initial import of NetBSD tree

1 files changed, 48 insertions, 0 deletions

diff --git a/sys/compat/linux/linux_util.h b/sys/compat/linux/linux_util.h
new file mode 100644
index 00000000000..72fcdbd62c1
--- /dev/null
+++ b/sys/compat/linux/linux_util.h
@@ -0,0 +1,48 @@
+/*	$NetBSD: linux_util.h,v 1.5 1995/06/24 20:20:42 christos Exp $	*/
+
+/*
+ * Copyright (c) 1994 Christos Zoulas
+ * Copyright (c) 1995 Frank van der Linden
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef	_LINUX_UTIL_H_
+#define	_LINUX_UTIL_H_
+
+#include <compat/common/compat_util.h>
+
+#define cvtto_linux_mask(flags,bmask,lmask) (((flags) & bmask) ? lmask : 0)
+#define cvtto_bsd_mask(flags,lmask,bmask) (((flags) & lmask) ? bmask : 0)
+
+extern const char linux_emul_path[];
+
+#define LINUX_CHECK_ALT_EXIST(p, sgp, path) \
+    CHECK_ALT_EXIST(p, sgp, linux_emul_path, path)
+
+#define LINUX_CHECK_ALT_CREAT(p, sgp, path) \
+    CHECK_ALT_CREAT(p, sgp, linux_emul_path, path)
+
+#endif /* !_LINUX_UTIL_H_ */