tty.c File Reference

#include <sys/cdefs.h>
#include "opt_capsicum.h"
#include "opt_printf.h"
#include <sys/param.h>
#include <sys/capsicum.h>
#include <sys/conf.h>
#include <sys/cons.h>
#include <sys/fcntl.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/filio.h>
#include <sys/kernel.h>
#include <sys/limits.h>
#include <sys/malloc.h>
#include <sys/mount.h>
#include <sys/poll.h>
#include <sys/priv.h>
#include <sys/proc.h>
#include <sys/serial.h>
#include <sys/signal.h>
#include <sys/stat.h>
#include <sys/sx.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <sys/ttycom.h>
#include <sys/ttydefaults.h>
#include <sys/ucred.h>
#include <sys/vnode.h>
#include <fs/devfs/devfs.h>
#include <machine/stdarg.h>
#include "opt_ddb.h"

Include dependency graph for tty.c:

Go to the source code of this file.

Macros
#define	TTYDEFCHARS
#define	TTYSUP_IFLAG
#define	TTYSUP_OFLAG   (OPOST|ONLCR|TAB3|ONOEOT|OCRNL|ONOCR|ONLRET)
#define	TTYSUP_LFLAG
#define	TTYSUP_CFLAG
#define	TTY_CALLOUT(tp, d)   (dev2unit(d) & TTYUNIT_CALLOUT)
#define	TTYBUF_MAX   65536
#define	TTY_PRBUF_SIZE   256
#define	PATCH_FUNC(x)
#define	TF_ACTIVITY   (TF_GONE|TF_OPENED|TF_HOOK|TF_OPENCLOSE)

