#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/fcntl.h>
#include <sys/filio.h>
#include <sys/kernel.h>
#include <sys/signal.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <sys/ttycom.h>
#include <sys/ttydefaults.h>
#include <sys/uio.h>
#include <sys/vnode.h>

Include dependency graph for tty_ttydisc.c:

Data Structures
struct	ttydisc_recalc_length

Macros
#define	CMP_CC(v, c)

#define	CMP_FLAG(field, opt) (tp->t_termios.c_ ## field ## flag & (opt))

#define	CTAB '\t'

#define	CNL '\n'

#define	CCR '\r'

#define	CTL_VALID(c) ((c) == 0x7f \|\| (unsigned char)(c) < 0x20)

#define	CTL_ECHO(c, q)

#define	CTL_PRINT(c, q)

#define	CTL_WHITE(c) ((c) == ' ' \|\| (c) == CTAB)

#define	CTL_ALNUM(c)

#define	TTY_STACKBUF 256

#define	BREAK_ADD(c)

#define	PRINT_NORMAL() ttyoutq_write_nofrag(&tp->t_outq, &c, 1)

Functions
	__FBSDID ("$FreeBSD$")

	SYSCTL_ULONG (_kern, OID_AUTO, tty_nin, CTLFLAG_RD, &tty_nin, 0, "Total amount of bytes received")

	SYSCTL_ULONG (_kern, OID_AUTO, tty_nout, CTLFLAG_RD, &tty_nout, 0, "Total amount of bytes transmitted")

void	ttydisc_open (struct tty *tp)

void	ttydisc_close (struct tty *tp)

static int	ttydisc_read_canonical (struct tty tp, struct uio uio, int ioflag)

static int	ttydisc_read_raw_no_timer (struct tty tp, struct uio uio, int ioflag)

static int	ttydisc_read_raw_read_timer (struct tty tp, struct uio uio, int ioflag, int oresid)

static int	ttydisc_read_raw_interbyte_timer (struct tty tp, struct uio uio, int ioflag)

int	ttydisc_read (struct tty tp, struct uio uio, int ioflag)

static __inline unsigned int	ttydisc_findchar (const char *obstart, unsigned int oblen)

static int	ttydisc_write_oproc (struct tty *tp, char c)

int	ttydisc_write (struct tty tp, struct uio uio, int ioflag)

void	ttydisc_optimize (struct tty *tp)

void	ttydisc_modem (struct tty *tp, int open)

static int	ttydisc_echo_force (struct tty *tp, char c, int quote)

static int	ttydisc_echo (struct tty *tp, char c, int quote)

static void	ttydisc_reprint_char (void *d, char c, int quote)

static void	ttydisc_reprint (struct tty *tp)

static void	ttydisc_recalc_charlength (void *d, char c, int quote)

static unsigned int	ttydisc_recalc_linelength (struct tty *tp)

static int	ttydisc_rubchar (struct tty *tp)

static void	ttydisc_rubword (struct tty *tp)

int	ttydisc_rint (struct tty *tp, char c, int flags)

size_t	ttydisc_rint_simple (struct tty tp, const void buf, size_t len)

size_t	ttydisc_rint_bypass (struct tty tp, const void buf, size_t len)

void	ttydisc_rint_done (struct tty *tp)

size_t	ttydisc_rint_poll (struct tty *tp)

static void	ttydisc_wakeup_watermark (struct tty *tp)

size_t	ttydisc_getc (struct tty tp, void buf, size_t len)

int	ttydisc_getc_uio (struct tty tp, struct uio uio)

size_t	ttydisc_getc_poll (struct tty *tp)

int	tty_putstrn (struct tty tp, const char p, size_t n)

int	tty_putchar (struct tty *tp, char c)

Variables
static unsigned long	tty_nin = 0

static unsigned long	tty_nout = 0

Macro Definition Documentation

◆ BREAK_ADD

#define BREAK_ADD ( c )

Value:

        do { \
        if (tp->t_termios.c_cc[c] != _POSIX_VDISABLE)   \
                breakc[n++] = tp->t_termios.c_cc[c];    \
} while (0)

◆ CCR

#define CCR '\r'

Definition at line 68 of file tty_ttydisc.c.

