Back to index

glibc  2.9
aio_error.c
Go to the documentation of this file.
00001 /* Return error status of asynchronous I/O request.
00002    Copyright (C) 1997 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
00005 
00006    The GNU C Library is free software; you can redistribute it and/or
00007    modify it under the terms of the GNU Lesser General Public
00008    License as published by the Free Software Foundation; either
00009    version 2.1 of the License, or (at your option) any later version.
00010 
00011    The GNU C Library is distributed in the hope that it will be useful,
00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014    Lesser General Public License for more details.
00015 
00016    You should have received a copy of the GNU Lesser General Public
00017    License along with the GNU C Library; if not, write to the Free
00018    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00019    02111-1307 USA.  */
00020 
00021 
00022 /* We use an UGLY hack to prevent gcc from finding us cheating.  The
00023    implementation of aio_error and aio_error64 are identical and so
00024    we want to avoid code duplication by using aliases.  But gcc sees
00025    the different parameter lists and prints a warning.  We define here
00026    a function so that aio_error64 has no prototype.  */
00027 #define aio_error64 XXX
00028 #include <aio.h>
00029 /* And undo the hack.  */
00030 #undef aio_error64
00031 
00032 
00033 int
00034 aio_error (aiocbp)
00035      const struct aiocb *aiocbp;
00036 {
00037   return aiocbp->__error_code;
00038 }
00039 
00040 weak_alias (aio_error, aio_error64)