diff options
Diffstat (limited to 'gdb/target/target.h')
| -rw-r--r-- | gdb/target/target.h | 67 |
1 files changed, 38 insertions, 29 deletions
diff --git a/gdb/target/target.h b/gdb/target/target.h index 5571e16..879e730 100644 --- a/gdb/target/target.h +++ b/gdb/target/target.h @@ -95,6 +95,21 @@ extern void target_mourn_inferior (ptid_t ptid); extern int target_supports_multi_process (void); +/* Possible terminal states. */ + +enum class target_terminal_state + { + /* The inferior's terminal settings are in effect. */ + is_inferior = 0, + + /* Some of our terminal settings are in effect, enough to get + proper output. */ + is_ours_for_output = 1, + + /* Our terminal settings are in effect, for output and input. */ + is_ours = 2 + }; + /* Represents the state of the target terminal. */ class target_terminal { @@ -108,9 +123,9 @@ public: before we actually run the inferior. */ static void init (); - /* Put the inferior's terminal settings into effect. This is - preparation for starting or resuming the inferior. This is a no-op - unless called with the main UI as current UI. */ + /* Put the current inferior's terminal settings into effect. This + is preparation for starting or resuming the inferior. This is a + no-op unless called with the main UI as current UI. */ static void inferior (); /* Put our terminal settings into effect. First record the inferior's @@ -125,40 +140,34 @@ public: UI as current UI. */ static void ours_for_output (); + /* Restore terminal settings of inferiors that are in + is_ours_for_output state back to "inferior". Used when we need + to temporarily switch to is_ours_for_output state. */ + static void restore_inferior (); + /* Returns true if the terminal settings of the inferior are in effect. */ static bool is_inferior () { - return terminal_state == terminal_is_inferior; + return m_terminal_state == target_terminal_state::is_inferior; } /* Returns true if our terminal settings are in effect. */ static bool is_ours () { - return terminal_state == terminal_is_ours; + return m_terminal_state == target_terminal_state::is_ours; + } + + /* Returns true if our terminal settings are in effect. */ + static bool is_ours_for_output () + { + return m_terminal_state == target_terminal_state::is_ours_for_output; } /* Print useful information about our terminal status, if such a thing exists. */ static void info (const char *arg, int from_tty); -private: - - /* 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 - }; - public: /* A class that restores the state of the terminal to the current @@ -168,7 +177,7 @@ public: public: scoped_restore_terminal_state () - : m_state (terminal_state) + : m_state (m_terminal_state) { } @@ -176,14 +185,14 @@ public: { switch (m_state) { - case terminal_is_ours: + case target_terminal_state::is_ours: ours (); break; - case terminal_is_ours_for_output: + case target_terminal_state::is_ours_for_output: ours_for_output (); break; - case terminal_is_inferior: - inferior (); + case target_terminal_state::is_inferior: + restore_inferior (); break; } } @@ -192,12 +201,12 @@ public: private: - target_terminal::terminal_state m_state; + target_terminal_state m_state; }; private: - static terminal_state terminal_state; + static target_terminal_state m_terminal_state; }; #endif /* TARGET_COMMON_H */ |