Request-app link introduced to prevent mp destroy for penging requests.

nxt_req_conn_link_t still used for lookup connection by request id.
New nxt_req_app_link_t (ra) allocated from conn->mem_pool using mp_retain().
ra stored in app->requests if there is no free worker to process request.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/nxt_port.c b/src/nxt_port.c
index 3f3fdd19..3c6b60b7 100644
--- a/src/nxt_port.c
+++ b/src/nxt_port.c
@@ -41,6 +41,8 @@ nxt_port_new(nxt_port_id_t id, nxt_pid_t pid, nxt_process_type_t type)
         nxt_mp_destroy(mp);
     }
 
+    nxt_thread_log_debug("port %p %d:%d new, type %d", port, pid, id, type);
+
     return port;
 }
 
@@ -48,6 +50,9 @@ nxt_port_new(nxt_port_id_t id, nxt_pid_t pid, nxt_process_type_t type)
 nxt_bool_t
 nxt_port_release(nxt_port_t *port)
 {
+    nxt_thread_log_debug("port %p %d:%d release, type %d", port, port->pid,
+                         port->id, port->type);
+
     if (port->pair[0] != -1) {
         nxt_fd_close(port->pair[0]);
         port->pair[0] = -1;