[go: up one dir, main page]

aboutsummaryrefslogblamecommitdiffstats
path: root/rt/aio_read.c
blob: 0f648f039334e998823b336059464e03b964206c (plain) (tree)
1
2
3
4
5
6
7
8
                     
                                                         


                                                                     


                                                                     



                                                                       
                                                  
 
                                                                   
                                                    
                                       
 








                          
 
                     
                         
 
   
                                 
 

                                                                          
 

















                                                            
/* Asynchronous read.
   Copyright (C) 1997-2024 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/>.  */

#include <bits/wordsize.h>
#if __WORDSIZE == 64
# define aio_read64 XXX
# include <aio.h>
/* And undo the hack.  */
# undef aio_read64
#else
# include <aio.h>
#endif

#include <aio_misc.h>
#include <shlib-compat.h>

int
__aio_read (struct aiocb *aiocbp)
{
  return (__aio_enqueue_request ((aiocb_union *) aiocbp, LIO_READ) == NULL
	  ? -1 : 0);
}

#if PTHREAD_IN_LIBC
versioned_symbol (libc, __aio_read, aio_read, GLIBC_2_34);
# if __WORDSIZE == 64
versioned_symbol (libc, __aio_read, aio_read64, GLIBC_2_34);
# endif
# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_34)
compat_symbol (librt, __aio_read, aio_read, GLIBC_2_1);
#  if __WORDSIZE == 64
compat_symbol (librt, __aio_read, aio_read64, GLIBC_2_1);
#  endif
# endif
#else /* !PTHREAD_IN_LIBC */
strong_alias (__aio_read, aio_read)
# if __WORDSIZE == 64
weak_alias (__aio_read, aio_read64)
#endif
#endif  /* !PTHREAD_IN_LIBC */