82 lines
3 KiB
C
82 lines
3 KiB
C
/*
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* Copyright (c) 2013 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef __TTY_DEV_H__
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#define __TTY_DEV_H__
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/*
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* ptmx_ioctl is a pointer to a list of pointers to tty structures which is
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* grown, as necessary, copied, and replaced, but never shrunk. The ioctl
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* structures themselves pointed to from this list come and go as needed.
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*/
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struct ptmx_ioctl {
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struct tty *pt_tty; /* pointer to ttymalloc()'ed data */
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int pt_flags;
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struct selinfo pt_selr;
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struct selinfo pt_selw;
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u_char pt_send;
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u_char pt_ucntl;
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void *pt_devhandle; /* cloned replica device handle */
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};
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#define PF_PKT 0x0008 /* packet mode */
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#define PF_STOPPED 0x0010 /* user told stopped */
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#define PF_NOSTOP 0x0040
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#define PF_UCNTL 0x0080 /* user control mode */
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#define PF_UNLOCKED 0x0100 /* replica unlock (primary open resets) */
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#define PF_OPEN_M 0x0200 /* primary is open */
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#define PF_OPEN_S 0x0400 /* replica is open */
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struct tty_dev_t {
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int primary; // primary major device number
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int replica; // replica major device number
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unsigned int fix_7828447:1,
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fix_7070978:1,
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mac_notify:1,
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open_reset:1,
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_reserved:28;
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#if __LP64__
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int _pad;
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#endif
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struct tty_dev_t *next;
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struct ptmx_ioctl *(*open)(int minor, int flags);
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int (*free)(int minor, int flags);
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int (*name)(int minor, char *buffer, size_t size);
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void (*revoke)(int minor, struct tty *tp);
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};
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extern void tty_dev_register(struct tty_dev_t *dev);
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extern int ttnread(struct tty *tp);
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extern void termios32to64(struct termios32 *in, struct user_termios *out);
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extern void termios64to32(struct user_termios *in, struct termios32 *out);
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#endif // __TTY_DEV_H__
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