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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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10
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,13 @@
2002-07-28 Christopher Faylor <cgf@redhat.com>
* fhandler_console.cc (fhandler_console::read): Use appropriate
kill_pgrp 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.
2002-07-26 Christopher Faylor <cgf@redhat.com>
* include/cygwin/version.h: Bump API version to indicate that ntsec is

2
winsup/cygwin/fhandler_console.cc
View File

@ -416,7 +416,7 @@ fhandler_console::read (void *pv, size_t buflen)
break;
case WINDOW_BUFFER_SIZE_EVENT:
kill_pgrp (tc->getpgid (), SIGWINCH);
tc->kill_pgrp (SIGWINCH);
continue;
default:

2
winsup/cygwin/fhandler_termios.cc
View File

@ -169,7 +169,7 @@ fhandler_termios::bg_check (int sig)
/* Don't raise a SIGTT* signal if we have already been interrupted
by another signal. */
if (WaitForSingleObject (signal_arrived, 0) != WAIT_OBJECT_0)
_raise (sig);
kill_pgrp (myself->pgid, sig);
return bg_signalled;
setEIO:

2
winsup/cygwin/select.cc
View File

@ -661,7 +661,7 @@ peek_console (select_record *me, bool)
else
{
if (irec.EventType == WINDOW_BUFFER_SIZE_EVENT)
kill_pgrp (fh->tc->getpgid (), SIGWINCH);
fh->tc->kill_pgrp (SIGWINCH);
else if (irec.EventType == MOUSE_EVENT &&
(irec.Event.MouseEvent.dwEventFlags == 0 ||
irec.Event.MouseEvent.dwEventFlags == DOUBLE_CLICK))

2
winsup/cygwin/syscalls.cc
View File

@ -325,7 +325,7 @@ _read (int fd, void *ptr, size_t len)
sending a SIGTTIN, if appropriate */
res = cfd->bg_check (SIGTTIN);
if (!cfd.isopen())
if (!cfd.isopen ())
return -1;
if (res > bg_eof)

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);