1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #ifndef _SYS_MMAN_H_ 29 #define _SYS_MMAN_H_ 30 31 #include <sys/cdefs.h> 32 #include <sys/types.h> 33 #include <asm/mman.h> 34 35 __BEGIN_DECLS 36 37 #ifndef MAP_ANON 38 #define MAP_ANON MAP_ANONYMOUS 39 #endif 40 41 #define MAP_FAILED __BIONIC_CAST(reinterpret_cast, void*, -1) 42 43 #define MREMAP_MAYMOVE 1 44 #define MREMAP_FIXED 2 45 46 #if defined(__USE_FILE_OFFSET64) 47 void* mmap(void*, size_t, int, int, int, off_t) __RENAME(mmap64) __INTRODUCED_IN(21); 48 #else 49 void* mmap(void*, size_t, int, int, int, off_t); 50 #endif 51 52 void* mmap64(void*, size_t, int, int, int, off64_t) __INTRODUCED_IN(21); 53 54 int munmap(void*, size_t); 55 int msync(void*, size_t, int); 56 int mprotect(void*, size_t, int); 57 void* mremap(void*, size_t, size_t, int, ...); 58 59 int mlockall(int) __INTRODUCED_IN(17); 60 int munlockall(void) __INTRODUCED_IN(17); 61 62 int mlock(const void*, size_t); 63 int munlock(const void*, size_t); 64 65 int mincore(void*, size_t, unsigned char*); 66 67 int madvise(void*, size_t, int); 68 69 #if __ANDROID_API__ >= __ANDROID_API_M__ 70 /* 71 * Some third-party code uses the existence of POSIX_MADV_NORMAL to detect the 72 * availability of posix_madvise. This is not correct, since having up-to-date 73 * UAPI headers says nothing about the C library, but for the time being we 74 * don't want to harm adoption of the unified headers. 75 * 76 * https://github.com/android-ndk/ndk/issues/395 77 */ 78 #define POSIX_MADV_NORMAL MADV_NORMAL 79 #define POSIX_MADV_RANDOM MADV_RANDOM 80 #define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL 81 #define POSIX_MADV_WILLNEED MADV_WILLNEED 82 #define POSIX_MADV_DONTNEED MADV_DONTNEED 83 #endif 84 int posix_madvise(void*, size_t, int) __INTRODUCED_IN(23); 85 86 __END_DECLS 87 88 #endif /* _SYS_MMAN_H_ */ 89
