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