mirror of https://github.com/ericonr/sndio.git
65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2014-2020 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 SIOCTL_PRIV_H
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#define SIOCTL_PRIV_H
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#include <sndio.h>
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#define SIOCTL_MAXNFDS 4
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/*
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* private ``handle'' structure
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*/
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struct sioctl_hdl {
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struct sioctl_ops *ops;
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void (*desc_cb)(void *, struct sioctl_desc *, int);
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void *desc_arg;
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void (*ctl_cb)(void *, unsigned int, unsigned int);
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void *ctl_arg;
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unsigned int mode; /* SIOCTL_READ | SIOCTL_WRITE */
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int nbio; /* true if non-blocking io */
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int eof; /* true if error occured */
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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 sioctl_ops {
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void (*close)(struct sioctl_hdl *);
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int (*nfds)(struct sioctl_hdl *);
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int (*pollfd)(struct sioctl_hdl *, struct pollfd *, int);
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int (*revents)(struct sioctl_hdl *, struct pollfd *);
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int (*setctl)(struct sioctl_hdl *, unsigned int, unsigned int);
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int (*onctl)(struct sioctl_hdl *);
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int (*ondesc)(struct sioctl_hdl *);
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};
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struct sioctl_hdl *_sioctl_aucat_open(const char *, unsigned int, int);
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struct sioctl_hdl *_sioctl_obsd_open(const char *, unsigned int, int);
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struct sioctl_hdl *_sioctl_fake_open(const char *, unsigned int, int);
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#ifdef USE_SUN_MIXER
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struct sioctl_hdl *_sioctl_sun_open(const char *, unsigned int, int);
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#endif
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void _sioctl_create(struct sioctl_hdl *,
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struct sioctl_ops *, unsigned int, int);
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void _sioctl_ondesc_cb(struct sioctl_hdl *,
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struct sioctl_desc *, unsigned int);
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void _sioctl_onval_cb(struct sioctl_hdl *, unsigned int, unsigned int);
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int _sioctl_psleep(struct sioctl_hdl *, int);
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#endif /* !defined(SIOCTL_PRIV_H) */
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