--- /dev/null
+/*-
+ * 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.
+ * 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
+ * $FreeBSD$
+ */
+
+#ifndef _SYS_MMAN_H_
+#define _SYS_MMAN_H_
+
+#include <sys/cdefs.h>
+#include <sys/_types.h>
+
+#if __BSD_VISIBLE
+/*
+ * Inheritance for minherit()
+ */
+#define INHERIT_SHARE 0
+#define INHERIT_COPY 1
+#define INHERIT_NONE 2
+#endif
+
+/*
+ * 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 */
+#if __BSD_VISIBLE
+#define MAP_COPY MAP_PRIVATE /* Obsolete */
+#endif
+
+/*
+ * Other flags
+ */
+#define MAP_FIXED 0x0010 /* map addr must be exactly as requested */
+
+#if __BSD_VISIBLE
+#define MAP_RENAME 0x0020 /* Sun: rename private pages to file */
+#define MAP_NORESERVE 0x0040 /* Sun: don't reserve needed swap area */
+#define MAP_RESERVED0080 0x0080 /* previously misimplemented MAP_INHERIT */
+#define MAP_RESERVED0100 0x0100 /* previously unimplemented MAP_NOEXTEND */
+#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 */
+
+/*
+ * Mapping type
+ */
+#define MAP_FILE 0x0000 /* map from file (default) */
+#define MAP_ANON 0x1000 /* allocated from memory, swap space */
+#ifndef _KERNEL
+#define MAP_ANONYMOUS MAP_ANON /* For compatibility. */
+#endif /* !_KERNEL */
+
+/*
+ * Extended flags
+ */
+#define MAP_NOCORE 0x00020000 /* dont include these pages in a coredump */
+#define MAP_PREFAULT_READ 0x00040000 /* prefault mapping for reading */
+
+/*
+ * Request specific alignment (n == log2 of the desired alignment).
+ *
+ * MAP_ALIGNED_SUPER requests optimal superpage alignment, but does
+ * not enforce a specific alignment.
+ */
+#define MAP_ALIGNED(n) ((n) << MAP_ALIGNMENT_SHIFT)
+#define MAP_ALIGNMENT_SHIFT 24
+#define MAP_ALIGNMENT_MASK MAP_ALIGNED(0xff)
+#define MAP_ALIGNED_SUPER MAP_ALIGNED(1) /* align on a superpage */
+#endif /* __BSD_VISIBLE */
+
+#if __POSIX_VISIBLE >= 199309
+/*
+ * Process memory locking
+ */
+#define MCL_CURRENT 0x0001 /* Lock only current memory */
+#define MCL_FUTURE 0x0002 /* Lock all future memory as well */
+#endif
+
+/*
+ * 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 */
+
+/*
+ * 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 */
+
+#if __BSD_VISIBLE
+#define MADV_NORMAL _MADV_NORMAL
+#define MADV_RANDOM _MADV_RANDOM
+#define MADV_SEQUENTIAL _MADV_SEQUENTIAL
+#define MADV_WILLNEED _MADV_WILLNEED
+#define MADV_DONTNEED _MADV_DONTNEED
+#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 */
+#define MADV_PROTECT 10 /* protect process from pageout kill */
+
+/*
+ * 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 */
+#define MINCORE_SUPER 0x20 /* Page is a "super" page */
+
+/*
+ * Anonymous object constant for shm_open().
+ */
+#define SHM_ANON ((char *)1)
+#endif /* __BSD_VISIBLE */
+
+/*
+ * XXX missing POSIX_TYPED_MEM_* macros and
+ * posix_typed_mem_info structure.
+ */
+#if __POSIX_VISIBLE >= 200112
+#define POSIX_MADV_NORMAL _MADV_NORMAL
+#define POSIX_MADV_RANDOM _MADV_RANDOM
+#define POSIX_MADV_SEQUENTIAL _MADV_SEQUENTIAL
+#define POSIX_MADV_WILLNEED _MADV_WILLNEED
+#define POSIX_MADV_DONTNEED _MADV_DONTNEED
+#endif
+
+#ifndef _MODE_T_DECLARED
+typedef __mode_t mode_t;
+#define _MODE_T_DECLARED
+#endif
+
+#ifndef _OFF_T_DECLARED
+typedef __off_t off_t;
+#define _OFF_T_DECLARED
+#endif
+
+#ifndef _SIZE_T_DECLARED
+typedef __size_t size_t;
+#define _SIZE_T_DECLARED
+#endif
+
+#if defined(_KERNEL) || defined(_WANT_FILE)
+#include <vm/vm.h>
+
+struct file;
+
+struct shmfd {
+ size_t shm_size;
+ vm_object_t shm_object;
+ int shm_refs;
+ uid_t shm_uid;
+ gid_t shm_gid;
+ mode_t shm_mode;
+ int shm_kmappings;
+
+ /*
+ * Values maintained solely to make this a better-behaved file
+ * descriptor for fstat() to run on.
+ */
+ struct timespec shm_atime;
+ struct timespec shm_mtime;
+ struct timespec shm_ctime;
+ struct timespec shm_birthtime;
+ ino_t shm_ino;
+
+ struct label *shm_label; /* MAC label */
+ const char *shm_path;
+};
+#endif
+
+#ifdef _KERNEL
+int shm_mmap(struct shmfd *shmfd, vm_size_t objsize, vm_ooffset_t foff,
+ vm_object_t *obj);
+int shm_map(struct file *fp, size_t size, off_t offset, void **memp);
+int shm_unmap(struct file *fp, void *mem, size_t size);
+void shm_path(struct shmfd *shmfd, char *path, size_t size);
+
+#else /* !_KERNEL */
+
+__BEGIN_DECLS
+/*
+ * XXX not yet implemented: posix_mem_offset(), posix_typed_mem_get_info(),
+ * posix_typed_mem_open().
+ */
+#if __BSD_VISIBLE
+int getpagesizes(size_t *, int);
+int madvise(void *, size_t, int);
+int mincore(const void *, size_t, char *);
+int minherit(void *, size_t, int);
+#endif
+int mlock(const void *, size_t);
+#ifndef _MMAP_DECLARED
+#define _MMAP_DECLARED
+void * mmap(void *, size_t, int, int, int, off_t);
+#endif
+int mprotect(const void *, size_t, int);
+int msync(void *, size_t, int);
+int munlock(const void *, size_t);
+int munmap(void *, size_t);
+#if __POSIX_VISIBLE >= 200112
+int posix_madvise(void *, size_t, int);
+#endif
+#if __POSIX_VISIBLE >= 199309
+int mlockall(int);
+int munlockall(void);
+int shm_open(const char *, int, mode_t);
+int shm_unlink(const char *);
+#endif
+__END_DECLS
+
+#endif /* !_KERNEL */
+
+#endif /* !_SYS_MMAN_H_ */
git://sourceware.org / newlib-cygwin.git / commitdiff