X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/5d5c5d0d5b79ade9a973d55186ffda2638ba2b6e..7ee9d059c4eecf68ae4f8b0fb99ae2471eda79af:/bsd/sys/tty.h diff --git a/bsd/sys/tty.h b/bsd/sys/tty.h index 33506b5a9..ecfb234d5 100644 --- a/bsd/sys/tty.h +++ b/bsd/sys/tty.h @@ -1,31 +1,29 @@ /* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ + * @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 + * 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_LICENSE_OSREFERENCE_HEADER_END@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1997 Apple Computer, Inc. All Rights Reserved */ /*- @@ -78,6 +76,11 @@ #ifdef KERNEL + +__BEGIN_DECLS +#include +__END_DECLS + /* * NetBSD Clists are actually ring buffers. The c_cc, c_cf, c_cl fields have * exactly the same behaviour as in true clists. @@ -109,6 +112,8 @@ struct clist { * (low, high, timeout). */ struct tty { + lck_mtx_t t_lock; /* Per tty lock */ + struct clist t_rawq; /* Device raw input queue. */ long t_rawcc; /* Raw input queue statistics. */ struct clist t_canq; /* Device canonical queue. */ @@ -138,8 +143,11 @@ struct tty { int t_hiwat; /* High water mark. */ int t_lowat; /* Low water mark. */ int t_gen; /* Generation number. */ + void *t_iokit; /* IOKit management */ }; +#define TTY_NULL (struct tty *)0 + #define t_cc t_termios.c_cc #define t_cflag t_termios.c_cflag #define t_iflag t_termios.c_iflag @@ -212,6 +220,8 @@ struct clist; #define TS_DSR_OFLOW 0x800000 /* For CDSR_OFLOW. */ #endif +#define TS_IOCTL_NOT_OK 0x1000000 /* Workaround */ + /* Character type information. */ #define ORDINARY 0 @@ -243,13 +253,6 @@ struct speedtab { #define TTY_BI 0x08000000 /* Break condition */ #ifdef KERNEL -/* Is tp controlling terminal for p? */ -#define isctty(p, tp) \ - ((p)->p_session == (tp)->t_session && (p)->p_flag & P_CONTROLT) - -/* Is p in background of tp? */ -#define isbackground(p, tp) \ - (isctty((p), (tp)) && (p)->p_pgrp != (tp)->t_pgrp) /* Unique sleep addresses. */ #define TSA_CARR_ON(tp) ((void *)&(tp)->t_rawq) @@ -280,17 +283,26 @@ void cinit(void); void clrbits(u_char *cp, int off, int len); #ifdef KERNEL_PRIVATE +void tty_init(void); +/* + * The locked version of this function is used from routines which hold + * the tty_lock(), such as ttcompat() in tty_compat.c + */ +int ttioctl_locked(struct tty *tp, u_long com, caddr_t data, int flag, + struct proc *p); + int ttcompat(struct tty *tp, u_long com, caddr_t data, int flag, struct proc *p); -int ttsetcompat(struct tty *tp, u_long *com, caddr_t data, struct termios *term); #endif /* KERNEL_PRIVATE */ +void tty_lock(struct tty *tp); +void tty_unlock(struct tty *tp); + void termioschars(struct termios *t); int tputchar(int c, struct tty *tp); int ttioctl(struct tty *tp, u_long com, caddr_t data, int flag, struct proc *p); int ttread(struct tty *tp, struct uio *uio, int flag); -void ttrstrt(void *tp); int ttyselect(struct tty *tp, int rw, void * wql, struct proc *p); int ttselect(dev_t dev, int rw, void * wql, struct proc *p); void ttsetwater(struct tty *tp); @@ -300,11 +312,11 @@ void ttwakeup(struct tty *tp); int ttwrite(struct tty *tp, struct uio *uio, int flag); void ttwwakeup(struct tty *tp); void ttyblock(struct tty *tp); -void ttychars(struct tty *tp); int ttycheckoutq(struct tty *tp, int wait); -int ttyclose(struct tty *tp); +int ttyclose(struct tty *tp); /* LEGACY: avoid using */ void ttyflush(struct tty *tp, int rw); void ttyinfo(struct tty *tp); +void ttyinfo_locked(struct tty *tp); int ttyinput(int c, struct tty *tp); int ttylclose(struct tty *tp, int flag); int ttymodem(struct tty *tp, int flag);