libc/include/llvm-libc-macros/linux/fcntl-macros.h

   1 //===-- Definition of macros from fcntl.h ---------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef __LLVM_LIBC_MACROS_LINUX_FCNTL_MACROS_H
  10 #define __LLVM_LIBC_MACROS_LINUX_FCNTL_MACROS_H
  11
  12 // File creation flags
  13 #define O_CLOEXEC 02000000
  14 #define O_CREAT 00000100
  15 #define O_PATH 010000000
  16
  17 #ifdef __aarch64__
  18 #define O_DIRECTORY 040000
  19 #else
  20 #define O_DIRECTORY 00200000
  21 #endif
  22
  23 #define O_EXCL 00000200
  24 #define O_NOCTTY 00000400
  25
  26 #ifdef __aarch64__
  27 #define O_NOFOLLOW 0100000
  28 #else
  29 #define O_NOFOLLOW 00400000
  30 #endif
  31
  32 #define O_TRUNC 00001000
  33 #define O_TMPFILE (020000000 | O_DIRECTORY)
  34
  35 // File status flags
  36 #define O_APPEND 00002000
  37 #define O_DSYNC 00010000
  38 #define O_NONBLOCK 00004000
  39 #define O_SYNC 04000000 | O_DSYNC
  40
  41 // File access mode mask
  42 #define O_ACCMODE 00000003
  43
  44 // File access mode flags
  45 #define O_RDONLY 00000000
  46 #define O_RDWR 00000002
  47 #define O_WRONLY 00000001
  48
  49 // File mode flags
  50 #define S_IRWXU 0700
  51 #define S_IRUSR 0400
  52 #define S_IWUSR 0200
  53 #define S_IXUSR 0100
  54 #define S_IRWXG 070
  55 #define S_IRGRP 040
  56 #define S_IWGRP 020
  57 #define S_IXGRP 010
  58 #define S_IRWXO 07
  59 #define S_IROTH 04
  60 #define S_IWOTH 02
  61 #define S_IXOTH 01
  62 #define S_ISUID 04000
  63 #define S_ISGID 02000
  64
  65 // File type flags
  66 #define S_IFMT 0170000
  67 #define S_IFDIR 0040000
  68 #define S_IFCHR 0020000
  69 #define S_IFBLK 0060000
  70 #define S_IFREG 0100000
  71 #define S_FIFO 0010000
  72 #define S_IFLNK 0120000
  73
  74 // Special directory FD to indicate that the path argument to
  75 // openat is relative to the current directory.
  76 #define AT_FDCWD -100
  77
  78 // Special flag to the function unlinkat to indicate that it
  79 // has to perform the equivalent of "rmdir" on the path argument.
  80 #define AT_REMOVEDIR 0x200
  81
  82 // Special flag for functions like lstat to convey that symlinks
  83 // should not be followed.
  84 #define AT_SYMLINK_NOFOLLOW 0x100
  85
  86 // Allow empty relative pathname.
  87 #define AT_EMPTY_PATH 0x1000
  88
  89 // Values of SYS_fcntl commands.
  90 #define F_DUPFD 0
  91 #define F_GETFD 1
  92 #define F_SETFD 2
  93 #define F_GETFL 3
  94 #define F_SETFL 4
  95
  96 #endif // __LLVM_LIBC_MACROS_LINUX_FCNTL_MACROS_H