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* fhandler_console.cc (fhandler_console::read): Use appropriate kill_pgrp

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method.
* select.cc (peek_console): Ditto.
* fhandler_termios.cc (fhandler_termios::bg_check): Send "stopped" signal to
entire process group as dictated by SUSv3.
* termios.cc (tcsetattr): Detect when stopped signal sent and force a stop
before setting anything.
This commit is contained in:
Christopher Faylor
2002-07-29 03:18:41 +00:00
parent efd34df5a5
commit eb5720f255
6 changed files with 61 additions and 16 deletions
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59
winsup/cygwin/termios.cc
View File

@@ -23,6 +23,7 @@ details. */
#include "cygheap.h"
#include "cygwin/version.h"
#include "perprocess.h"
#include "sigproc.h"
#include <sys/termios.h>
/* tcsendbreak: POSIX 7.2.2.1 */
@@ -111,21 +112,55 @@ out:
extern "C" int
tcsetattr (int fd, int a, const struct termios *t)
{
int res = -1;
cygheap_fdget cfd (fd);
if (cfd < 0)
goto out;
int res;
t = __tonew_termios (t);
int e = get_errno ();
if (!cfd->is_tty ())
set_errno (ENOTTY);
else if ((res = cfd->bg_check (-SIGTTOU)) > bg_eof)
res = cfd->tcsetattr (a, t);
while (1)
{
sigframe thisframe (mainthread);
out:
termios_printf ("iflag %x, oflag %x, cflag %x, lflag %x, VMIN %d, VTIME %d",
res = -1;
cygheap_fdget cfd (fd);
if (cfd < 0)
{
e = get_errno ();
break;
}
if (!cfd->is_tty ())
{
e = ENOTTY;
break;
}
res = cfd->bg_check (-SIGTTOU);
switch (res)
{
case bg_eof:
e = get_errno ();
break;
case bg_ok:
if (cfd.isopen ())
res = cfd->tcsetattr (a, t);
else
e = get_errno ();
break;
case bg_signalled:
if (thisframe.call_signal_handler ())
continue;
res = -1;
/* fall through intentionally */
default:
e = get_errno ();
break;
}
break;
}
set_errno (e);
termios_printf ("iflag %p, oflag %p, cflag %p, lflag %p, VMIN %d, VTIME %d",
t->c_iflag, t->c_oflag, t->c_cflag, t->c_lflag, t->c_cc[VMIN],
t->c_cc[VTIME]);
termios_printf ("%d = tcsetattr (%d, %d, %x)", res, fd, a, t);