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//
// Copyright 2017 Garrett D'Amore <garrett@damore.org>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#ifndef PLATFORM_POSIX_AIO_H
#define PLATFORM_POSIX_AIO_H
// This file defines structures we will use for emulating asynchronous I/O
// on POSIX. POSIX lacks the support for callback based asynchronous I/O
// that we have on Windows, although it has a non-widely support aio layer
// that is not very performant on many systems. So we emulate this using
// one of several possible different backends.
#include "core/nng_impl.h"
typedef struct nni_posix_pipedesc nni_posix_pipedesc;
extern int nni_posix_pipedesc_sysinit(void);
extern void nni_posix_pipedesc_sysfini(void);
extern int nni_posix_pipedesc_init(nni_posix_pipedesc **, int);
extern void nni_posix_pipedesc_fini(nni_posix_pipedesc *);
extern int nni_posix_pipedesc_read(nni_posix_pipedesc *, nni_aio *);
extern int nni_posix_pipedesc_write(nni_posix_pipedesc *, nni_aio *);
extern void nni_posix_pipedesc_close(nni_posix_pipedesc *);
#endif // PLATFORM_POSIX_AIO_H
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