[src/trunk]: src/sys/compat/linux/common Add Linux specific fcntl(2) commands...

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

details:   https://anonhg.NetBSD.org/src/rev/e8ddc420279e
branches:  trunk
changeset: 336438:e8ddc420279e
user:      njoly <njoly%NetBSD.org@localhost>
date:      Sun Mar 01 13:19:39 2015 +0000

description:
Add Linux specific fcntl(2) commands. Support F_DUPFD_CLOEXEC.

diffstat:

 sys/compat/linux/common/linux_fcntl.h |  12 +++++++++++-
 sys/compat/linux/common/linux_file.c  |   8 ++++++--
 2 files changed, 17 insertions(+), 3 deletions(-)

diffs (55 lines):

diff -r ec12cfbe7071 -r e8ddc420279e sys/compat/linux/common/linux_fcntl.h
--- a/sys/compat/linux/common/linux_fcntl.h     Sun Mar 01 11:19:08 2015 +0000
+++ b/sys/compat/linux/common/linux_fcntl.h     Sun Mar 01 13:19:39 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: linux_fcntl.h,v 1.16 2014/06/01 13:42:12 njoly Exp $   */
+/*     $NetBSD: linux_fcntl.h,v 1.17 2015/03/01 13:19:39 njoly Exp $   */
 
 /*-
  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@@ -87,6 +87,16 @@
 #error Undefined linux_fcntl.h machine type.
 #endif
 
+/* Linux specific fcntl(2) commands */
+#define        LINUX_F_SPECIFIC_BASE   1024
+#define        LINUX_F_SETLEASE        (LINUX_F_SPECIFIC_BASE + 0)
+#define        LINUX_F_GETLEASE        (LINUX_F_SPECIFIC_BASE + 1)
+#define        LINUX_F_NOTIFY          (LINUX_F_SPECIFIC_BASE + 2)
+#define        LINUX_F_CANCELLK        (LINUX_F_SPECIFIC_BASE + 5)
+#define        LINUX_F_DUPFD_CLOEXEC   (LINUX_F_SPECIFIC_BASE + 6)
+#define        LINUX_F_SETPIPE_SZ      (LINUX_F_SPECIFIC_BASE + 7)
+#define        LINUX_F_GETPIPE_SZ      (LINUX_F_SPECIFIC_BASE + 8)
+
 /*
  * We have to have 4 copies of the code that converts linux fcntl() file
  * locking to native form because there are 4 layouts for the structures.
diff -r ec12cfbe7071 -r e8ddc420279e sys/compat/linux/common/linux_file.c
--- a/sys/compat/linux/common/linux_file.c      Sun Mar 01 11:19:08 2015 +0000
+++ b/sys/compat/linux/common/linux_file.c      Sun Mar 01 13:19:39 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: linux_file.c,v 1.114 2014/11/09 17:48:08 maxv Exp $    */
+/*     $NetBSD: linux_file.c,v 1.115 2015/03/01 13:19:39 njoly Exp $   */
 
 /*-
  * Copyright (c) 1995, 1998, 2008 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_file.c,v 1.114 2014/11/09 17:48:08 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_file.c,v 1.115 2015/03/01 13:19:39 njoly Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -417,6 +417,10 @@
                mutex_exit(proc_lock);
                return 0;
 
+       case LINUX_F_DUPFD_CLOEXEC:
+               cmd = F_DUPFD_CLOEXEC;
+               break;
+
        default:
                return EOPNOTSUPP;
        }