#ifndef SYS_LINUX_FCNTL_H_
#define SYS_LINUX_FCNTL_H_

#include <sys/types.h>

struct flock
{
    short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
    short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
    off_t l_start;    /* Offset where the lock begins.  */
    off_t l_len;  /* Size of the locked area; zero means until EOF.  */
    pid_t l_pid;  /* Process holding the lock.  */
};

struct flock64
{
    short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
    short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
    off64_t l_start;  /* Offset where the lock begins.  */
    off64_t l_len;    /* Size of the locked area; zero means until EOF.  */
    pid_t l_pid;  /* Process holding the lock.  */
};

#define O_ACCMODE	   0003
#define O_RDONLY	     00
#define O_WRONLY	     01
#define O_RDWR		     02
#define O_CREAT	   0100	/* Not fcntl.  */
#define O_EXCL		   0200	/* Not fcntl.  */
#define O_NOCTTY	   0400	/* Not fcntl.  */
#define O_TRUNC	  01000	/* Not fcntl.  */
#define O_APPEND	  02000
#define O_NONBLOCK	  04000
#define O_NDELAY	O_NONBLOCK
#define O_SYNC	       04010000
#define O_FSYNC		O_SYNC
#define O_ASYNC	 020000
#define O_LARGEFILE	0100000

#define O_DIRECTORY	0200000
#define O_NOFOLLOW	0400000
#define O_CLOEXEC   02000000
#define O_DIRECT	 040000
#define O_NOATIME   01000000
#define O_PATH     010000000
#define O_DSYNC	 010000
#define O_TMPFILE   (020000000 | __O_DIRECTORY)

#define F_GETLK	5	/* Get record locking info.  */
#define F_SETLK	6	/* Set record locking info (non-blocking).  */
#define F_SETLKW	7	/* Set record locking info (blocking).  */
#define F_GETLK64	12	/* Get record locking info.  */
#define F_SETLK64	13	/* Set record locking info (non-blocking).  */
#define F_SETLKW64	14	/* Set record locking info (blocking).  */

#endif