diff options
| -rw-r--r-- | gdb/event-top.c | 8 | ||||
| -rw-r--r-- | gdb/top.h | 3 |
2 files changed, 7 insertions, 4 deletions
diff --git a/gdb/event-top.c b/gdb/event-top.c index 02b3786320f..4547d614522 100644 --- a/gdb/event-top.c +++ b/gdb/event-top.c @@ -533,8 +533,9 @@ stdin_event_handler (int error, gdb_client_data client_data) void ui::register_file_handler () { - add_file_handler (input_fd, stdin_event_handler, this, - string_printf ("ui-%d", num), true); + if (input_fd != -1) + add_file_handler (input_fd, stdin_event_handler, this, + string_printf ("ui-%d", num), true); } /* See top.h. */ @@ -542,7 +543,8 @@ ui::register_file_handler () void ui::unregister_file_handler () { - delete_file_handler (input_fd); + if (input_fd != -1) + delete_file_handler (input_fd); } /* Re-enable stdin after the end of an execution command in diff --git a/gdb/top.h b/gdb/top.h index 5c1db84b2ce..9ea07262c39 100644 --- a/gdb/top.h +++ b/gdb/top.h @@ -118,7 +118,8 @@ struct ui FILE *errstream; /* The file descriptor for the input stream, so that we can register - it with the event loop. */ + it with the event loop. This can be set to -1 to prevent this + registration. */ int input_fd; /* Whether ISATTY returns true on input_fd. Cached here because |