Functions
	__FBSDID ("$FreeBSD$")
static	MALLOC_DEFINE (M_TTY, "tty", "tty device")
static void	tty_rel_free (struct tty *tp)
static	TAILQ_HEAD (tty)
static int	tty_drain (struct tty *tp, int leaving)
static __inline int	ttydev_enter (struct tty *tp)
static void	ttydev_leave (struct tty *tp)
static int	ttydev_open (struct cdev *dev, int oflags, int devtype __unused, struct thread *td)
static int	ttydev_close (struct cdev *dev, int fflag, int devtype __unused, struct thread *td __unused)
static __inline int	tty_is_ctty (struct tty *tp, struct proc *p)
int	tty_wait_background (struct tty *tp, struct thread *td, int sig)
static int	ttydev_read (struct cdev *dev, struct uio *uio, int ioflag)
static int	ttydev_write (struct cdev *dev, struct uio *uio, int ioflag)
static int	ttydev_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
static int	ttydev_poll (struct cdev *dev, int events, struct thread *td)
static int	ttydev_mmap (struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr, int nprot, vm_memattr_t *memattr)
static void	tty_kqops_read_detach (struct knote *kn)
static int	tty_kqops_read_event (struct knote *kn, long hint __unused)
static void	tty_kqops_write_detach (struct knote *kn)
static int	tty_kqops_write_event (struct knote *kn, long hint __unused)
static int	ttydev_kqfilter (struct cdev *dev, struct knote *kn)
static int	ttyil_open (struct cdev *dev, int oflags __unused, int devtype __unused, struct thread *td)
static int	ttyil_close (struct cdev *dev __unused, int flag __unused, int mode __unused, struct thread *td __unused)
static int	ttyil_rdwr (struct cdev *dev __unused, struct uio *uio __unused, int ioflag __unused)
static int	ttyil_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
static void	tty_init_termios (struct tty *tp)
void	tty_init_console (struct tty *tp, speed_t s)
static int	ttydevsw_defopen (struct tty *tp __unused)
static void	ttydevsw_defclose (struct tty *tp __unused)
static void	ttydevsw_defoutwakeup (struct tty *tp __unused)
static void	ttydevsw_definwakeup (struct tty *tp __unused)
static int	ttydevsw_defioctl (struct tty *tp __unused, u_long cmd __unused, caddr_t data __unused, struct thread *td __unused)
static int	ttydevsw_defcioctl (struct tty *tp __unused, int unit __unused, u_long cmd __unused, caddr_t data __unused, struct thread *td __unused)
static int	ttydevsw_defparam (struct tty *tp __unused, struct termios *t)
static int	ttydevsw_defmodem (struct tty *tp __unused, int sigon __unused, int sigoff __unused)
static int	ttydevsw_defmmap (struct tty *tp __unused, vm_ooffset_t offset __unused, vm_paddr_t *paddr __unused, int nprot __unused, vm_memattr_t *memattr __unused)
static void	ttydevsw_defpktnotify (struct tty *tp __unused, char event __unused)
static void	ttydevsw_deffree (void *softc __unused)
static bool	ttydevsw_defbusy (struct tty *tp __unused)
struct tty *	tty_alloc (struct ttydevsw *tsw, void *sc)
struct tty *	tty_alloc_mutex (struct ttydevsw *tsw, void *sc, struct mtx *mutex)
static void	tty_dealloc (void *arg)
void	tty_rel_pgrp (struct tty *tp, struct pgrp *pg)
void	tty_rel_sess (struct tty *tp, struct session *sess)
void	tty_rel_gone (struct tty *tp)
static int	tty_drop_ctty (struct tty *tp, struct proc *p)
static void	tty_to_xtty (struct tty *tp, struct xtty *xt)
static int	sysctl_kern_ttys (SYSCTL_HANDLER_ARGS)
	SYSCTL_PROC (_kern, OID_AUTO, ttys, CTLTYPE_OPAQUE|CTLFLAG_RD|CTLFLAG_MPSAFE, 0, 0, sysctl_kern_ttys, "S,xtty", "List of TTYs")
int	tty_makedevf (struct tty *tp, struct ucred *cred, int flags, const char *fmt,...)
void	tty_signal_sessleader (struct tty *tp, int sig)
void	tty_signal_pgrp (struct tty *tp, int sig)
void	tty_wakeup (struct tty *tp, int flags)
int	tty_wait (struct tty *tp, struct cv *cv)
int	tty_timedwait (struct tty *tp, struct cv *cv, int hz)
void	tty_flush (struct tty *tp, int flags)
void	tty_set_winsize (struct tty *tp, const struct winsize *wsz)
static int	tty_generic_ioctl (struct tty *tp, u_long cmd, void *data, int fflag, struct thread *td)
int	tty_ioctl (struct tty *tp, u_long cmd, void *data, int fflag, struct thread *td)
dev_t	tty_udev (struct tty *tp)
int	tty_checkoutq (struct tty *tp)
void	tty_hiwat_in_block (struct tty *tp)
void	tty_hiwat_in_unblock (struct tty *tp)
static int	ttyhook_defrint (struct tty *tp, char c, int flags)
int	ttyhook_register (struct tty **rtp, struct proc *p, int fd, struct ttyhook *th, void *softc)
void	ttyhook_unregister (struct tty *tp)
static int	ttyconsdev_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
static int	ttyconsdev_write (struct cdev *dev, struct uio *uio, int ioflag)
static void	ttyconsdev_init (void *unused __unused)
	SYSINIT (tty, SI_SUB_DRIVERS, SI_ORDER_FIRST, ttyconsdev_init, NULL)
void	ttyconsdev_select (const char *name)

Variables
static struct filterops	tty_kqops_read
static struct filterops	tty_kqops_write
static struct cdevsw	ttydev_cdevsw
static struct cdevsw	ttyil_cdevsw
static struct cdevsw	ttyconsdev_cdevsw

Macro Definition Documentation

PATCH_FUNC

#define PATCH_FUNC

(

x

)

Value:

        do {                            \
        if (tsw->tsw_ ## x == NULL)                     \
                tsw->tsw_ ## x = ttydevsw_def ## x;     \
} while (0)

TF_ACTIVITY

#define TF_ACTIVITY   (TF_GONE|TF_OPENED|TF_HOOK|TF_OPENCLOSE)

TTY_CALLOUT

#define TTY_CALLOUT	(		tp,
			d
	)		(dev2unit(d) & TTYUNIT_CALLOUT)

TTY_PRBUF_SIZE

#define TTY_PRBUF_SIZE   256

TTYBUF_MAX

#define TTYBUF_MAX   65536

TTYDEFCHARS

#define TTYDEFCHARS

Definition at line 64 of file tty.c.

