core: restore signal "signal_sighup", and if eaten do not reload configuration

src/core/wee-command.c

@@ -5197,6 +5197,7 @@ void
 command_reload_files ()
 {
     struct t_config_file *ptr_config_file;
+
     for (ptr_config_file = config_files; ptr_config_file;
          ptr_config_file = ptr_config_file->next_config)
     {
@@ -5204,7 +5205,6 @@ command_reload_files ()
     }
 }
 
-
 /*
  * Callback for command "/reload": reloads a configuration file.
  */

src/core/wee-util.c

@@ -464,6 +464,28 @@ util_signal_search (const char *name)
     return -1;
 }
 
+/*
+ * Gets a signal name with a signal number; only some commonly used signal
+ * names are supported here (see declaration of util_signals[]).
+ *
+ * Returns the pointer to the signal name, NULL if not found.
+ */
+
+const char *
+util_signal_search_number (int signal_number)
+{
+    int i;
+
+    for (i = 0; util_signals[i].name; i++)
+    {
+        if (util_signals[i].signal == signal_number)
+            return util_signals[i].name;
+    }
+
+    /* signal not found */
+    return NULL;
+}
+
 /*
  * Catches a system signal.
  */

src/core/wee-util.h

@@ -59,6 +59,7 @@ extern long util_parse_delay (const char *string_delay, long default_factor);
 
 /* signal */
 extern int util_signal_search (const char *name);
+extern const char *util_signal_search_number (int signal_number);
 extern void util_catch_signal (int signum, void (*handler)(int));
 
 /* files/directories */

src/core/weechat.c

@@ -688,7 +688,7 @@ weechat_locale_check ()
 }
 
 /*
- * Callback for system signal SIGHUP: reloads config.
+ * Callback for system signal SIGHUP: reloads configuration.
  */
 
 void