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* fhandler.h (class fhandler_tty_common): New mutex and event to

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syncronize input on master tty with slave tty.
* fhandler_tty.cc (fhandler_pty_master::accept_input): Use them to
syncronize with slave.
* fhandler_tty.cc (fhandler_tty_slave::read): Use input mutex and
event to syncronize with master. Do not limit amount of data read
from master to vmin value. Interrupt on signal and return already
read data, if any.
* fhandler_tty.cc (fhandler_tty_slave::open): Handle input mutex and
event.
* fhandler_tty.cc (fhandler_tty_common::close): Ditto.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Ditto.
* fhandler_tty.cc (fhandler_tty_common::fixup_after_fork): Ditto.
* fhandler_tty.cc (fhandler_tty_common::dup): Ditto.
* tty.h (tty::open_input_mutex): New function.
* tty.cc (tty::common_init): Create input mutex and event.
This commit is contained in:
Egor Duda
2001-03-04 15:34:25 +00:00
parent 0312ede431
commit 306c4b6737
5 changed files with 186 additions and 66 deletions
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12
winsup/cygwin/tty.cc
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@@ -408,6 +408,9 @@ tty::common_init (fhandler_pty_master *ptym)
return FALSE;
}
if (!(ptym->input_available_event = get_event (INPUT_AVAILABLE_EVENT, FALSE)))
return FALSE;
char buf[40];
__small_sprintf (buf, OUTPUT_MUTEX, ntty);
if (!(ptym->output_mutex = CreateMutex (&sec_all, FALSE, buf)))
@@ -417,7 +420,16 @@ tty::common_init (fhandler_pty_master *ptym)
return FALSE;
}
__small_sprintf (buf, INPUT_MUTEX, ntty);
if (!(ptym->input_mutex = CreateMutex (&sec_all, FALSE, buf)))
{
termios_printf ("can't create %s", buf);
set_errno (ENOENT);
return FALSE;
}
ProtectHandle1 (ptym->output_mutex, output_mutex);
ProtectHandle1 (ptym->input_mutex, input_mutex);
winsize.ws_col = 80;
winsize.ws_row = 25;