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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#ifndef _SGX_FILE_H
#define _SGX_FILE_H
#include "sgx_time.h"
#ifdef __cplusplus
extern "C" {
#endif
#define F_DUPFD 0
#define F_GETFD 1
#define F_SETFD 2
#define F_GETFL 3
#define F_SETFL 4
#define FD_CLOEXEC 1
#define O_PATH 010000000
#define O_SEARCH O_PATH
#define O_EXEC O_PATH
#define O_ACCMODE (03 | O_SEARCH)
#define O_RDONLY 00
#define O_WRONLY 01
#define O_RDWR 02
#define O_CREAT 0100
#define O_EXCL 0200
#define O_NOCTTY 0400
#define O_TRUNC 01000
#define O_APPEND 02000
#define O_NONBLOCK 04000
#define O_DSYNC 010000
#define O_SYNC 04010000
#define O_RSYNC 04010000
#define O_DIRECTORY 0200000
#define O_NOFOLLOW 0400000
#define O_CLOEXEC 02000000
#define O_ASYNC 020000
#define O_DIRECT 040000
#define O_LARGEFILE 0
#define O_NOATIME 01000000
#define O_PATH 010000000
#define O_TMPFILE 020200000
#define O_NDELAY O_NONBLOCK
#define S_IFMT 0170000
#define S_IFDIR 0040000
#define S_IFCHR 0020000
#define S_IFBLK 0060000
#define S_IFREG 0100000
#define S_IFIFO 0010000
#define S_IFLNK 0120000
#define S_IFSOCK 0140000
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#define S_ISDIR(mode) (((mode)&S_IFMT) == S_IFDIR)
#define S_ISCHR(mode) (((mode)&S_IFMT) == S_IFCHR)
#define S_ISBLK(mode) (((mode)&S_IFMT) == S_IFBLK)
#define S_ISREG(mode) (((mode)&S_IFMT) == S_IFREG)
#define S_ISFIFO(mode) (((mode)&S_IFMT) == S_IFIFO)
#define S_ISLNK(mode) (((mode)&S_IFMT) == S_IFLNK)
#define S_ISSOCK(mode) (((mode)&S_IFMT) == S_IFSOCK)
#define DT_UNKNOWN 0
#define DT_FIFO 1
#define DT_CHR 2
#define DT_DIR 4
#define DT_BLK 6
#define DT_REG 8
#define DT_LNK 10
#define DT_SOCK 12
#define DT_WHT 14
#define AT_SYMLINK_NOFOLLOW 0x100
#define AT_REMOVEDIR 0x200
#define AT_SYMLINK_FOLLOW 0x400
#define POLLIN 0x001
#define POLLPRI 0x002
#define POLLOUT 0x004
#define POLLERR 0x008
#define POLLHUP 0x010
#define POLLNVAL 0x020
#define POLLRDNORM 0x040
#define POLLRDBAND 0x080
#define POLLWRNORM 0x100
#define POLLWRBAND 0x200
#define FIONREAD 0x541B
#define PATH_MAX 4096
/* Special value used to indicate openat should use the current
working directory. */
#define AT_FDCWD -100
typedef long __syscall_slong_t;
typedef unsigned long dev_t;
typedef unsigned long ino_t;
typedef unsigned mode_t;
typedef unsigned long nlink_t;
typedef unsigned socklen_t;
typedef long blksize_t;
typedef long blkcnt_t;
typedef int pid_t;
typedef unsigned gid_t;
typedef unsigned uid_t;
typedef unsigned long nfds_t;
typedef uintptr_t DIR;
struct dirent {
ino_t d_ino;
off_t d_off;
unsigned short d_reclen;
unsigned char d_type;
char d_name[256];
};
struct stat {
dev_t st_dev;
ino_t st_ino;
nlink_t st_nlink;
mode_t st_mode;
uid_t st_uid;
gid_t st_gid;
unsigned int __pad0;
dev_t st_rdev;
off_t st_size;
blksize_t st_blksize;
blkcnt_t st_blocks;
struct timespec st_atim;
struct timespec st_mtim;
struct timespec st_ctim;
long __unused[3];
};
struct iovec {
void *iov_base;
size_t iov_len;
};
struct pollfd {
int fd;
short events;
short revents;
};
int
open(const char *pathname, int flags, ...);
int
openat(int dirfd, const char *pathname, int flags, ...);
int
close(int fd);
DIR *
fdopendir(int fd);
int
closedir(DIR *dirp);
void
rewinddir(DIR *dirp);
void
seekdir(DIR *dirp, long loc);
struct dirent *
readdir(DIR *dirp);
long
telldir(DIR *dirp);
ssize_t
read(int fd, void *buf, size_t count);
ssize_t
readv(int fd, const struct iovec *iov, int iovcnt);
ssize_t
writev(int fd, const struct iovec *iov, int iovcnt);
ssize_t
preadv(int fd, const struct iovec *iov, int iovcnt, off_t offset);
ssize_t
pwritev(int fd, const struct iovec *iov, int iovcnt, off_t offset);
off_t
lseek(int fd, off_t offset, int whence);
int
ftruncate(int fd, off_t length);
int
stat(const char *pathname, struct stat *statbuf);
int
fstat(int fd, struct stat *statbuf);
int
fstatat(int dirfd, const char *pathname, struct stat *statbuf, int flags);
int
fsync(int fd);
int
fdatasync(int fd);
int
mkdirat(int dirfd, const char *pathname, mode_t mode);
int
link(const char *oldpath, const char *newpath);
int
linkat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath,
int flags);
int
unlinkat(int dirfd, const char *pathname, int flags);
ssize_t
readlink(const char *pathname, char *buf, size_t bufsiz);
ssize_t
readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz);
int
symlinkat(const char *target, int newdirfd, const char *linkpath);
int
renameat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);
int
ioctl(int fd, unsigned long request, ...);
int
fcntl(int fd, int cmd, ... /* arg */);
int
isatty(int fd);
char *
realpath(const char *path, char *resolved_path);
int
posix_fallocate(int fd, off_t offset, off_t len);
int
poll(struct pollfd *fds, nfds_t nfds, int timeout);
int
getopt(int argc, char *const argv[], const char *optstring);
int
sched_yield(void);
ssize_t
getrandom(void *buf, size_t buflen, unsigned int flags);
int
getentropy(void *buffer, size_t length);
int
get_errno(void);
#ifdef __cplusplus
}
#endif
#endif /* end of _SGX_FILE_H */
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