1  /* O_*, F_*, FD_* bit values for Linux / RISC-V.
       2     Copyright (C) 2011-2023 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>