[src/trunk]: src/sys/compat/ibcs2 add file locking.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c60d7c8b6107
branches:  trunk
changeset: 574594:c60d7c8b6107
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Mar 05 17:47:38 2005 +0000

description:
add file locking.

diffstat:

 sys/compat/ibcs2/ibcs2_fcntl.c |  16 +++++++++-------
 1 files changed, 9 insertions(+), 7 deletions(-)

diffs (37 lines):

diff -r 0ec64256539b -r c60d7c8b6107 sys/compat/ibcs2/ibcs2_fcntl.c
--- a/sys/compat/ibcs2/ibcs2_fcntl.c    Sat Mar 05 17:47:06 2005 +0000
+++ b/sys/compat/ibcs2/ibcs2_fcntl.c    Sat Mar 05 17:47:38 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ibcs2_fcntl.c,v 1.18 2005/02/26 23:10:18 perry Exp $   */
+/*     $NetBSD: ibcs2_fcntl.c,v 1.19 2005/03/05 17:47:38 christos Exp $        */
 
 /*
  * Copyright (c) 1995 Scott Bartram
@@ -28,7 +28,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ibcs2_fcntl.c,v 1.18 2005/02/26 23:10:18 perry Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ibcs2_fcntl.c,v 1.19 2005/03/05 17:47:38 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -189,11 +189,13 @@
                struct filedesc *fdp = p->p_fd;
                struct file *fp;
 
-               fp = fd_getfile(fdp, *retval);
-
-               /* ignore any error, just give it a try */
-               if (fp != NULL && fp->f_type == DTYPE_VNODE)
-                       (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t) 0, p);
+               if ((fp = fd_getfile(fdp, *retval)) != NULL) {
+                       FILE_USE(fp);
+                       /* ignore any error, just give it a try */
+                       if (fp->f_type == DTYPE_VNODE)
+                               (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, NULL, p);
+                       FILE_UNUSE(fp, p);
+               }
        }
        return ret;
 }