diff options
Diffstat (limited to 'gdb/target.c')
| -rw-r--r-- | gdb/target.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gdb/target.c b/gdb/target.c index fcd877cbdea..7feaa359f80 100644 --- a/gdb/target.c +++ b/gdb/target.c @@ -432,6 +432,35 @@ target_load (const char *arg, int from_tty) (*current_target.to_load) (¤t_target, arg, from_tty); } +/* Possible terminal states. */ + +enum terminal_state + { + /* The inferior's terminal settings are in effect. */ + terminal_is_inferior = 0, + + /* Some of our terminal settings are in effect, enough to get + proper output. */ + terminal_is_ours_for_output = 1, + + /* Our terminal settings are in effect, for output and input. */ + terminal_is_ours = 2 + }; + +static enum terminal_state terminal_state; + +/* See target.h. */ + +void +target_terminal_init (void) +{ + (*current_target.to_terminal_init) (¤t_target); + + terminal_state = terminal_is_ours; +} + +/* See target.h. */ + void target_terminal_inferior (void) { @@ -442,9 +471,36 @@ target_terminal_inferior (void) if (target_can_async_p () && !sync_execution) return; + if (terminal_state == terminal_is_inferior) + return; + /* If GDB is resuming the inferior in the foreground, install inferior's terminal modes. */ (*current_target.to_terminal_inferior) (¤t_target); + terminal_state = terminal_is_inferior; +} + +/* See target.h. */ + +void +target_terminal_ours (void) +{ + if (terminal_state == terminal_is_ours) + return; + + (*current_target.to_terminal_ours) (¤t_target); + terminal_state = terminal_is_ours; +} + +/* See target.h. */ + +void +target_terminal_ours_for_output (void) +{ + if (terminal_state != terminal_is_inferior) + return; + (*current_target.to_terminal_ours_for_output) (¤t_target); + terminal_state = terminal_is_ours_for_output; } /* See target.h. */ |