1 /* O_*, F_*, FD_* bit values for Linux/PowerPC. 2 Copyright (C) 1995-2021 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _FCNTL_H 20 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." 21 #endif 22 23 #include <bits/wordsize.h> 24 25 #define __O_DIRECTORY 040000 /* Must be a directory. */ 26 #define __O_NOFOLLOW 0100000 /* Do not follow links. */ 27 #define __O_DIRECT 0400000 /* Direct disk access. */ 28 29 #if __WORDSIZE == 64 30 /* Not necessary, files are always with 64bit off_t. */ 31 # define __O_LARGEFILE 0 32 #else 33 # define __O_LARGEFILE 0200000 34 #endif 35 36 struct flock 37 { 38 short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ 39 short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ 40 #ifndef __USE_FILE_OFFSET64 41 __off_t l_start; /* Offset where the lock begins. */ 42 __off_t l_len; /* Size of the locked area; zero means until EOF. */ 43 #else 44 __off64_t l_start; /* Offset where the lock begins. */ 45 __off64_t l_len; /* Size of the locked area; zero means until EOF. */ 46 #endif 47 __pid_t l_pid; /* Process holding the lock. */ 48 }; 49 50 #ifdef __USE_LARGEFILE64 51 struct flock64 52 { 53 short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ 54 short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ 55 __off64_t l_start; /* Offset where the lock begins. */ 56 __off64_t l_len; /* Size of the locked area; zero means until EOF. */ 57 __pid_t l_pid; /* Process holding the lock. */ 58 }; 59 #endif 60 61 /* Include generic Linux declarations. */ 62 #include <bits/fcntl-linux.h> 63