/* * Copyright (c) 2013 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef __TTY_DEV_H__ #define __TTY_DEV_H__ /* * ptmx_ioctl is a pointer to a list of pointers to tty structures which is * grown, as necessary, copied, and replaced, but never shrunk. The ioctl * structures themselves pointed to from this list come and go as needed. */ struct ptmx_ioctl { struct tty *pt_tty; /* pointer to ttymalloc()'ed data */ int pt_flags; struct selinfo pt_selr; struct selinfo pt_selw; u_char pt_send; u_char pt_ucntl; void *pt_devhandle; /* cloned slave device handle */ }; #define PF_PKT 0x0008 /* packet mode */ #define PF_STOPPED 0x0010 /* user told stopped */ #define PF_REMOTE 0x0020 /* remote and flow controlled input */ #define PF_NOSTOP 0x0040 #define PF_UCNTL 0x0080 /* user control mode */ #define PF_UNLOCKED 0x0100 /* slave unlock (master open resets) */ #define PF_OPEN_M 0x0200 /* master is open */ #define PF_OPEN_S 0x0400 /* slave is open */ struct tty_dev_t { int master; // master major device number int slave; // slave major device number unsigned int fix_7828447:1, fix_7070978:1, mac_notify:1, open_reset:1, _reserved:28; #if __LP64__ int _pad; #endif struct tty_dev_t *next; struct ptmx_ioctl *(*open)(int minor, int flags); int (*free)(int minor, int flags); int (*name)(int minor, char *buffer, size_t size); void (*revoke)(int minor, struct tty *tp); }; extern void tty_dev_register(struct tty_dev_t *dev); extern int ttnread(struct tty *tp); #endif // __TTY_DEV_H__