1  /* O_*, F_*, FD_* bit values for the generic Linux/LoongArch ABI.
       2     Copyright (C) 2022-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library.  If not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #ifndef _FCNTL_H
      20  #error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
      21  #endif
      22  
      23  #include <bits/wordsize.h>
      24  
      25  /* In 64-bit ISA files are always with 64bit off_t and F_*LK64 are the same as
      26     non-64-bit versions.  It will need to be revised for 128-bit.  */
      27  #if __WORDSIZE == 64
      28  #define __O_LARGEFILE 0
      29  
      30  #define F_GETLK64 5  /* Get record locking info.  */
      31  #define F_SETLK64 6  /* Set record locking info (non-blocking).  */
      32  #define F_SETLKW64 7 /* Set record locking info (blocking).  */
      33  #endif
      34  
      35  struct flock
      36  {
      37    short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
      38    short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
      39  #ifndef __USE_FILE_OFFSET64
      40    __off_t l_start; /* Offset where the lock begins.  */
      41    __off_t l_len;   /* Size of the locked area; zero means until EOF.  */
      42  #else
      43    __off64_t l_start; /* Offset where the lock begins.  */
      44    __off64_t l_len;   /* Size of the locked area; zero means until EOF.  */
      45  #endif
      46    __pid_t l_pid; /* Process holding the lock.  */
      47  };
      48  
      49  #ifdef __USE_LARGEFILE64
      50  struct flock64
      51  {
      52    short int l_type;   /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
      53    short int l_whence; /* Where `l_start' is relative to (like `lseek').  */
      54    __off64_t l_start;  /* Offset where the lock begins.  */
      55    __off64_t l_len;    /* Size of the locked area; zero means until EOF.  */
      56    __pid_t l_pid;      /* Process holding the lock.  */
      57  };
      58  #endif
      59  
      60  /* Include generic Linux declarations.  */
      61  #include <bits/fcntl-linux.h>