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+/* Copyright (C) 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _AIO_MISC_H
+#define _AIO_MISC_H 1
+
+#include <semaphore.h>
+
+/* Union of the two request types. */
+typedef union
+ {
+ struct aiocb aiocb;
+ struct aiocb64 aiocb64;
+ } aiocb_union;
+
+/* List of enqueued requests. */
+extern aiocb_union *__aio_requests;
+
+/* Lock for global I/O list of requests. */
+extern sem_t __aio_requests_sema;
+
+
+/* Enqueue request. */
+extern int __aio_enqueue_request (aiocb_union *aiocbp, int operation,
+ int require_lock);
+
+/* Send the signal. */
+extern int __aio_sigqueue (int sig, const union sigval val);
+
+#endif /* aio_misc.h */