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Rename FH_BAD to FH_NADA throughout.

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* devices.h (FH_ERROR): New value.
(iscons_dev): Extend to detect all the console device types.
* devices.in: Set aside storage for FH_ERROR.
* dtable.cc (dtable::init_std_file_from_handle): Use iscons_dev to detect when
device is a console.
(fh_alloc): Pass device to console constructor.
(build_fh_pc): Short circuit when we detect that the constructor saw an error.
* fhandler.h (fhandler_console::fhandler_console): Accept fh_devices parameter.
(get_tty_stuff): Change to void.
* fhandler_console (fhandler_console::set_unit): Set device to FH_ERROR on
attempt to access anything other than the current console.
(fhandler_console::get_tty_stuff): Change to void return.
(fhandler_console::open): Return EPERM on FH_ERROR device type.
(fhandler_console::fhandler_console): Set the device type appropriately before
calling get_tty_stuff and rely on that function to reset it if necessary.
This commit is contained in:
Christopher Faylor
2011-06-12 20:15:26 +00:00
parent 38e356f0e4
commit c3a9063f83
13 changed files with 79 additions and 27 deletions
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4
winsup/cygwin/fhandler.h
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@@ -1087,7 +1087,7 @@ private:
tty_min *tc () const {return &(shared_console_info->tty_min_state);}
public:
fhandler_console ();
fhandler_console (fh_devices);
static console_state *open_shared_console (HWND hw, HANDLE& h)
{
bool createit = false;
@@ -1124,7 +1124,7 @@ private:
void set_close_on_exec (bool val);
void set_input_state ();
void send_winch_maybe ();
tty_min *get_tty_stuff ();
void get_tty_stuff ();
bool set_unit ();
static bool need_invisible ();
static bool has_a () {return !invisible_console;}