diff options
Diffstat (limited to 'include/linux/fcntl.h')
| -rw-r--r-- | include/linux/fcntl.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h new file mode 100644 index 000000000000..1b48d9c9a561 --- /dev/null +++ b/include/linux/fcntl.h @@ -0,0 +1,37 @@ +#ifndef _LINUX_FCNTL_H +#define _LINUX_FCNTL_H + +#include <uapi/linux/fcntl.h> + +/* list of all valid flags for the open/openat flags argument: */ +#define VALID_OPEN_FLAGS \ + (O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \ + O_APPEND | O_NDELAY | O_NONBLOCK | O_NDELAY | __O_SYNC | O_DSYNC | \ + FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \ + O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE) + +#ifndef force_o_largefile +#define force_o_largefile() (BITS_PER_LONG != 32) +#endif + +#if BITS_PER_LONG == 32 +#define IS_GETLK32(cmd) ((cmd) == F_GETLK) +#define IS_SETLK32(cmd) ((cmd) == F_SETLK) +#define IS_SETLKW32(cmd) ((cmd) == F_SETLKW) +#define IS_GETLK64(cmd) ((cmd) == F_GETLK64) +#define IS_SETLK64(cmd) ((cmd) == F_SETLK64) +#define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64) +#else +#define IS_GETLK32(cmd) (0) +#define IS_SETLK32(cmd) (0) +#define IS_SETLKW32(cmd) (0) +#define IS_GETLK64(cmd) ((cmd) == F_GETLK) +#define IS_SETLK64(cmd) ((cmd) == F_SETLK) +#define IS_SETLKW64(cmd) ((cmd) == F_SETLKW) +#endif /* BITS_PER_LONG == 32 */ + +#define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd)) +#define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd)) +#define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd)) + +#endif |