platform_bionic/libc/include/fcntl.h
Nick Desaulniers 09d900d50f bionic: tests: add test for fallocate FALLOC_FL_PUNCH_HOLE
Bug: 28760453
Change-Id: I1a58d19bf45eac5f930b0f649cf9b8c9046302f3
2016-09-21 09:24:50 -07:00

151 lines
5.1 KiB
C

/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*/
#ifndef _FCNTL_H
#define _FCNTL_H
#include <sys/cdefs.h>
#include <sys/types.h>
#include <linux/fadvise.h>
#include <linux/falloc.h>
#include <linux/fcntl.h>
#include <linux/stat.h>
#include <linux/uio.h>
#include <bits/fcntl.h>
#include <bits/seek_constants.h>
#if defined(__USE_GNU) || defined(__USE_BSD)
#include <bits/lockf.h>
#endif
__BEGIN_DECLS
#ifdef __LP64__
/* LP64 kernels don't have F_*64 defines because their flock is 64-bit. */
#define F_GETLK64 F_GETLK
#define F_SETLK64 F_SETLK
#define F_SETLKW64 F_SETLKW
#endif
#define O_ASYNC FASYNC
#define O_RSYNC O_SYNC
#define SPLICE_F_MOVE 1
#define SPLICE_F_NONBLOCK 2
#define SPLICE_F_MORE 4
#define SPLICE_F_GIFT 8
#define SYNC_FILE_RANGE_WAIT_BEFORE 1
#define SYNC_FILE_RANGE_WRITE 2
#define SYNC_FILE_RANGE_WAIT_AFTER 4
int creat(const char*, mode_t);
int creat64(const char*, mode_t) __INTRODUCED_IN(21);
int openat(int, const char*, int, ...);
int openat64(int, const char*, int, ...) __INTRODUCED_IN(21);
int open(const char*, int, ...);
int open64(const char*, int, ...) __INTRODUCED_IN(21);
ssize_t splice(int, off64_t*, int, off64_t*, size_t, unsigned int) __INTRODUCED_IN(21);
ssize_t tee(int, int, size_t, unsigned int) __INTRODUCED_IN(21);
ssize_t vmsplice(int, const struct iovec*, size_t, unsigned int) __INTRODUCED_IN(21);
#if defined(__USE_FILE_OFFSET64)
int fallocate(int, int, off_t, off_t) __RENAME(fallocate64) __INTRODUCED_IN(21);
int posix_fadvise(int, off_t, off_t, int) __RENAME(posix_fadvise64) __INTRODUCED_IN(21);
int posix_fallocate(int, off_t, off_t) __RENAME(posix_fallocate) __INTRODUCED_IN(21);
#else
int fallocate(int, int, off_t, off_t) __INTRODUCED_IN(21);
int posix_fadvise(int, off_t, off_t, int) __INTRODUCED_IN(21);
int posix_fallocate(int, off_t, off_t) __INTRODUCED_IN(21);
#endif
int fallocate64(int, int, off64_t, off64_t) __INTRODUCED_IN(21);
int posix_fadvise64(int, off64_t, off64_t, int) __INTRODUCED_IN(21);
int posix_fallocate64(int, off64_t, off64_t) __INTRODUCED_IN(21);
#if defined(__USE_GNU)
ssize_t readahead(int, off64_t, size_t) __INTRODUCED_IN(16);
int sync_file_range(int, off64_t, off64_t, unsigned int) __INTRODUCED_IN_FUTURE;
#endif
int __open_2(const char*, int) __INTRODUCED_IN(17);
int __open_real(const char*, int, ...) __RENAME(open);
int __openat_2(int, const char*, int) __INTRODUCED_IN(17);
int __openat_real(int, const char*, int, ...) __RENAME(openat);
__errordecl(__creat_missing_mode, "called with O_CREAT, but missing mode");
__errordecl(__creat_too_many_args, "too many arguments");
#if defined(__BIONIC_FORTIFY)
#if !defined(__clang__)
__BIONIC_FORTIFY_INLINE
int open(const char* pathname, int flags, ...) {
if (__builtin_constant_p(flags)) {
if ((flags & O_CREAT) && __builtin_va_arg_pack_len() == 0) {
__creat_missing_mode(); /* Compile time error. */
}
}
if (__builtin_va_arg_pack_len() > 1) {
__creat_too_many_args(); /* Compile time error. */
}
if ((__builtin_va_arg_pack_len() == 0) && !__builtin_constant_p(flags)) {
return __open_2(pathname, flags);
}
return __open_real(pathname, flags, __builtin_va_arg_pack());
}
__BIONIC_FORTIFY_INLINE
int openat(int dirfd, const char* pathname, int flags, ...) {
if (__builtin_constant_p(flags)) {
if ((flags & O_CREAT) && __builtin_va_arg_pack_len() == 0) {
__creat_missing_mode(); /* Compile time error. */
}
}
if (__builtin_va_arg_pack_len() > 1) {
__creat_too_many_args(); /* Compile time error. */
}
if ((__builtin_va_arg_pack_len() == 0) && !__builtin_constant_p(flags)) {
return __openat_2(dirfd, pathname, flags);
}
return __openat_real(dirfd, pathname, flags, __builtin_va_arg_pack());
}
#endif /* !defined(__clang__) */
#endif /* defined(__BIONIC_FORTIFY) */
__END_DECLS
#endif /* _FCNTL_H */