New error codes:

- B_SHUTDOWN_CANCELLED: The shutdown process was cancelled (most likely by
  the user).
- B_SHUTTING_DOWN: An operation cannot be performed, since the system is
  shutting down (e.g. BApplication creation).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13413 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/support/Errors.h

@@ -106,7 +106,9 @@ enum
 	B_LAUNCH_FAILED_NO_PREFERRED_APP,
 	B_LAUNCH_FAILED_FILES_APP_NOT_FOUND,
 	B_BAD_MIME_SNIFFER_RULE,
-	B_NOT_A_MESSAGE
+	B_NOT_A_MESSAGE,
+	B_SHUTDOWN_CANCELLED,
+	B_SHUTTING_DOWN
 };
 
 

src/system/libroot/posix/string/strerror.c

@@ -168,6 +168,10 @@ error_description(int error)
 			return "Bad sniffer rule";
 		case B_NOT_A_MESSAGE:
 			return "Data is not a message";
+		case B_SHUTDOWN_CANCELLED:
+			return "System shutdown cancelled";
+		case B_SHUTTING_DOWN:
+			return "System shutting down";
 
 		// Storage Kit Errors