Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _LINUX_FCNTL_H
2#define _LINUX_FCNTL_H
3
4#include <uapi/linux/fcntl.h>
5
6
7#ifndef force_o_largefile
8#define force_o_largefile() (BITS_PER_LONG != 32)
9#endif
10
11#if BITS_PER_LONG == 32
12#define IS_GETLK32(cmd) ((cmd) == F_GETLK)
13#define IS_SETLK32(cmd) ((cmd) == F_SETLK)
14#define IS_SETLKW32(cmd) ((cmd) == F_SETLKW)
15#define IS_GETLK64(cmd) ((cmd) == F_GETLK64)
16#define IS_SETLK64(cmd) ((cmd) == F_SETLK64)
17#define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64)
18#else
19#define IS_GETLK32(cmd) (0)
20#define IS_SETLK32(cmd) (0)
21#define IS_SETLKW32(cmd) (0)
22#define IS_GETLK64(cmd) ((cmd) == F_GETLK)
23#define IS_SETLK64(cmd) ((cmd) == F_SETLK)
24#define IS_SETLKW64(cmd) ((cmd) == F_SETLKW)
25#endif /* BITS_PER_LONG == 32 */
26
27#define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd))
28#define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd))
29#define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
30
31#endif