8cb58e8566
* exceptions.cc (_cygtls::call_signal_handler): Add paranoid debugging output. * sigproc.h (cygwait): Call signal handler when signal is detected and loop as appropriate. * fhandler.h (fhandler_base_overlapped::wait_return): Remove overlapped_signal. * fhandler.cc (fhandler_base_overlapped::wait_overlapped): Remove restartable signal accommodations in light of cygwait improvements. (fhandler_base_overlapped::raw_read): Remove now-obsolete signal loop behavior. (fhandler_base_overlapped::raw_write): Ditto. * fhandler_console.cc (fhandler_console::read): Ditto. * fhandler_serial.cc (fhandler_serial::raw_read): Ditto. (fhandler_serial::raw_write): Ditto. * fhandler_tty.cc (fhandler_pty_slave::read): Ditto. * ioctl.cc (ioctl): Add standard syscall introducer and leaver debug output.
64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
/* ioctl.cc: ioctl routines.
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Copyright 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2006, 2008, 2009, 2011
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Red Hat, Inc.
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Written by Doug Evans of Cygnus Support
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dje@cygnus.com
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "winsup.h"
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#include "cygerrno.h"
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#include "path.h"
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#include "fhandler.h"
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#include "dtable.h"
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#include "cygheap.h"
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extern "C" int
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ioctl (int fd, int cmd, ...)
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{
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cygheap_fdget cfd (fd);
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if (cfd < 0)
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return -1;
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/* check for optional mode argument */
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va_list ap;
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va_start (ap, cmd);
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char *argp = va_arg (ap, char *);
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va_end (ap);
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debug_printf ("ioctl(fd %d, cmd %p)", fd, cmd);
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int res;
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/* FIXME: This stinks. There are collisions between cmd types
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depending on whether fd is associated with a pty master or not.
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Something to fix for Cygwin2. CGF 2006-06-04 */
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if (cfd->is_tty () && cfd->get_major () != DEV_PTYM_MAJOR)
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switch (cmd)
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{
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case TCGETA:
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res = tcgetattr (fd, (struct termios *) argp);
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goto out;
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case TCSETA:
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res = tcsetattr (fd, TCSANOW, (struct termios *) argp);
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goto out;
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case TCSETAW:
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res = tcsetattr (fd, TCSADRAIN, (struct termios *) argp);
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goto out;
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case TCSETAF:
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res = tcsetattr (fd, TCSAFLUSH, (struct termios *) argp);
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goto out;
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}
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res = cfd->ioctl (cmd, argp);
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out:
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syscall_printf ("%R = ioctl(%d, %p, ...)", res, fd, cmd);
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return res;
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}
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