52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/* $OpenBSD: mio_priv.h,v 1.13 2022/12/27 17:10:07 jmc Exp $ */
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/*
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* Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef MIO_PRIV_H
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#define MIO_PRIV_H
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#include "sndio.h"
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#define MIO_MAXNFDS 16
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/*
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* private ``handle'' structure
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*/
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struct mio_hdl {
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struct mio_ops *ops;
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unsigned mode; /* MIO_IN | MIO_OUT */
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int nbio; /* true if non-blocking io */
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int eof; /* true if error occurred */
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};
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/*
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* operations every device should support
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*/
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struct mio_ops {
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void (*close)(struct mio_hdl *);
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size_t (*write)(struct mio_hdl *, const void *, size_t);
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size_t (*read)(struct mio_hdl *, void *, size_t);
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int (*nfds)(struct mio_hdl *);
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int (*pollfd)(struct mio_hdl *, struct pollfd *, int);
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int (*revents)(struct mio_hdl *, struct pollfd *);
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};
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struct mio_hdl *_mio_rmidi_open(const char *, unsigned, int);
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struct mio_hdl *_mio_aucat_open(const char *, unsigned, int);
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void _mio_create(struct mio_hdl *, struct mio_ops *, unsigned, int);
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void _mio_destroy(struct mio_hdl *);
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#endif /* !defined(MIO_PRIV_H) */
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