lock); +} + +unsigned int buffer_len(struct buffer *b) +{ + return b->num_elems; } |