Runtime ports fix, add enumeration macros.

src/nxt_runtime.c

@@ -1499,10 +1499,10 @@ static const nxt_lvlhsh_proto_t  lvlhsh_processes_proto  nxt_aligned(64) = {
     nxt_lvlhsh_free,
 };
 
-
+// Explicitly using 32 bit types to avoid possible alignment.
 typedef struct {
-    nxt_pid_t      pid;
+    int32_t   pid;
-    nxt_port_id_t  port_id;
+    uint32_t  port_id;
 } nxt_pid_port_id_t;
 
 static nxt_int_t
@@ -1689,6 +1689,17 @@ nxt_runtime_process_first(nxt_runtime_t *rt, nxt_lvlhsh_each_t *lhe)
 }
 
 
+nxt_port_t *
+nxt_runtime_port_first(nxt_runtime_t *rt, nxt_lvlhsh_each_t *lhe)
+{
+    nxt_memzero(lhe, sizeof(nxt_lvlhsh_each_t));
+
+    lhe->proto = &lvlhsh_ports_proto;
+
+    return nxt_runtime_port_next(rt, lhe);
+}
+
+
 void
 nxt_runtime_port_add(nxt_runtime_t *rt, nxt_port_t *port)
 {
@@ -1714,6 +1725,8 @@ nxt_runtime_port_add(nxt_runtime_t *rt, nxt_port_t *port)
         break;
 
     default:
+        nxt_thread_log_error(NXT_LOG_WARN, "port #%d for pid %PI add failed",
+                             port->id, port->pid);
         break;
     }
 }

src/nxt_runtime.h

@@ -108,6 +108,12 @@ void nxt_runtime_port_remove(nxt_runtime_t *rt, nxt_port_t *port);
 nxt_port_t *nxt_runtime_port_find(nxt_runtime_t *rt, nxt_pid_t pid,
     nxt_port_id_t port_id);
 
+nxt_port_t *nxt_runtime_port_first(nxt_runtime_t *rt,
+    nxt_lvlhsh_each_t *lhe);
+
+#define nxt_runtime_port_next(rt, lhe)                                        \
+    nxt_lvlhsh_each(&rt->ports, lhe)
+
 
 /* STUB */
 nxt_int_t nxt_runtime_controller_socket(nxt_task_t *task, nxt_runtime_t *rt);
@@ -143,6 +149,19 @@ nxt_int_t nxt_app_start(nxt_task_t *task, nxt_runtime_t *rt);
     } while(0)
 
 
+#define nxt_runtime_port_each(rt, port)                                       \
+    do {                                                                      \
+        nxt_lvlhsh_each_t  _lhe;                                              \
+                                                                              \
+        for (port = nxt_runtime_port_first(rt, &_lhe);                        \
+             port != NULL;                                                    \
+             port = nxt_runtime_port_next(rt, &_lhe)) {                       \
+
+#define nxt_runtime_port_loop                                                 \
+        }                                                                     \
+    } while(0)
+
+
 extern nxt_module_init_t  nxt_init_modules[];
 extern nxt_uint_t         nxt_init_modules_n;