glibc/sysdeps/unix/sysv/linux/riscv/bits/fcntl.h

/* O_*, F_*, FD_* bit values for Linux / RISC-V.
   Copyright (C) 2011-2024 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef	_FCNTL_H
# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
#endif

#include <bits/wordsize.h>

/* In 64-bit ISA files are always with 64bit off_t and F_*LK64 are the same as
   non-64-bit versions.  It will need to be revised for 128-bit.  */
#if __WORDSIZE == 64
# define __O_LARGEFILE	0

# define F_GETLK64	5	/* Get record locking info.  */
# define F_SETLK64	6	/* Set record locking info (non-blocking).  */
# define F_SETLKW64	7	/* Set record locking info (blocking).	*/
#endif

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').  */
#if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64
    __off_t l_start;    /* Offset where the lock begins.  */
    __off_t l_len;      /* Size of the locked area; zero means until EOF.  */
#else
    __off64_t l_start;  /* Offset where the lock begins.  */
    __off64_t l_len;    /* Size of the locked area; zero means until EOF.  */
#endif
    __pid_t l_pid;      /* Process holding the lock.  */
  };

#ifdef __USE_LARGEFILE64
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.  */
  };
#endif

/* Include generic Linux declarations.  */
#include <bits/fcntl-linux.h>