◆ CMP_CC

#define CMP_CC	(	v,
		c
	)

Value:

(tp->t_termios.c_cc[v] != _POSIX_VDISABLE && \

tp->t_termios.c_cc[v] == (c))

Definition at line 61 of file tty_ttydisc.c.

◆ CMP_FLAG

#define CMP_FLAG	(	field,
		opt
	)	(tp->t_termios.c_ ## field ## flag & (opt))

Definition at line 63 of file tty_ttydisc.c.

◆ CNL

#define CNL '\n'

Definition at line 67 of file tty_ttydisc.c.

◆ CTAB

#define CTAB '\t'

Definition at line 66 of file tty_ttydisc.c.

◆ CTL_ALNUM

#define CTL_ALNUM ( c )

Value:

(((c) >= '0' && (c) <= '9') || \

((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z'))

Definition at line 81 of file tty_ttydisc.c.

◆ CTL_ECHO

#define CTL_ECHO	(	c,
		q
	)

Value:

(!(q) && ((c) == CERASE2 || (c) == CTAB || \

(c) == CNL || (c) == CCR))

CNL

#define CNL

Definition: tty_ttydisc.c:67

CTAB

#define CTAB

Definition: tty_ttydisc.c:66

CCR

#define CCR

Definition: tty_ttydisc.c:68

Definition at line 73 of file tty_ttydisc.c.

◆ CTL_PRINT

#define CTL_PRINT	(	c,
		q
	)

Value:

((c) == 0x7f || ((unsigned char)(c) < 0x20 && \

((q) || ((c) != CTAB && (c) != CNL))))

Definition at line 76 of file tty_ttydisc.c.

◆ CTL_VALID

#define CTL_VALID ( c ) ((c) == 0x7f || (unsigned char)(c) < 0x20)

Definition at line 71 of file tty_ttydisc.c.

◆ CTL_WHITE

#define CTL_WHITE ( c ) ((c) == ' ' || (c) == CTAB)

Definition at line 79 of file tty_ttydisc.c.

◆ PRINT_NORMAL

#define PRINT_NORMAL ( ) ttyoutq_write_nofrag(&tp->t_outq, &c, 1)

◆ TTY_STACKBUF

#define TTY_STACKBUF 256

Definition at line 84 of file tty_ttydisc.c.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ SYSCTL_ULONG() [1/2]

SYSCTL_ULONG	(	_kern	,
		OID_AUTO	,
		tty_nin	,
		CTLFLAG_RD	,
		&	tty_nin,
		0	,
		"Total amount of bytes received"
	)

◆ SYSCTL_ULONG() [2/2]

SYSCTL_ULONG	(	_kern	,
		OID_AUTO	,
		tty_nout	,
		CTLFLAG_RD	,
		&	tty_nout,
		0	,
		"Total amount of bytes transmitted"
	)

◆ tty_putchar()

int tty_putchar	(	struct tty *	tp,
		char	c
	)

Definition at line 1304 of file tty_ttydisc.c.

References ttydisc_recalc_length::tp, and tty_putstrn().

Referenced by constty_timeout(), and putchar().

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◆ tty_putstrn()

int tty_putstrn	(	struct tty *	tp,
		const char *	p,
		size_t	n
	)

Definition at line 1284 of file tty_ttydisc.c.

References ttydisc_recalc_length::tp, ttydisc_echo_force(), and ttyinq_reprintpos_set().

Referenced by sbuf_tty_drain(), and tty_putchar().

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◆ ttydisc_close()

void ttydisc_close ( struct tty * tp )

Definition at line 93 of file tty_ttydisc.c.

References tty_flush().

Referenced by ttydev_leave().

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◆ ttydisc_echo()

static int ttydisc_echo	(	struct tty *	tp,
		char	c,
		int	quote
	)

static

Definition at line 681 of file tty_ttydisc.c.

References CMP_FLAG, CNL, and ttydisc_echo_force().

Referenced by ttydisc_reprint(), ttydisc_reprint_char(), ttydisc_rint(), and ttydisc_rubchar().

