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 // Special directory FD to indicate that the path argument to
  50 // openat is relative to the current directory.
  51 #define AT_FDCWD -100
  52
  53 // Special flag to the function unlinkat to indicate that it
  54 // has to perform the equivalent of "rmdir" on the path argument.
  55 #define AT_REMOVEDIR 0x200
  56
  57 // Special flag for functions like lstat to convey that symlinks
  58 // should not be followed.
  59 #define AT_SYMLINK_NOFOLLOW 0x100
  60
  61 // Allow empty relative pathname.
  62 #define AT_EMPTY_PATH 0x1000
  63
  64 // Values of SYS_fcntl commands.
  65 #define F_DUPFD 0
  66 #define F_GETFD 1
  67 #define F_SETFD 2
  68 #define F_GETFL 3
  69 #define F_SETFL 4
  70 #define F_GETLK 5
  71 #define F_SETLK 6
  72 #define F_SETLKW 7
  73 #define F_SETOWN 8
  74 #define F_GETOWN 9
  75 #define F_SETSIG 10
  76 #define F_GETSIG 11
  77 #define F_GETLK64 12
  78 #define F_SETLK64 13
  79 #define F_SETLKW64 14
  80 #define F_SETOWN_EX 15
  81 #define F_GETOWN_EX 16
  82
  83 // Open File Description Locks.
  84 #define F_OFD_GETLK 36
  85 #define F_OFD_SETLK 37
  86 #define F_OFD_SETLKW 38
  87
  88 // Close on succesful
  89 #define F_CLOEXEC 1
  90
  91 #define F_RDLCK 0
  92 #define F_WRLCK 1
  93 #define F_UNLCK 2
  94
  95 // For Large File Support
  96 #if defined(_LARGEFILE64_SOURCE)
  97 #define F_GETLK F_GETLK64
  98 #define F_SETLK F_SETLK64
  99 #define F_SETLKW F_SETLKW64
 100 #endif
 101
 102 #endif // LLVM_LIBC_MACROS_LINUX_FCNTL_MACROS_H