patch-1.3.48 linux/include/asm-mips/mman.h

Next file: linux/include/asm-mips/page.h
Previous file: linux/include/asm-mips/mipsregs.h
Back to the patch index
Back to the overall index

diff -u --recursive --new-file v1.3.47/linux/include/asm-mips/mman.h linux/include/asm-mips/mman.h
@@ -0,0 +1,62 @@
+/*
+ * Linux/MIPS memory manager definitions
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1995 by Ralf Baechle
+ */
+#ifndef __ASM_MIPS_MMAN_H
+#define __ASM_MIPS_MMAN_H
+
+/*
+ * Protections are chosen from these bits, OR'd together.  The
+ * implementation does not necessarily support PROT_EXEC or PROT_WRITE
+ * without PROT_READ.  The only guarantees are that no writing will be
+ * allowed without PROT_WRITE and no access will be allowed for PROT_NONE.
+ */
+#define PROT_NONE	0x0		/* page can not be accessed */
+#define PROT_READ	0x1		/* page can be read */
+#define PROT_WRITE	0x2		/* page can be written */
+#define PROT_EXEC	0x4		/* page can be executed */
+
+/*
+ * Flags for mmap
+ */
+#define MAP_SHARED	0x001		/* Share changes */
+#define MAP_PRIVATE	0x002		/* Changes are private */
+#define MAP_TYPE	0x00f		/* Mask for type of mapping */
+#define MAP_FIXED	0x010		/* Interpret addr exactly */
+
+/* not used by linux, but here to make sure we don't clash with ABI defines */
+#define MAP_RENAME	0x020		/* Assign page to file */
+#define MAP_AUTOGROW	0x040		/* File may grow by writing */
+#define MAP_LOCAL	0x080		/* Copy on fork/sproc */
+#define MAP_AUTORSRV	0x100		/* Logical swap reserved on demand */
+
+/* These are linux-specific */
+#define MAP_ANONYMOUS	0x0800		/* don't use a file */
+#define MAP_GROWSDOWN	0x1000		/* stack-like segment */
+#define MAP_DENYWRITE	0x2000		/* ETXTBSY */
+#define MAP_EXECUTABLE	0x4000		/* mark it as a executable */
+#define MAP_LOCKED	0x8000		/* pages are locked */
+
+/*
+ * Flags for msync
+ */
+#define MS_SYNC		0		/* synchronous memory sync */
+#define MS_ASYNC	1		/* sync memory asynchronously */
+#define MS_INVALIDATE	2		/* invalidate mappings & caches */
+
+/*
+ * Flags for mlockall
+ */
+#define MCL_CURRENT	1		/* lock all current mappings */
+#define MCL_FUTURE	2		/* lock all future mappings */
+
+/* compatibility flags */
+#define MAP_ANON       MAP_ANONYMOUS
+#define MAP_FILE       0
+
+#endif /* __ASM_MIPS_MMAN_H */

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov with Sam's (original) version
of this