1 files changed, 95 insertions, 0 deletions
diff --git a/serverboot/defs.h b/serverboot/defs.h
new file mode 100644
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+++ b/serverboot/defs.h
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+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ * Common definitions for Berkeley Fast File System.
+ */
+
+/*
+ * Compatibility definitions for disk IO.
+ */
+
+/*
+ * Disk devices do all IO in 512-byte blocks.
+ */
+#define	DEV_BSIZE	512
+
+/*
+ * Conversion between bytes and disk blocks.
+ */
+#define	btodb(byte_offset)	((byte_offset) >> 9)
+#define	dbtob(block_number)	((block_number) << 9)
+
+/*
+ * Compatibility definitions for old type names.
+ */
+
+typedef struct _quad_ {
+	unsigned int	val[2];		/* 2 int values make... */
+} quad;					/* an 8-byte item */
+
+#if 0
+typedef	unsigned char	u_char;		/* unsigned char */
+typedef	unsigned short	u_short;	/* unsigned short */
+typedef	unsigned int	u_int;		/* unsigned int */
+
+typedef	unsigned int	time_t;		/* an unsigned int */
+typedef unsigned int	daddr_t;	/* an unsigned int */
+typedef	unsigned int	off_t;		/* another unsigned int */
+
+typedef	unsigned short	uid_t;
+typedef	unsigned short	gid_t;
+typedef	unsigned int	ino_t;
+#endif
+
+#define	NBBY	8
+
+/*
+ * The file system is made out of blocks of at most MAXBSIZE units,
+ * with smaller units (fragments) only in the last direct block.
+ * MAXBSIZE primarily determines the size of buffers in the buffer
+ * pool.  It may be made larger without any effect on existing
+ * file systems; however, making it smaller may make some file
+ * systems unmountable.
+ *
+ * Note that the disk devices are assumed to have DEV_BSIZE "sectors"
+ * and that fragments must be some multiple of this size.
+ */
+#define	MAXBSIZE	8192
+#define	MAXFRAG		8
+
+/*
+ * MAXPATHLEN defines the longest permissible path length
+ * after expanding symbolic links.
+ *
+ * MAXSYMLINKS defines the maximum number of symbolic links
+ * that may be expanded in a path name.  It should be set
+ * high enough to allow all legitimate uses, but halt infinite
+ * loops reasonably quickly.
+ */
+
+#define	MAXPATHLEN	1024
+#define	MAXSYMLINKS	8
+