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Add FIODTYPE ioctl for getting d_flags (type) info on a device.
Okayed by: phk
This commit is contained in:
parent
34067f9475
commit
b5fca1cb2a
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=50459
@ -36,7 +36,7 @@
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* SUCH DAMAGE.
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*
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* @(#)vfs_vnops.c 8.2 (Berkeley) 1/21/94
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* $Id: vfs_vnops.c,v 1.74 1999/08/13 11:22:48 phk Exp $
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* $Id: vfs_vnops.c,v 1.75 1999/08/25 11:44:11 phk Exp $
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*/
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#include <sys/param.h>
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@ -496,6 +496,12 @@ vn_ioctl(fp, com, data, p)
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case VFIFO:
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case VCHR:
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case VBLK:
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if (com == FIODTYPE) {
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if (vp->v_type != VCHR && vp->v_type != VBLK)
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return (ENOTTY);
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*(int *)data = devsw(vp->v_rdev)->d_flags & D_TYPEMASK;
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return (0);
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}
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error = VOP_IOCTL(vp, com, data, fp->f_flag, p->p_ucred, p);
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if (error == 0 && com == TIOCSCTTY) {
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@ -36,7 +36,7 @@
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* SUCH DAMAGE.
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*
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* @(#)filio.h 8.1 (Berkeley) 3/28/94
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* $Id$
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* $Id: filio.h,v 1.4 1997/02/22 09:45:16 peter Exp $
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*/
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#ifndef _SYS_FILIO_H_
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@ -52,5 +52,6 @@
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#define FIOASYNC _IOW('f', 125, int) /* set/clear async i/o */
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#define FIOSETOWN _IOW('f', 124, int) /* set owner */
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#define FIOGETOWN _IOR('f', 123, int) /* get owner */
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#define FIODTYPE _IOR('f', 122, int) /* get d_flags type part */
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#endif /* !_SYS_FILIO_H_ */
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