Fixed exit status on start failure.

This and previous commit close #131 issue on GitHub.

src/nxt_main_process.c

@@ -694,7 +694,7 @@ nxt_main_process_sigterm_handler(nxt_task_t *task, void *obj, void *data)
 
     nxt_exiting = 1;
 
-    nxt_runtime_quit(task);
+    nxt_runtime_quit(task, 0);
 }
 
 
@@ -708,7 +708,7 @@ nxt_main_process_sigquit_handler(nxt_task_t *task, void *obj, void *data)
 
     nxt_exiting = 1;
 
-    nxt_runtime_quit(task);
+    nxt_runtime_quit(task, 0);
 }
 
 
@@ -918,7 +918,7 @@ nxt_main_cleanup_worker_process(nxt_task_t *task, nxt_pid_t pid)
         if (nxt_exiting) {
 
             if (rt->nprocesses == 2) {
-                nxt_runtime_quit(task);
+                nxt_runtime_quit(task, 0);
             }
 
         } else if (init != NULL) {

src/nxt_port.c

@@ -177,7 +177,7 @@ nxt_port_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
 void
 nxt_port_quit_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
 {
-    nxt_runtime_quit(task);
+    nxt_runtime_quit(task, 0);
 }
 
 

src/nxt_runtime.c

@@ -19,7 +19,7 @@ static nxt_int_t nxt_runtime_systemd_listen_sockets(nxt_task_t *task,
 static nxt_int_t nxt_runtime_event_engines(nxt_task_t *task, nxt_runtime_t *rt);
 static nxt_int_t nxt_runtime_thread_pools(nxt_thread_t *thr, nxt_runtime_t *rt);
 static void nxt_runtime_start(nxt_task_t *task, void *obj, void *data);
-static void nxt_runtime_initial_start(nxt_task_t *task);
+static void nxt_runtime_initial_start(nxt_task_t *task, nxt_uint_t status);
 static void nxt_runtime_close_idle_connections(nxt_event_engine_t *engine);
 static void nxt_runtime_exit(nxt_task_t *task, void *obj, void *data);
 static nxt_int_t nxt_runtime_event_engine_change(nxt_task_t *task,
@@ -351,12 +351,12 @@ nxt_runtime_start(nxt_task_t *task, void *obj, void *data)
 
 fail:
 
-    nxt_runtime_quit(task);
+    nxt_runtime_quit(task, 1);
 }
 
 
 static void
-nxt_runtime_initial_start(nxt_task_t *task)
+nxt_runtime_initial_start(nxt_task_t *task, nxt_uint_t status)
 {
     nxt_int_t                    ret;
     nxt_thread_t                 *thr;
@@ -407,18 +407,19 @@ nxt_runtime_initial_start(nxt_task_t *task)
 
 fail:
 
-    nxt_runtime_quit(task);
+    nxt_runtime_quit(task, 1);
 }
 
 
 void
-nxt_runtime_quit(nxt_task_t *task)
+nxt_runtime_quit(nxt_task_t *task, nxt_uint_t status)
 {
     nxt_bool_t          done;
     nxt_runtime_t       *rt;
     nxt_event_engine_t  *engine;
 
     rt = task->thread->runtime;
+    rt->status |= status;
     engine = task->thread->engine;
 
     nxt_debug(task, "exiting");
@@ -477,6 +478,7 @@ nxt_runtime_close_idle_connections(nxt_event_engine_t *engine)
 static void
 nxt_runtime_exit(nxt_task_t *task, void *obj, void *data)
 {
+    int                 status;
     nxt_runtime_t       *rt;
     nxt_process_t       *process;
     nxt_event_engine_t  *engine;
@@ -522,11 +524,12 @@ nxt_runtime_exit(nxt_task_t *task, void *obj, void *data)
 
     nxt_thread_mutex_destroy(&rt->processes_mutex);
 
+    status = rt->status;
     nxt_mp_destroy(rt->mem_pool);
 
-    nxt_debug(task, "exit");
+    nxt_debug(task, "exit: %d", status);
 
-    exit(0);
+    exit(status);
     nxt_unreachable();
 }
 
@@ -605,7 +608,7 @@ nxt_runtime_thread_pool_destroy(nxt_task_t *task, nxt_runtime_t *rt,
     n = rt->thread_pools->nelts;
 
     if (n == 0) {
-        cont(task);
+        cont(task, 0);
         return;
     }
 
@@ -658,7 +661,7 @@ nxt_runtime_thread_pool_exit(nxt_task_t *task, void *obj, void *data)
 
             if (n == 1) {
                 /* The last thread pool. */
-                rt->continuation(task);
+                rt->continuation(task, 0);
             }
 
             return;

src/nxt_runtime.h

@@ -9,7 +9,7 @@
 #define _NXT_RUNTIME_H_INCLUDED_
 
 
-typedef void (*nxt_runtime_cont_t)(nxt_task_t *task);
+typedef void (*nxt_runtime_cont_t)(nxt_task_t *task, nxt_uint_t status);
 
 
 struct nxt_runtime_s {
@@ -49,6 +49,8 @@ struct nxt_runtime_s {
 
     uint8_t                daemon;
     uint8_t                batch;
+    uint8_t                status;
+
     const char             *engine;
     uint32_t               engine_connections;
     uint32_t               auxiliary_threads;
@@ -75,7 +77,7 @@ typedef nxt_int_t (*nxt_module_init_t)(nxt_thread_t *thr, nxt_runtime_t *rt);
 
 
 nxt_int_t nxt_runtime_create(nxt_task_t *task);
-void nxt_runtime_quit(nxt_task_t *task);
+void nxt_runtime_quit(nxt_task_t *task, nxt_uint_t status);
 
 void nxt_runtime_event_engine_free(nxt_runtime_t *rt);
 

src/nxt_worker_process.c

@@ -97,7 +97,7 @@ nxt_worker_process_quit(nxt_task_t *task)
         rt->listen_sockets->nelts = 0;
     }
 
-    nxt_runtime_quit(task);
+    nxt_runtime_quit(task, 0);
 }
 
 
@@ -124,7 +124,7 @@ nxt_worker_process_sigterm_handler(nxt_task_t *task, void *obj, void *data)
 
     /* A fast exit. */
 
-    nxt_runtime_quit(task);
+    nxt_runtime_quit(task, 0);
 }