TTYSUP_CFLAG

#define TTYSUP_CFLAG

Value:

                        (CIGNORE|CSIZE|CSTOPB|CREAD|PARENB|PARODD|\
                        HUPCL|CLOCAL|CCTS_OFLOW|CRTS_IFLOW|CDTR_IFLOW|\
                        CDSR_OFLOW|CCAR_OFLOW|CNO_RTSDTR)

TTYSUP_IFLAG

#define TTYSUP_IFLAG

Value:

                        (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|ISTRIP|\
                        INLCR|IGNCR|ICRNL|IXON|IXOFF|IXANY|IMAXBEL)

TTYSUP_LFLAG

#define TTYSUP_LFLAG

Value:

                        (ECHOKE|ECHOE|ECHOK|ECHO|ECHONL|ECHOPRT|\
                        ECHOCTL|ISIG|ICANON|ALTWERASE|IEXTEN|TOSTOP|\
                        FLUSHO|NOKERNINFO|NOFLSH)

TTYSUP_OFLAG

#define TTYSUP_OFLAG   (OPOST|ONLCR|TAB3|ONOEOT|OCRNL|ONOCR|ONLRET)

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

MALLOC_DEFINE()

static MALLOC_DEFINE ( M_TTY  , "tty"  , "tty device"    )

static

sysctl_kern_ttys()

static int sysctl_kern_ttys ( SYSCTL_HANDLER_ARGS  )

static

Definition at line 1309 of file tty.c.

References free(), malloc(), and tty_to_xtty().

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SYSCTL_PROC()

SYSCTL_PROC	(	_kern	,
		OID_AUTO	,
		ttys	,
		CTLTYPE_OPAQUE|CTLFLAG_RD|	CTLFLAG_MPSAFE,
		0	,
		0	,
		sysctl_kern_ttys	,
		"	S,
		xtty"	,
		"List of TTYs"
	)

SYSINIT()

SYSINIT	(	tty	,
		SI_SUB_DRIVERS	,
		SI_ORDER_FIRST	,
		ttyconsdev_init	,
		NULL
	)

TAILQ_HEAD()

static TAILQ_HEAD ( tty  )

static

Definition at line 78 of file tty.c.

tty_alloc()

struct tty * tty_alloc	(	struct ttydevsw *	tsw,
		void *	sc
	)

Definition at line 1049 of file tty.c.

References tty_alloc_mutex().

Referenced by pts_alloc(), pts_alloc_external(), and terminal_maketty().

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tty_alloc_mutex()

struct tty * tty_alloc_mutex	(	struct ttydevsw *	tsw,
		void *	sc,
		struct mtx *	mutex
	)

Definition at line 1056 of file tty.c.

References busy, cv_init(), free(), knlist_init_mtx(), malloc(), PATCH_FUNC, tty_init_termios(), and TTY_PRBUF_SIZE.

Referenced by tty_alloc().

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tty_checkoutq()

int tty_checkoutq

(

struct tty *

tp

)

Definition at line 2000 of file tty.c.

Referenced by tty_info(), and vtprintf().

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tty_dealloc()

static void tty_dealloc ( void *  arg )

static

Definition at line 1110 of file tty.c.

References cv_destroy(), free(), knlist_destroy(), seldrain(), ttyinq_free(), and ttyoutq_free().

Referenced by tty_rel_free().

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tty_drain()

static int tty_drain ( struct tty *  tp, int  leaving  )

static

Definition at line 153 of file tty.c.

References hz, and tty_timedwait().

Referenced by tty_generic_ioctl(), and ttydev_leave().

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tty_drop_ctty()

static int tty_drop_ctty ( struct tty *  tp, struct proc *  p  )

static

Definition at line 1219 of file tty.c.

References proctree_lock.

Referenced by tty_generic_ioctl().

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tty_flush()

void tty_flush	(	struct tty *	tp,
		int	flags
	)

Definition at line 1593 of file tty.c.

References flags, tty_hiwat_in_unblock(), tty_wakeup(), ttyinq_flush(), and ttyoutq_flush().

Referenced by tty_generic_ioctl(), ttydev_close(), ttydisc_close(), ttydisc_modem(), and ttydisc_rint().

