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| 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 | // Close on execute for fcntl. |
| 92 | #define FD_CLOEXEC 1 |
| 93 | |
| 94 | #define F_RDLCK 0 |
| 95 | #define F_WRLCK 1 |
| 96 | #define F_UNLCK 2 |
| 97 | |
| 98 | // For Large File Support |
| 99 | #if defined(_LARGEFILE64_SOURCE) |
| 100 | #define F_GETLK F_GETLK64 |
| 101 | #define F_SETLK F_SETLK64 |
| 102 | #define F_SETLKW F_SETLKW64 |
| 103 | #endif |
| 104 | |
| 105 | #endif // LLVM_LIBC_MACROS_LINUX_FCNTL_MACROS_H |
| 106 |
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