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| author | Tom Tromey <tromey@adacore.com> | 2022-08-30 11:30:13 -0600 |
|---|---|---|
| committer | Tom Tromey <tromey@adacore.com> | 2022-08-31 10:42:51 -0600 |
| commit | 51cacdb50fd2ac2240172a63140e56c0adb41742 (patch) | |
| tree | 836cba445806d7e9b152d31615b0a79bc423476e | |
| parent | 4749b84b51bcaa59acfb8bda5d9e134432528cf9 (diff) | |
| download | binutils-gdb-51cacdb50fd2ac2240172a63140e56c0adb41742.tar.gz | |
Let ui::input_fd be -1
This changes gdb so that, if ui::input_fd is set to -1, then it will
not be registered with the event loop. This is useful for the DAP
support code I wrote, but as it turns out to also be useful to
Insight, it seems best to check it in separately.
| -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 |