1 /* O_*, F_*, FD_* bit values for Linux / RISC-V. 2 Copyright (C) 2011-2021 Free Software Foundation, Inc. 3 4 This file is part of the GNU C Library. 5 6 The GNU C Library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 The GNU C Library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, see 18 <https://www.gnu.org/licenses/>. */ 19 20 #ifndef _FCNTL_H 21 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." 22 #endif 23 24 #include <bits/wordsize.h> 25 26 /* In 64-bit ISA files are always with 64bit off_t and F_*LK64 are the same as 27 non-64-bit versions. It will need to be revised for 128-bit. */ 28 #if __WORDSIZE == 64 29 # define __O_LARGEFILE 0 30 31 # define F_GETLK64 5 /* Get record locking info. */ 32 # define F_SETLK64 6 /* Set record locking info (non-blocking). */ 33 # define F_SETLKW64 7 /* Set record locking info (blocking). */ 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 #if __WORDSIZE == 64 || !defined __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