[Oops, the previous commit was missing the update to syscons.h.]

Like scr_lock, the grab count needs to be per-physical-device to work.

This bug corrupted the grab count on both vtys if the ungrabbed vty is
different from the console, and failed to restore the keyboard state
on the ungrabbed vty, but not restoring it usually left the keyboard
mode part of the keyboard state uncorrupted at 1 (K_XLATE), while
after this fix the keyboard mode part is usually corrupted to 0 (K_RAW).

While here, rename the grab count from grabbed to grab_level.
This commit is contained in:
Bruce Evans 2016-08-15 17:11:05 +00:00
parent 71e40e4a49
commit 1388e8b13e

View File

@ -230,6 +230,7 @@ typedef struct sc_softc {
char switch_in_progress;
char write_in_progress;
char blink_in_progress;
int grab_level;
struct mtx scr_lock; /* mutex for sc_puts() */
struct mtx video_mtx;
@ -304,7 +305,6 @@ typedef struct scr_stat {
void *ts;
int status; /* status (bitfield) */
int grabbed;
int kbd_mode; /* keyboard I/O mode */
int kbd_prev_mode; /* keyboard I/O mode */