Add us_loop_pump for libuv

Author: uNetworkingAB

src/eventing/libuv.c

@@ -127,6 +127,10 @@ LIBUS_SOCKET_DESCRIPTOR us_poll_fd(struct us_poll_t *p) {
     return p->fd;
 }
 
+void us_loop_pump(struct us_loop_t *loop) {
+    uv_run(loop->uv_loop, UV_RUN_NOWAIT);
+}
+
 struct us_loop_t *us_create_loop(void *hint, void (*wakeup_cb)(struct us_loop_t *loop), void (*pre_cb)(struct us_loop_t *loop), void (*post_cb)(struct us_loop_t *loop), unsigned int ext_size) {
     struct us_loop_t *loop = (struct us_loop_t *) malloc(sizeof(struct us_loop_t) + ext_size);