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tty_generic_ioctl()

static int tty_generic_ioctl ( struct tty *  tp, u_long  cmd, void *  data, int  fflag, struct thread *  td  )

static

Definition at line 1627 of file tty.c.

References constty_clear(), constty_set(), data, fgetown(), flags, fsetown(), pgfind(), priv_check(), proctree_lock, tty_drain(), tty_drop_ctty(), tty_flush(), tty_info(), tty_ioctl_compat(), tty_is_ctty(), tty_set_winsize(), tty_wakeup(), ttydisc_optimize(), ttydisc_rint(), ttydisc_rint_done(), ttyinq_canonicalize(), TTYSUP_CFLAG, TTYSUP_IFLAG, TTYSUP_LFLAG, and TTYSUP_OFLAG.

Referenced by tty_ioctl().

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tty_hiwat_in_block()

void tty_hiwat_in_block

(

struct tty *

tp

)

Definition at line 2008 of file tty.c.

References ttyoutq_write_nofrag().

Referenced by ttydisc_rint(), and ttydisc_rint_bypass().

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tty_hiwat_in_unblock()

void tty_hiwat_in_unblock

(

struct tty *

tp

)

Definition at line 2028 of file tty.c.

References ttyoutq_write_nofrag().

Referenced by tty_flush(), and ttydisc_read().

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tty_init_console()

void tty_init_console	(	struct tty *	tp,
		speed_t	s
	)

Definition at line 920 of file tty.c.

tty_init_termios()

static void tty_init_termios ( struct tty *  tp )

static

Definition at line 904 of file tty.c.

Referenced by tty_alloc_mutex().

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tty_ioctl()

int tty_ioctl	(	struct tty *	tp,
		u_long	cmd,
		void *	data,
		int	fflag,
		struct thread *	td
	)

Definition at line 1973 of file tty.c.

References data, and tty_generic_ioctl().

Referenced by ptsdev_ioctl(), tty_ioctl_compat(), and ttydev_ioctl().

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tty_is_ctty()

static __inline int tty_is_ctty ( struct tty *  tp, struct proc *  p  )

static

Definition at line 414 of file tty.c.

Referenced by tty_generic_ioctl(), and tty_wait_background().

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tty_kqops_read_detach()

static void tty_kqops_read_detach ( struct knote *  kn )

static

Definition at line 708 of file tty.c.

References knlist_remove().

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tty_kqops_read_event()

static int tty_kqops_read_event ( struct knote *  kn, long hint  __unused  )

static

Definition at line 716 of file tty.c.

tty_kqops_write_detach()

static void tty_kqops_write_detach ( struct knote *  kn )

static

Definition at line 732 of file tty.c.

References knlist_remove().

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tty_kqops_write_event()

static int tty_kqops_write_event ( struct knote *  kn, long hint  __unused  )

static

Definition at line 740 of file tty.c.

tty_makedevf()

int tty_makedevf	(	struct tty *	tp,
		struct ucred *	cred,
		int	flags,
		const char *	fmt,
			...
	)

Definition at line 1347 of file tty.c.

References clock, destroy_dev(), dev_depends(), flags, make_dev_s(), mode, name, ttydev_cdevsw, ttyil_cdevsw, and vsnrprintf().

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tty_rel_free()

static void tty_rel_free ( struct tty *  tp )

static

Definition at line 1141 of file tty.c.

References destroy_dev_sched_cb(), funsetown(), TF_ACTIVITY, and tty_dealloc().

Referenced by tty_rel_gone(), tty_rel_sess(), ttydev_leave(), and ttyhook_unregister().

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tty_rel_gone()

void tty_rel_gone

(

struct tty *

tp

)

Definition at line 1200 of file tty.c.

References tty_rel_free(), tty_wakeup(), and ttydisc_modem().

Referenced by ptsdev_close().

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tty_rel_pgrp()

void tty_rel_pgrp	(	struct tty *	tp,
		struct pgrp *	pg
	)

Definition at line 1172 of file tty.c.

Referenced by pgdelete().

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tty_rel_sess()

void tty_rel_sess	(	struct tty *	tp,
		struct session *	sess
	)

Definition at line 1185 of file tty.c.

References tty_rel_free().

Referenced by sess_release().

