text: /* Copyright (C) 2007-2020 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	_SYS_EVENTFD_H
  # error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
  #endif
  
  /* Flags for eventfd.  */
  enum
    {
      EFD_SEMAPHORE = 1,
  #define EFD_SEMAPHORE EFD_SEMAPHORE
      EFD_CLOEXEC = 010000000,
  #define EFD_CLOEXEC EFD_CLOEXEC
      EFD_NONBLOCK = 00200004 /* HPUX has separate NDELAY & NONBLOCK */
  #define EFD_NONBLOCK EFD_NONBLOCK
    };
  