61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
/* ioctl.cc: ioctl routines.
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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 %y)", 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, %y, ...)", res, fd, cmd);
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return res;
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}
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