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tty_set_winsize()

void tty_set_winsize	(	struct tty *	tp,
		const struct winsize *	wsz
	)

Definition at line 1617 of file tty.c.

References tty_signal_pgrp().

Referenced by terminal_sync_ttysize(), and tty_generic_ioctl().

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tty_signal_pgrp()

void tty_signal_pgrp	(	struct tty *	tp,
		int	sig
	)

Definition at line 1506 of file tty.c.

References pgsignal(), and tty_info().

Referenced by killjobc(), ptsdev_ioctl(), tty_set_winsize(), and ttydisc_rint().

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tty_signal_sessleader()

void tty_signal_sessleader	(	struct tty *	tp,
		int	sig
	)

Definition at line 1479 of file tty.c.

References kern_psignal().

Referenced by ttydisc_modem().

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tty_timedwait()

int tty_timedwait	(	struct tty *	tp,
		struct cv *	cv,
		int	hz
	)

Definition at line 1571 of file tty.c.

References hz.

Referenced by tty_drain(), and ttydisc_read_raw_read_timer().

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tty_to_xtty()

static void tty_to_xtty ( struct tty *  tp, struct xtty *  xt  )

static

Definition at line 1288 of file tty.c.

Referenced by sysctl_kern_ttys().

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tty_udev()

dev_t tty_udev

(

struct tty *

tp

)

Definition at line 1990 of file tty.c.

Referenced by acct_process(), fill_kinfo_proc_pgrp(), ptsdev_fill_kinfo(), ptsdev_stat(), and sysctl_kern_proc_iterate().

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tty_wait()

int tty_wait	(	struct tty *	tp,
		struct cv *	cv
	)

Definition at line 1549 of file tty.c.

Referenced by tty_wait_background(), ttydev_open(), ttydev_write(), ttydisc_read_canonical(), ttydisc_read_raw_interbyte_timer(), ttydisc_read_raw_no_timer(), and ttydisc_write().

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tty_wait_background()

int tty_wait_background	(	struct tty *	tp,
		struct thread *	td,
		int	sig
	)

Definition at line 423 of file tty.c.

References pgsignal(), tty_is_ctty(), and tty_wait().

Referenced by ttydev_ioctl(), ttydev_write(), ttydisc_read_canonical(), ttydisc_read_raw_interbyte_timer(), ttydisc_read_raw_no_timer(), and ttydisc_read_raw_read_timer().

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tty_wakeup()

void tty_wakeup	(	struct tty *	tp,
		int	flags
	)

Definition at line 1530 of file tty.c.

References flags, pgsigio(), and selwakeup().

Referenced by tty_flush(), tty_generic_ioctl(), tty_rel_gone(), ttydev_close(), ttydisc_rint_done(), and ttydisc_wakeup_watermark().

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ttyconsdev_init()

static void ttyconsdev_init ( void *unused  __unused )

static

Definition at line 2226 of file tty.c.

References make_dev_credf(), and ttyconsdev_cdevsw.

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ttyconsdev_open()

static int ttyconsdev_open ( struct cdev *  dev, int  oflags, int  devtype, struct thread *  td  )

static

Definition at line 2172 of file tty.c.

References ttydev_open().

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ttyconsdev_select()

void ttyconsdev_select

(

const char *

name

)

Definition at line 2236 of file tty.c.

References name.

Referenced by cnadd(), cnremove(), and cnselect().

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ttyconsdev_write()

static int ttyconsdev_write ( struct cdev *  dev, struct uio *  uio, int  ioflag  )

static

Definition at line 2198 of file tty.c.

References log_console(), and ttydev_write().

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ttydev_close()

static int ttydev_close ( struct cdev *  dev, int  fflag, int devtype  __unused, struct thread *td  __unused  )

static

Definition at line 373 of file tty.c.

References tty_flush(), tty_wakeup(), and ttydev_leave().

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ttydev_enter()

static __inline int ttydev_enter ( struct tty *  tp )

static

Definition at line 215 of file tty.c.

Referenced by ttydev_ioctl(), ttydev_kqfilter(), ttydev_mmap(), ttydev_poll(), ttydev_read(), and ttydev_write().

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ttydev_ioctl()

static int ttydev_ioctl ( struct cdev *  dev, u_long  cmd, caddr_t  data, int  fflag, struct thread *  td  )

static

Definition at line 563 of file tty.c.

