ngx_http_upstream_rr_peer_lock  603 src/http/ngx_http_upstream_round_robin.c     ngx_http_upstream_rr_peer_lock(rrp->peers, peer);
ngx_http_upstream_rr_peer_lock  688 src/http/ngx_http_upstream_round_robin.c         ngx_http_upstream_rr_peer_lock(peers, peer);
ngx_http_upstream_rr_peer_lock  771 src/http/ngx_http_upstream_round_robin.c         ngx_http_upstream_rr_peer_lock(peers, peer);