add s3 client

1 files changed, 1 insertions, 1 deletions

diff --git a/ringbuf.c b/ringbuf.c
index 2c58752..9f5fb86 100644
--- a/ringbuf.c
+++ b/ringbuf.c
@@ -46,8 +46,8 @@ size_t RingBuffer_space(RingBuffer *self) {
 void RingBuffer_end(RingBuffer *self) {
     pthread_mutex_lock(&self->mutex);
     self->finished_flag = true;
-    pthread_mutex_unlock(&self->mutex);
     pthread_cond_signal(&self->not_empty_cond);
+    pthread_mutex_unlock(&self->mutex);
 }
 
 size_t RingBuffer_write(RingBuffer *self, const uint8_t *data, size_t len) {