References data, TTY_CALLOUT, tty_ioctl(), tty_wait_background(), and ttydev_enter().

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ttydev_kqfilter()

static int ttydev_kqfilter ( struct cdev *  dev, struct knote *  kn  )

static

Definition at line 768 of file tty.c.

References knlist_add(), tty_kqops_read, tty_kqops_write, and ttydev_enter().

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ttydev_leave()

static void ttydev_leave ( struct tty *  tp )

static

Definition at line 230 of file tty.c.

References constty_clear(), tty_drain(), tty_rel_free(), ttydisc_close(), ttyinq_free(), and ttyoutq_free().

Referenced by ttydev_close(), and ttydev_open().

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ttydev_mmap()

static int ttydev_mmap ( struct cdev *  dev, vm_ooffset_t  offset, vm_paddr_t *  paddr, int  nprot, vm_memattr_t *  memattr  )

static

Definition at line 686 of file tty.c.

References ttydev_enter().

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ttydev_open()

static int ttydev_open ( struct cdev *  dev, int  oflags, int devtype  __unused, struct thread *  td  )

static

Definition at line 273 of file tty.c.

References priv_check(), TTY_CALLOUT, tty_wait(), ttydev_leave(), and ttydisc_open().

Referenced by ttyconsdev_open().

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ttydev_poll()

static int ttydev_poll ( struct cdev *  dev, int  events, struct thread *  td  )

static

Definition at line 649 of file tty.c.

References selrecord(), and ttydev_enter().

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ttydev_read()

static int ttydev_read ( struct cdev *  dev, struct uio *  uio, int  ioflag  )

static

Definition at line 503 of file tty.c.

References ttydev_enter(), and ttydisc_read().

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ttydev_write()

static int ttydev_write ( struct cdev *  dev, struct uio *  uio, int  ioflag  )

static

Definition at line 524 of file tty.c.

References cv_signal(), tty_wait(), tty_wait_background(), ttydev_enter(), and ttydisc_write().

Referenced by ttyconsdev_write().

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ttydevsw_defbusy()

static bool ttydevsw_defbusy ( struct tty *tp  __unused )

static

Definition at line 1036 of file tty.c.

ttydevsw_defcioctl()

static int ttydevsw_defcioctl ( struct tty *tp  __unused, int unit  __unused, u_long cmd  __unused, caddr_t data  __unused, struct thread *td  __unused  )

static

Definition at line 975 of file tty.c.

ttydevsw_defclose()

static void ttydevsw_defclose ( struct tty *tp  __unused )

static

Definition at line 948 of file tty.c.

ttydevsw_deffree()

static void ttydevsw_deffree ( void *softc  __unused )

static

Definition at line 1029 of file tty.c.

References panic().

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ttydevsw_definwakeup()

static void ttydevsw_definwakeup ( struct tty *tp  __unused )

static

Definition at line 961 of file tty.c.

ttydevsw_defioctl()

static int ttydevsw_defioctl ( struct tty *tp  __unused, u_long cmd  __unused, caddr_t data  __unused, struct thread *td  __unused  )

static

Definition at line 967 of file tty.c.

ttydevsw_defmmap()

static int ttydevsw_defmmap ( struct tty *tp  __unused, vm_ooffset_t offset  __unused, vm_paddr_t *paddr  __unused, int nprot  __unused, vm_memattr_t *memattr  __unused  )

static

Definition at line 1014 of file tty.c.

ttydevsw_defmodem()

static int ttydevsw_defmodem ( struct tty *tp  __unused, int sigon  __unused, int sigoff  __unused  )

static

Definition at line 1005 of file tty.c.

ttydevsw_defopen()

static int ttydevsw_defopen ( struct tty *tp  __unused )

static

Definition at line 941 of file tty.c.

ttydevsw_defoutwakeup()

static void ttydevsw_defoutwakeup ( struct tty *tp  __unused )

static

Definition at line 954 of file tty.c.

References panic().

