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path: root/winsup/cygwin/termios.cc
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Diffstat (limited to 'winsup/cygwin/termios.cc')
-rw-r--r--winsup/cygwin/termios.cc182
1 files changed, 89 insertions, 93 deletions
diff --git a/winsup/cygwin/termios.cc b/winsup/cygwin/termios.cc
index 5488185c4..13b5e5251 100644
--- a/winsup/cygwin/termios.cc
+++ b/winsup/cygwin/termios.cc
@@ -1,6 +1,6 @@
/* termios.cc: termios for WIN32.
- Copyright 1996, 1997, 1998, 2000, 2001 Red Hat, Inc.
+ Copyright 1996, 1997, 1998, 2000, 2001, 2002 Red Hat, Inc.
Written by Doug Evans and Steve Chamberlain of Cygnus Support
dje@cygnus.com, sac@cygnus.com
@@ -14,6 +14,7 @@ details. */
#include "winsup.h"
#include <errno.h>
#include <signal.h>
+#include <stdlib.h>
#include "cygerrno.h"
#include "security.h"
#include "fhandler.h"
@@ -22,6 +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 */
@@ -30,22 +32,14 @@ tcsendbreak (int fd, int duration)
{
int res = -1;
- if (cygheap->fdtab.not_open (fd))
- {
- set_errno (EBADF);
- goto out;
- }
-
- fhandler_base *fh;
- fh = cygheap->fdtab[fd];
+ cygheap_fdget cfd (fd);
+ if (cfd < 0)
+ goto out;
- if (!fh->is_tty ())
+ if (!cfd->is_tty ())
set_errno (ENOTTY);
- else
- {
- if ((res = fh->bg_check (-SIGTTOU)) > bg_eof)
- res = fh->tcsendbreak (duration);
- }
+ else if ((res = cfd->bg_check (-SIGTTOU)) > bg_eof)
+ res = cfd->tcsendbreak (duration);
out:
syscall_printf ("%d = tcsendbreak (%d, %d)", res, fd, duration);
@@ -60,22 +54,14 @@ tcdrain (int fd)
termios_printf ("tcdrain");
- if (cygheap->fdtab.not_open (fd))
- {
- set_errno (EBADF);
- goto out;
- }
-
- fhandler_base *fh;
- fh = cygheap->fdtab[fd];
+ cygheap_fdget cfd (fd);
+ if (cfd < 0)
+ goto out;
- if (!fh->is_tty ())
+ if (!cfd->is_tty ())
set_errno (ENOTTY);
- else
- {
- if ((res = fh->bg_check (-SIGTTOU)) > bg_eof)
- res = fh->tcdrain ();
- }
+ else if ((res = cfd->bg_check (-SIGTTOU)) > bg_eof)
+ res = cfd->tcdrain ();
out:
syscall_printf ("%d = tcdrain (%d)", res, fd);
@@ -88,22 +74,14 @@ tcflush (int fd, int queue)
{
int res = -1;
- if (cygheap->fdtab.not_open (fd))
- {
- set_errno (EBADF);
- goto out;
- }
+ cygheap_fdget cfd (fd);
+ if (cfd < 0)
+ goto out;
- fhandler_base *fh;
- fh = cygheap->fdtab[fd];
-
- if (!fh->is_tty ())
+ if (!cfd->is_tty ())
set_errno (ENOTTY);
- else
- {
- if ((res = fh->bg_check (-SIGTTOU)) > bg_eof)
- res = fh->tcflush (queue);
- }
+ else if ((res = cfd->bg_check (-SIGTTOU)) > bg_eof)
+ res = cfd->tcflush (queue);
out:
termios_printf ("%d = tcflush (%d, %d)", res, fd, queue);
@@ -116,22 +94,14 @@ tcflow (int fd, int action)
{
int res = -1;
- if (cygheap->fdtab.not_open (fd))
- {
- set_errno (EBADF);
- goto out;
- }
-
- fhandler_base *fh;
- fh = cygheap->fdtab[fd];
+ cygheap_fdget cfd (fd);
+ if (cfd < 0)
+ goto out;
- if (!fh->is_tty ())