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◆ ttydisc_echo_force()

static int ttydisc_echo_force	(	struct tty *	tp,
		char	c,
		int	quote
	)

static

Definition at line 642 of file tty_ttydisc.c.

References CMP_CC, CMP_FLAG, CTL_ECHO, CTL_PRINT, ttydisc_write_oproc(), and ttyoutq_write_nofrag().

Referenced by tty_putstrn(), and ttydisc_echo().

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◆ ttydisc_findchar()

static __inline unsigned int ttydisc_findchar	(	const char *	obstart,
		unsigned int	oblen
	)

static

Definition at line 355 of file tty_ttydisc.c.

References CTL_VALID.

Referenced by ttydisc_write().

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◆ ttydisc_getc()

size_t ttydisc_getc	(	struct tty *	tp,
		void *	buf,
		size_t	len
	)

Definition at line 1195 of file tty_ttydisc.c.

References buf, ttydisc_recalc_length::tp, tty_nout, ttydisc_wakeup_watermark(), and ttyoutq_read().

Referenced by termtty_outwakeup(), and ttydisc_getc_uio().

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◆ ttydisc_getc_poll()

size_t ttydisc_getc_poll ( struct tty * tp )

Definition at line 1263 of file tty_ttydisc.c.

References ttydisc_recalc_length::tp.

Referenced by pts_kqops_read_event(), ptsdev_ioctl(), ptsdev_poll(), and ptsdev_read().

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◆ ttydisc_getc_uio()

int ttydisc_getc_uio	(	struct tty *	tp,
		struct uio *	uio
	)

Definition at line 1218 of file tty_ttydisc.c.

References buf, ttydisc_recalc_length::tp, tty_nout, TTY_STACKBUF, ttydisc_getc(), ttydisc_wakeup_watermark(), ttyoutq_read_uio(), and uiomove().

Referenced by ptsdev_read().

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◆ ttydisc_modem()

void ttydisc_modem	(	struct tty *	tp,
		int	open
	)

Definition at line 607 of file tty_ttydisc.c.

References CMP_FLAG, tty_flush(), and tty_signal_sessleader().

Referenced by tty_rel_gone().

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◆ ttydisc_open()

void ttydisc_open ( struct tty * tp )

Definition at line 87 of file tty_ttydisc.c.

References ttydisc_optimize().

Referenced by ttydev_open().

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◆ ttydisc_optimize()

void ttydisc_optimize ( struct tty * tp )

Definition at line 587 of file tty_ttydisc.c.

References CMP_FLAG.

Referenced by tty_generic_ioctl(), ttydisc_open(), ttyhook_register(), and ttyhook_unregister().

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◆ ttydisc_read()

int ttydisc_read	(	struct tty *	tp,
		struct uio *	uio,
		int	ioflag
	)

Definition at line 326 of file tty_ttydisc.c.

References CMP_FLAG, tty_hiwat_in_unblock(), ttydisc_read_canonical(), ttydisc_read_raw_interbyte_timer(), ttydisc_read_raw_no_timer(), and ttydisc_read_raw_read_timer().

Referenced by ttydev_read().

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◆ ttydisc_read_canonical()

static int ttydisc_read_canonical	(	struct tty *	tp,
		struct uio *	uio,
		int	ioflag
	)

static

Definition at line 111 of file tty_ttydisc.c.

References BREAK_ADD, CMP_CC, CNL, tty_wait(), tty_wait_background(), ttyinq_findchar(), and ttyinq_read_uio().

Referenced by ttydisc_read().

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◆ ttydisc_read_raw_interbyte_timer()

static int ttydisc_read_raw_interbyte_timer	(	struct tty *	tp,
		struct uio *	uio,
		int	ioflag
	)

static

Definition at line 277 of file tty_ttydisc.c.

References tty_wait(), tty_wait_background(), ttydisc_read_raw_read_timer(), and ttyinq_read_uio().

Referenced by ttydisc_read().

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◆ ttydisc_read_raw_no_timer()

static int ttydisc_read_raw_no_timer	(	struct tty *	tp,
		struct uio *	uio,
		int	ioflag
	)

static

Definition at line 184 of file tty_ttydisc.c.

References tty_wait(), tty_wait_background(), and ttyinq_read_uio().

Referenced by ttydisc_read().

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◆ ttydisc_read_raw_read_timer()

static int ttydisc_read_raw_read_timer	(	struct tty *	tp,
		struct uio *	uio,
		int	ioflag,
		int	oresid
	)

static

Definition at line 223 of file tty_ttydisc.c.

References getmicrotime(), hz, timevaladd(), timevalsub(), tty_timedwait(), tty_wait_background(), ttyinq_read_uio(), and tvtohz().

Referenced by ttydisc_read(), and ttydisc_read_raw_interbyte_timer().

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◆ ttydisc_recalc_charlength()

static void ttydisc_recalc_charlength	(	void *	d,
		char	c,
		int	quote
	)

static

Definition at line 724 of file tty_ttydisc.c.

References CMP_FLAG, CTAB, CTL_PRINT, and data.

Referenced by ttydisc_recalc_linelength().

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◆ ttydisc_recalc_linelength()

static unsigned int ttydisc_recalc_linelength ( struct tty * tp )

static

Definition at line 740 of file tty_ttydisc.c.

References data, ttydisc_recalc_length::tp, ttydisc_recalc_charlength(), and ttyinq_line_iterate_from_reprintpos().

Referenced by ttydisc_rubchar().

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◆ ttydisc_reprint()

static void ttydisc_reprint ( struct tty * tp )

static

Definition at line 704 of file tty_ttydisc.c.

References CNL, ttydisc_echo(), ttydisc_reprint_char(), ttyinq_line_iterate_from_linestart(), and ttyinq_reprintpos_reset().

Referenced by ttydisc_rint(), and ttydisc_rubchar().

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◆ ttydisc_reprint_char()

static void ttydisc_reprint_char	(	void *	d,
		char	c,
		int	quote
	)

static

Definition at line 696 of file tty_ttydisc.c.

References ttydisc_echo().

Referenced by ttydisc_reprint().

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◆ ttydisc_rint()

int ttydisc_rint	(	struct tty *	tp,
		char	c,
		int	flags
	)

Definition at line 855 of file tty_ttydisc.c.

References CCR, CMP_CC, CMP_FLAG, CNL, flags, ttydisc_recalc_length::tp, tty_flush(), tty_hiwat_in_block(), tty_nin, tty_signal_pgrp(), ttydisc_echo(), ttydisc_reprint(), ttydisc_rubchar(), ttydisc_rubword(), ttyinq_canonicalize(), ttyinq_write_nofrag(), and ttyoutq_write_nofrag().

Referenced by terminal_input_char(), terminal_input_raw(), tty_generic_ioctl(), and ttydisc_rint_simple().

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◆ ttydisc_rint_bypass()

size_t ttydisc_rint_bypass	(	struct tty *	tp,
		const void *	buf,
		size_t	len
	)

Definition at line 1114 of file tty_ttydisc.c.

References buf, ttydisc_recalc_length::tp, tty_hiwat_in_block(), tty_nin, ttyinq_canonicalize(), and ttyinq_write().

Referenced by ttydisc_rint_simple().

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◆ ttydisc_rint_done()

void ttydisc_rint_done ( struct tty * tp )

Definition at line 1136 of file tty_ttydisc.c.

References ttydisc_recalc_length::tp, and tty_wakeup().

Referenced by ptsdev_write(), terminal_input_char(), terminal_input_raw(), terminal_input_special(), termteken_respond(), and tty_generic_ioctl().

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◆ ttydisc_rint_poll()

size_t ttydisc_rint_poll ( struct tty * tp )

Definition at line 1151 of file tty_ttydisc.c.

References ttydisc_recalc_length::tp.

Referenced by pts_kqops_write_event(), and ptsdev_poll().

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◆ ttydisc_rint_simple()

size_t ttydisc_rint_simple	(	struct tty *	tp,
		const void *	buf,
		size_t	len
	)

Definition at line 1098 of file tty_ttydisc.c.

References buf, ttydisc_recalc_length::tp, ttydisc_rint(), and ttydisc_rint_bypass().

Referenced by ptsdev_write(), terminal_input_char(), terminal_input_special(), and termteken_respond().