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ttydevsw_defparam()

static int ttydevsw_defparam ( struct tty *tp  __unused, struct termios *  t  )

static

Definition at line 983 of file tty.c.

ttydevsw_defpktnotify()

static void ttydevsw_defpktnotify ( struct tty *tp  __unused, char event  __unused  )

static

Definition at line 1023 of file tty.c.

ttyhook_defrint()

static int ttyhook_defrint ( struct tty *  tp, char  c, int  flags  )

static

Definition at line 2055 of file tty.c.

Referenced by ttyhook_register().

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ttyhook_register()

int ttyhook_register	(	struct tty **	rtp,
		struct proc *	p,
		int	fd,
		struct ttyhook *	th,
		void *	softc
	)

Definition at line 2065 of file tty.c.

References badfileops, dev_relthread(), devvn_refthread(), fd, fget_cap_noref(), ttydev_cdevsw, ttydisc_optimize(), and ttyhook_defrint().

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ttyhook_unregister()

void ttyhook_unregister

(

struct tty *

tp

)

Definition at line 2150 of file tty.c.

References tty_rel_free(), and ttydisc_optimize().

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ttyil_close()

static int ttyil_close ( struct cdev *dev  __unused, int flag  __unused, int mode  __unused, struct thread *td  __unused  )

static

Definition at line 833 of file tty.c.

ttyil_ioctl()

static int ttyil_ioctl ( struct cdev *  dev, u_long  cmd, caddr_t  data, int  fflag, struct thread *  td  )

static

Definition at line 849 of file tty.c.

References data, and priv_check().

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ttyil_open()

static int ttyil_open ( struct cdev *  dev, int oflags  __unused, int devtype  __unused, struct thread *  td  )

static

Definition at line 816 of file tty.c.

ttyil_rdwr()

static int ttyil_rdwr ( struct cdev *dev  __unused, struct uio *uio  __unused, int ioflag  __unused  )

static

Definition at line 841 of file tty.c.

Variable Documentation

tty_kqops_read

struct filterops tty_kqops_read

static

Initial value:

= {
        .f_isfd = 1,
        .f_detach = tty_kqops_read_detach,
        .f_event = tty_kqops_read_event,
}

Definition at line 755 of file tty.c.

Referenced by ttydev_kqfilter().

tty_kqops_write

struct filterops tty_kqops_write

static

Initial value:

= {
        .f_isfd = 1,
        .f_detach = tty_kqops_write_detach,
        .f_event = tty_kqops_write_event,
}

Definition at line 761 of file tty.c.

Referenced by ttydev_kqfilter().

ttyconsdev_cdevsw

struct cdevsw ttyconsdev_cdevsw

static

Initial value:

= {
        .d_version      = D_VERSION,
        .d_open         = ttyconsdev_open,
        .d_close        = ttydev_close,
        .d_read         = ttydev_read,
        .d_write        = ttyconsdev_write,
        .d_ioctl        = ttydev_ioctl,
        .d_kqfilter     = ttydev_kqfilter,
        .d_poll         = ttydev_poll,
        .d_mmap         = ttydev_mmap,
        .d_name         = "ttyconsdev",
        .d_flags        = D_TTY,
}

Definition at line 2211 of file tty.c.

Referenced by ttyconsdev_init().

ttydev_cdevsw

struct cdevsw ttydev_cdevsw

static

Initial value:

= {
        .d_version      = D_VERSION,
        .d_open         = ttydev_open,
        .d_close        = ttydev_close,
        .d_read         = ttydev_read,
        .d_write        = ttydev_write,
        .d_ioctl        = ttydev_ioctl,
        .d_kqfilter     = ttydev_kqfilter,
        .d_poll         = ttydev_poll,
        .d_mmap         = ttydev_mmap,
        .d_name         = "ttydev",
        .d_flags        = D_TTY,
}

Definition at line 797 of file tty.c.

Referenced by tty_makedevf(), and ttyhook_register().

ttyil_cdevsw

struct cdevsw ttyil_cdevsw

static

Initial value:

= {
        .d_version      = D_VERSION,
        .d_open         = ttyil_open,
        .d_close        = ttyil_close,
        .d_read         = ttyil_rdwr,
        .d_write        = ttyil_rdwr,
        .d_ioctl        = ttyil_ioctl,
        .d_name         = "ttyil",
        .d_flags        = D_TTY,
}

Definition at line 892 of file tty.c.

Referenced by tty_makedevf().