original files of m241

vxworks-6.9/target/h/sys/mman.h

@@ -0,0 +1,138 @@
+/* mman.h - memory management library header file */
+
+/* 
+ * Copyright (c) 1993-2006, 2010-2012 Wind River Systems, Inc. 
+ *
+ * The right to copy, distribute, modify or otherwise make use 
+ * of this software may be licensed only pursuant to the terms 
+ * of an applicable Wind River license agreement. 
+ */ 
+
+/*
+modification history
+--------------------
+01o,18jun12,pcs  Fix POSIX Conformance: mman header testing
+                 error.(WIND00344892)
+01n,14jun11,pcs  add mtranslate()
+01m,28apr10,pad  Moved extern C statement after include statements.
+01l,19feb10,zl   enabled SHM API in kernel
+01k,27jan06,mil  Updated for POSIX namespace conformance.
+01j,25jan06,zl   fixed msync() flag definitions
+01i,14dec05,zl   added MCTL_MPROBE.
+01h,28oct05,zl   added shm_open() and shm_unlink() declarations
+01g,08jul05,zl   added MAP_CONTIG and msync() definitions.
+01f,06jan05,zl   added _mctrl support. reversed previous change.
+01e,01oct04,gls  made <off> type off_t64
+01d,14jun04,gls  added MAP_ANON_FD and MAP_ANONYMOUS
+01c,11jun04,gls  added MAP_ANON
+01b,09sep03,zl   added mmap(), mmunmap(), mprotect()
+01a,05nov93,dvs  written
+*/
+
+#ifndef __INCmmanh
+#define __INCmmanh
+
+/* includes */
+
+#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) && \
+    !defined(_POSIX_AEP_RT_CONTROLLER_C_SOURCE)
+#include <vxWorks.h>
+#else   /* _POSIX_xxx_SOURCE */
+#include <sys/types.h>
+#endif  /* _POSIX_xxx_SOURCE */
+#include <base/b_phys_addr_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* memory locking flags */
+
+#define MCL_CURRENT 	0x1		/* lock current mappings */
+#define MCL_FUTURE	0x2		/* lock future mappings */
+
+/* mmap protections */
+
+#define PROT_NONE	0x0000		/* Page cannot be accessed */
+#define PROT_READ	0x0001		/* Page can be read */
+#define PROT_WRITE	0x0002		/* Page can be written */
+#define PROT_EXEC	0x0004		/* Page can be executed */
+
+/* map flags */
+
+#define MAP_SHARED	0x0001		/* Share changes */
+#define MAP_PRIVATE	0x0002		/* Changes are private */
+#define MAP_ANON	0x0004		/* Use anonymous memory */
+#define MAP_ANONYMOUS	MAP_ANON	/* compatibility with Linux */
+#define MAP_FIXED	0x0010		/* Interpret addr exactly */
+#define MAP_CONTIG	0x0020		/* map contiguous phys pages */
+
+/* msync flags */
+
+#define	MS_SYNC		0x0001		/* msync synchronously */
+#define MS_ASYNC	0x0002		/* return immediately */
+#define MS_INVALIDATE	0x0004		/* invalidate all cached data */
+
+/* map fail */
+
+#define MAP_FAILED	((void *) -1)	/* mmap() error return value */
+
+/* anonymous fd */
+
+#define MAP_ANON_FD     -1              /* required fd value for mmap */
+
+
+#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) && \
+    !defined(_POSIX_AEP_RT_CONTROLLER_C_SOURCE)
+/* 
+ * function definitions for _mctrl(); these should not be used directly, 
+ * but via the wrapper functions, such as the ones in cacheLib and mmanLib.
+ */
+
+#define MCTL_CACHE_FLUSH	1	/* cache flush */
+#define MCTL_CACHE_INVALIDATE	2	/* cache invalidate */
+#define MCTL_CACHE_CLEAR	3	/* cache clear*/
+#define MCTL_CACHE_TEXT_UPDATE	4	/* cache text update */
+#define MCTL_MSYNC		5	/* perform msync() */
+#define MCTL_MPROBE		6	/* probe memory */
+#define MCTL_MTRANSLATE		7	/* translate virt addr to phys addr */
+#endif  /* _POSIX_xxx_SOURCE */
+
+#ifndef _ASMLANGUAGE
+
+/* Function declarations */
+
+extern int	mlockall (int);
+extern int	munlockall (void);
+extern int	mlock (const void * , size_t);
+extern int	munlock (const void * , size_t);
+extern void *	mmap (void * , size_t , int , int , int , off_t);
+extern int	mprotect (void * , size_t , int);
+extern int 	munmap (void * , size_t);
+extern int	msync (void * , size_t , int);
+extern int	shm_open (const char * , int , mode_t);
+extern int	shm_unlink (const char *);
+
+#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) && \
+    !defined(_POSIX_AEP_RT_CONTROLLER_C_SOURCE)
+extern int	mtranslate (void * addr, _Vx_phys_addr_t * pPhysAddr);
+#endif  /* _POSIX_xxx_SOURCE */
+
+#ifdef _WRS_KERNEL
+extern void *	mmap64 (void * addr, size_t len, int prot, int flags, int fildes,
+			off64_t off);
+#else
+extern int	_mctl (void * , size_t , int , void *);
+#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) && \
+    !defined(_POSIX_AEP_RT_CONTROLLER_C_SOURCE)
+extern int	mprobe (void * addr, size_t len, int prot);
+#endif  /* _POSIX_xxx_SOURCE */
+#endif
+
+#endif /* _ASMLANGUAGE */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCmmanh */