| /* Return error status of asynchronous I/O request. |
| Copyright (C) 1997-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. |
| |
| 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| |
| /* We use an UGLY hack to prevent gcc from finding us cheating. The |
| implementation of aio_error and aio_error64 are identical and so |
| we want to avoid code duplication by using aliases. But gcc sees |
| the different parameter lists and prints a warning. We define here |
| a function so that aio_error64 has no prototype. */ |
| #define aio_error64 XXX |
| #include <aio.h> |
| /* And undo the hack. */ |
| #undef aio_error64 |
| |
| #include <aio_misc.h> |
| |
| |
| int |
| aio_error (const struct aiocb *aiocbp) |
| { |
| int ret; |
| |
| /* Acquire the mutex to make sure all operations for this request are |
| complete. */ |
| pthread_mutex_lock(&__aio_requests_mutex); |
| ret = aiocbp->__error_code; |
| pthread_mutex_unlock(&__aio_requests_mutex); |
| |
| return ret; |
| } |
| |
| weak_alias (aio_error, aio_error64) |
