diff options
author | Alon Zakai <alonzakai@gmail.com> | 2011-09-25 00:39:17 -0700 |
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committer | Alon Zakai <alonzakai@gmail.com> | 2011-09-25 00:39:17 -0700 |
commit | c1b363f2f4b60f8ed50964790cc15ccc97baea1a (patch) | |
tree | 892cc473f58256479bf94bd726c7d67d7311f3ba | |
parent | 008137390b13414957e832a609ea269500507651 (diff) |
add mman.h
-rw-r--r-- | system/include/freebsd/readme.txt | 2 | ||||
-rw-r--r-- | system/include/freebsd/sys/mman.h | 173 |
2 files changed, 175 insertions, 0 deletions
diff --git a/system/include/freebsd/readme.txt b/system/include/freebsd/readme.txt new file mode 100644 index 00000000..34c022c6 --- /dev/null +++ b/system/include/freebsd/readme.txt @@ -0,0 +1,2 @@ +The contents of this directory are from FreeBSD. + diff --git a/system/include/freebsd/sys/mman.h b/system/include/freebsd/sys/mman.h new file mode 100644 index 00000000..dea9bcae --- /dev/null +++ b/system/include/freebsd/sys/mman.h @@ -0,0 +1,173 @@ +/*- + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. + * + * @(#)mman.h 8.2 (Berkeley) 1/9/95 + * $FreeBSD: src/sys/sys/mman.h,v 1.29.2.1 2001/08/25 07:25:43 dillon Exp $ + */ + +#ifndef _SYS_MMAN_H_ +#define _SYS_MMAN_H_ + +/* XXX Emscripten #include <sys/_posix.h> */ + +/* + * Inheritance for minherit() + */ +#define INHERIT_SHARE 0 +#define INHERIT_COPY 1 +#define INHERIT_NONE 2 + +/* + * Protections are chosen from these bits, or-ed together + */ +#define PROT_NONE 0x00 /* no permissions */ +#define PROT_READ 0x01 /* pages can be read */ +#define PROT_WRITE 0x02 /* pages can be written */ +#define PROT_EXEC 0x04 /* pages can be executed */ + +/* + * Flags contain sharing type and options. + * Sharing types; choose one. + */ +#define MAP_SHARED 0x0001 /* share changes */ +#define MAP_PRIVATE 0x0002 /* changes are private */ +#define MAP_COPY MAP_PRIVATE /* Obsolete */ + +/* + * Other flags + */ +#define MAP_FIXED 0x0010 /* map addr must be exactly as requested */ +#define MAP_RENAME 0x0020 /* Sun: rename private pages to file */ +#define MAP_NORESERVE 0x0040 /* Sun: don't reserve needed swap area */ +#define MAP_INHERIT 0x0080 /* region is retained after exec */ +#define MAP_NOEXTEND 0x0100 /* for MAP_FILE, don't change file size */ +#define MAP_HASSEMAPHORE 0x0200 /* region may contain semaphores */ +#define MAP_STACK 0x0400 /* region grows down, like a stack */ +#define MAP_NOSYNC 0x0800 /* page to but do not sync underlying file */ + +/* + * Extended flags + */ +#define MAP_NOCORE 0x00020000 /* dont include these pages in a coredump */ + +#ifdef _P1003_1B_VISIBLE +/* + * Process memory locking + */ +#define MCL_CURRENT 0x0001 /* Lock only current memory */ +#define MCL_FUTURE 0x0002 /* Lock all future memory as well */ + +#endif /* _P1003_1B_VISIBLE */ + +/* + * Error return from mmap() + */ +#define MAP_FAILED ((void *)-1) + +/* + * msync() flags + */ +#define MS_SYNC 0x0000 /* msync synchronously */ +#define MS_ASYNC 0x0001 /* return immediately */ +#define MS_INVALIDATE 0x0002 /* invalidate all cached data */ + + +/* + * Mapping type + */ +#define MAP_FILE 0x0000 /* map from file (default) */ +#define MAP_ANON 0x1000 /* allocated from memory, swap space */ + +/* + * Advice to madvise + */ +#define MADV_NORMAL 0 /* no further special treatment */ +#define MADV_RANDOM 1 /* expect random page references */ +#define MADV_SEQUENTIAL 2 /* expect sequential page references */ +#define MADV_WILLNEED 3 /* will need these pages */ +#define MADV_DONTNEED 4 /* dont need these pages */ +#define MADV_FREE 5 /* dont need these pages, and junk contents */ +#define MADV_NOSYNC 6 /* try to avoid flushes to physical media */ +#define MADV_AUTOSYNC 7 /* revert to default flushing strategy */ +#define MADV_NOCORE 8 /* do not include these pages in a core file */ +#define MADV_CORE 9 /* revert to including pages in a core file */ + +/* + * Return bits from mincore + */ +#define MINCORE_INCORE 0x1 /* Page is incore */ +#define MINCORE_REFERENCED 0x2 /* Page has been referenced by us */ +#define MINCORE_MODIFIED 0x4 /* Page has been modified by us */ +#define MINCORE_REFERENCED_OTHER 0x8 /* Page has been referenced */ +#define MINCORE_MODIFIED_OTHER 0x10 /* Page has been modified */ + +#ifndef _KERNEL + +#include <sys/cdefs.h> + +__BEGIN_DECLS +#ifdef _P1003_1B_VISIBLE +int mlockall __P((int)); +int munlockall __P((void)); +int shm_open __P((const char *, int, mode_t)); +int shm_unlink __P((const char *)); +#endif /* _P1003_1B_VISIBLE */ +int mlock __P((const void *, size_t)); +#ifndef _MMAP_DECLARED +#define _MMAP_DECLARED +void * mmap __P((void *, size_t, int, int, int, off_t)); +#endif +int mprotect __P((const void *, size_t, int)); +int msync __P((void *, size_t, int)); +int munlock __P((const void *, size_t)); +int munmap __P((void *, size_t)); +#ifndef _POSIX_SOURCE +int madvise __P((void *, size_t, int)); +int mincore __P((const void *, size_t, char *)); +int minherit __P((void *, size_t, int)); +#endif +__END_DECLS + +#endif /* !_KERNEL */ + +#endif + + + + + + + + + + + |