40360b379c
<signal.h> shouldn't get you the contents of <errno.h>, and <fcntl.h> shouldn't get you the contents of <unistd.h>. Change-Id: I347499cd8671bfee98e6b8e875a97cab3a3655d3
134 lines
4.4 KiB
C
134 lines
4.4 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/fcntl.h>
|
|
#include <linux/stat.h>
|
|
#include <linux/uio.h>
|
|
|
|
__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
|
|
|
|
extern int creat(const char*, mode_t);
|
|
extern int creat64(const char*, mode_t);
|
|
extern int fallocate64(int, int, off64_t, off64_t);
|
|
extern int fallocate(int, int, off_t, off_t);
|
|
extern int fcntl(int, int, ...);
|
|
extern int openat(int, const char*, int, ...);
|
|
extern int openat64(int, const char*, int, ...);
|
|
extern int open(const char*, int, ...);
|
|
extern int open64(const char*, int, ...);
|
|
extern int posix_fadvise64(int, off64_t, off64_t, int);
|
|
extern int posix_fadvise(int, off_t, off_t, int);
|
|
extern int posix_fallocate64(int, off64_t, off64_t);
|
|
extern int posix_fallocate(int, off_t, off_t);
|
|
extern ssize_t splice(int, off64_t*, int, off64_t*, size_t, unsigned int);
|
|
extern ssize_t tee(int, int, size_t, unsigned int);
|
|
extern int unlinkat(int, const char*, int);
|
|
extern ssize_t vmsplice(int, const struct iovec*, size_t, unsigned int);
|
|
|
|
extern int __open_2(const char*, int);
|
|
extern int __open_real(const char*, int, ...) __RENAME(open);
|
|
extern int __openat_2(int, const char*, int);
|
|
extern 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 */
|