+ if (!cfd->is_tty ())
set_errno (ENOTTY);
- else
- {
- if ((res = fh->bg_check (-SIGTTOU)) > bg_eof)
- res = fh->tcflow (action);
- }
+ else if ((res = cfd->bg_check (-SIGTTOU)) > bg_eof)
+ res = cfd->tcflow (action);
out:
syscall_printf ("%d = tcflow (%d, %d)", res, fd, action);
@@ -142,29 +112,55 @@ out:
extern "C" int
tcsetattr (int fd, int a, const struct termios *t)
{
- int res = -1;
-
- if (cygheap->fdtab.not_open (fd))
- {
- set_errno (EBADF);
- goto out;
- }
-
+ int res;
t = __tonew_termios (t);
+ int e = get_errno ();
- fhandler_base *fh;
- fh = cygheap->fdtab[fd];
-
- if (!fh->is_tty ())
- set_errno (ENOTTY);
- else
+ while (1)
{
- if ((res = fh->bg_check (-SIGTTOU)) > bg_eof)
- res = fh->tcsetattr (a, t);
+ sigframe thisframe (mainthread);
+
+ 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;
}
-out:
- termios_printf ("iflag %x, oflag %x, cflag %x, lflag %x, VMIN %d, VTIME %d",
+ 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);
@@ -178,15 +174,13 @@ tcgetattr (int fd, struct termios *in_t)
int res = -1;
struct termios *t = __makenew_termios (in_t);
- if (cygheap->fdtab.not_open (fd))
- set_errno (EBADF);
- else if (!cygheap->fdtab[fd]->is_tty ())
+ cygheap_fdget cfd (fd);
+ if (cfd < 0)
+ /* saw an error */;
+ else if (!cfd->is_tty ())
set_errno (ENOTTY);
- else
- {
- if ((res = cygheap->fdtab[fd]->tcgetattr (t)) == 0)
- (void) __toapp_termios (in_t, t);
- }
+ else if ((res = cfd->tcgetattr (t)) == 0)
+ (void) __toapp_termios (in_t, t);
if (res)
termios_printf ("%d = tcgetattr (%d, %p)", res, fd, in_t);
@@ -204,12 +198,13 @@ tcgetpgrp (int fd)
{
int res = -1;
- if (cygheap->fdtab.not_open (fd))
- set_errno (EBADF);
- else if (!cygheap->fdtab[fd]->is_tty ())
+ cygheap_fdget cfd (fd);
+ if (cfd < 0)
+ /* saw an error */;
+ else if (!cfd->is_tty ())
set_errno (ENOTTY);
else
- res = cygheap->fdtab[fd]->tcgetpgrp ();
+ res = cfd->tcgetpgrp ();
termios_printf ("%d = tcgetpgrp (%d)", res, fd);
return res;
@@ -221,12 +216,13 @@ tcsetpgrp (int fd, pid_t pgid)
{
int res = -1;
- if (cygheap->fdtab.not_open (fd))
- set_errno (EBADF);
- else if (!cygheap->fdtab[fd]->is_tty ())
+ cygheap_fdget cfd (fd);
+ if (cfd < 0)
+ /* saw an error */;
+ else if (!cfd->is_tty ())
set_errno (ENOTTY);
else
- res = cygheap->fdtab[fd]->tcsetpgrp (pgid);
+ res = cfd->tcsetpgrp (pgid);
termios_printf ("%d = tcsetpgrp (%d, %x)", res, fd, pgid);
return res;
@@ -242,14 +238,14 @@ tcsetpgrp (int fd, pid_t pgid)
extern "C" speed_t
cfgetospeed (struct termios *tp)
{
- return __tonew_termios(tp)->c_ospeed;
+ return __tonew_termios (tp)->c_ospeed;
}
/* cfgetispeed: POSIX96 7.1.3.1 */
extern "C" speed_t
cfgetispeed (struct termios *tp)
{
- return __tonew_termios(tp)->c_ispeed;
+ return __tonew_termios (tp)->c_ispeed;
}
/* cfsetospeed: POSIX96 7.1.3.1 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 03:21:32 +0300