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◆ ttydisc_rubchar()

static int ttydisc_rubchar ( struct tty * tp )

static

Definition at line 750 of file tty_ttydisc.c.

References CMP_FLAG, CTAB, CTL_PRINT, ttydisc_recalc_length::tp, ttydisc_echo(), ttydisc_recalc_linelength(), ttydisc_reprint(), ttyinq_peekchar(), ttyinq_unputchar(), and ttyoutq_write_nofrag().

Referenced by ttydisc_rint(), and ttydisc_rubword().

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◆ ttydisc_rubword()

static void ttydisc_rubword ( struct tty * tp )

static

Definition at line 823 of file tty_ttydisc.c.

References CMP_FLAG, CTL_ALNUM, CTL_WHITE, ttydisc_recalc_length::tp, ttydisc_rubchar(), and ttyinq_peekchar().

Referenced by ttydisc_rint().

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◆ ttydisc_wakeup_watermark()

static void ttydisc_wakeup_watermark ( struct tty * tp )

static

Definition at line 1174 of file tty_ttydisc.c.

References ttydisc_recalc_length::tp, and tty_wakeup().

Referenced by ttydisc_getc(), and ttydisc_getc_uio().

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◆ ttydisc_write()

int ttydisc_write	(	struct tty *	tp,
		struct uio *	uio,
		int	ioflag
	)

Definition at line 455 of file tty_ttydisc.c.

References CMP_FLAG, TTY_STACKBUF, tty_wait(), ttydisc_findchar(), ttydisc_write_oproc(), ttyinq_reprintpos_set(), ttyoutq_write(), and uiomove().

Referenced by ttydev_write().

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◆ ttydisc_write_oproc()

static int ttydisc_write_oproc	(	struct tty *	tp,
		char	c
	)

static

Definition at line 369 of file tty_ttydisc.c.

References CCR, CMP_FLAG, CNL, CTAB, CTL_VALID, PRINT_NORMAL, ttyinq_reprintpos_set(), and ttyoutq_write_nofrag().

Referenced by ttydisc_echo_force(), and ttydisc_write().

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Variable Documentation

◆ tty_nin

unsigned long tty_nin = 0

static

Definition at line 53 of file tty_ttydisc.c.

Referenced by ttydisc_rint(), and ttydisc_rint_bypass().

◆ tty_nout

unsigned long tty_nout = 0

static

Definition at line 56 of file tty_ttydisc.c.

Referenced by ttydisc_getc(), and ttydisc_getc_uio().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ BREAK_ADD

◆ CCR

◆ CMP_CC

◆ CMP_FLAG

◆ CNL

◆ CTAB

◆ CTL_ALNUM

◆ CTL_ECHO

◆ CTL_PRINT

◆ CTL_VALID

◆ CTL_WHITE

◆ PRINT_NORMAL

◆ TTY_STACKBUF

Function Documentation

◆ __FBSDID()

◆ SYSCTL_ULONG() [1/2]

◆ SYSCTL_ULONG() [2/2]

◆ tty_putchar()

◆ tty_putstrn()

◆ ttydisc_close()

◆ ttydisc_echo()

◆ ttydisc_echo_force()

◆ ttydisc_findchar()

◆ ttydisc_getc()

◆ ttydisc_getc_poll()

◆ ttydisc_getc_uio()

◆ ttydisc_modem()

◆ ttydisc_open()

◆ ttydisc_optimize()

◆ ttydisc_read()

◆ ttydisc_read_canonical()

◆ ttydisc_read_raw_interbyte_timer()

◆ ttydisc_read_raw_no_timer()

◆ ttydisc_read_raw_read_timer()

◆ ttydisc_recalc_charlength()

◆ ttydisc_recalc_linelength()

◆ ttydisc_reprint()

◆ ttydisc_reprint_char()

◆ ttydisc_rint()

◆ ttydisc_rint_bypass()

◆ ttydisc_rint_done()

◆ ttydisc_rint_poll()

◆ ttydisc_rint_simple()

◆ ttydisc_rubchar()

◆ ttydisc_rubword()

◆ ttydisc_wakeup_watermark()

◆ ttydisc_write()

◆ ttydisc_write_oproc()

Variable Documentation

◆ tty_nin

◆ tty_nout