* (Note: the *_driver.minor_start values 1, 64, 128, 192 are
* hardcoded at present.)
*/
-#define NR_PTYS CONFIG_LEGACY_PTY_COUNT /* Number of legacy ptys */
#define NR_UNIX98_PTY_DEFAULT 4096 /* Default maximum for Unix98 ptys */
#define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */
-#define NR_LDISCS 16
+#define NR_LDISCS 18
+
+/* line disciplines */
+#define N_TTY 0
+#define N_SLIP 1
+#define N_MOUSE 2
+#define N_PPP 3
+#define N_STRIP 4
+#define N_AX25 5
+#define N_X25 6 /* X.25 async */
+#define N_6PACK 7
+#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */
+#define N_R3964 9 /* Reserved for Simatic R3964 module */
+#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */
+#define N_IRDA 11 /* Linux IrDa - http://irda.sourceforge.net/ */
+#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data */
+ /* cards about SMS messages */
+#define N_HDLC 13 /* synchronous HDLC */
+#define N_SYNC_PPP 14 /* synchronous PPP */
+#define N_HCI 15 /* Bluetooth HCI UART */
+#define N_GIGASET_M101 16 /* Siemens Gigaset M101 serial DECT adapter */
+#define N_SLCAN 17 /* Serial / USB serial CAN Adaptors */
/*
* This character is the same as _POSIX_VDISABLE: it cannot be used as
int memory_used; /* Buffer space used excluding free queue */
};
/*
- * The pty uses char_buf and flag_buf as a contiguous buffer
- */
-#define PTY_BUF_SIZE 4*TTY_FLIPBUF_SIZE
-
-/*
* When a break, frame error, or parity error happens, these codes are
* stuffed into the flags buffer.
*/
#define L_IEXTEN(tty) _L_FLAG((tty),IEXTEN)
struct device;
+struct signal_struct;
/*
* Where all of the state associated with a tty is kept while the tty
* is open. Since the termios state should be kept even if the tty
int index;
struct tty_ldisc ldisc;
struct mutex termios_mutex;
- struct termios *termios, *termios_locked;
+ struct ktermios *termios, *termios_locked;
char name[64];
- int pgrp;
- int session;
+ struct pid *pgrp;
+ struct pid *session;
unsigned long flags;
int count;
struct winsize winsize;
#define TTY_PTY_LOCK 16 /* pty private */
#define TTY_NO_WRITE_SPLIT 17 /* Preserve write boundaries to driver */
#define TTY_HUPPED 18 /* Post driver->hangup() */
+#define TTY_FLUSHING 19 /* Flushing to ldisc in progress */
+#define TTY_FLUSHPENDING 20 /* Queued buffer flush pending */
#define TTY_WRITE_FLUSH(tty) tty_write_flush((tty))
extern void tty_write_flush(struct tty_struct *);
-extern struct termios tty_std_termios;
+extern struct ktermios tty_std_termios;
extern int kmsg_redirect;
int buflen);
extern void tty_write_message(struct tty_struct *tty, char *msg);
-extern int is_orphaned_pgrp(int pgrp);
+extern int is_current_pgrp_orphaned(void);
extern int is_ignored(int sig);
extern int tty_signal(int sig, struct tty_struct *tty);
extern void tty_hangup(struct tty_struct * tty);
extern void tty_vhangup(struct tty_struct * tty);
extern void tty_unhangup(struct file *filp);
extern int tty_hung_up_p(struct file * filp);
+extern int is_tty(struct file *filp);
extern void do_SAK(struct tty_struct *tty);
+extern void __do_SAK(struct tty_struct *tty);
extern void disassociate_ctty(int priv);
+extern void no_tty(void);
extern void tty_flip_buffer_push(struct tty_struct *tty);
-extern int tty_get_baud_rate(struct tty_struct *tty);
-extern int tty_termios_baud_rate(struct termios *termios);
+extern speed_t tty_get_baud_rate(struct tty_struct *tty);
+extern speed_t tty_termios_baud_rate(struct ktermios *termios);
+extern speed_t tty_termios_input_baud_rate(struct ktermios *termios);
+extern void tty_termios_encode_baud_rate(struct ktermios *termios, speed_t ibaud, speed_t obaud);
+extern void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud, speed_t obaud);
+extern void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old);
+extern int tty_termios_hw_change(struct ktermios *a, struct ktermios *b);
extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *);
extern void tty_ldisc_deref(struct tty_ldisc *);
extern int tty_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned long arg);
-
+extern int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg);
+extern int tty_perform_flush(struct tty_struct *tty, unsigned long arg);
extern dev_t tty_devnum(struct tty_struct *tty);
extern void proc_clear_tty(struct task_struct *p);
-extern void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty);
-extern void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty);
extern struct tty_struct *get_current_tty(void);
extern struct mutex tty_mutex;
+extern void tty_write_unlock(struct tty_struct *tty);
+extern int tty_write_lock(struct tty_struct *tty, int ndelay);
+#define tty_is_writelocked(tty) (mutex_is_locked(&tty->atomic_write_lock))
+
+
+
/* n_tty.c */
extern struct tty_ldisc tty_ldisc_N_TTY;
+/* tty_audit.c */
+#ifdef CONFIG_AUDIT
+extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
+ size_t size);
+extern void tty_audit_exit(void);
+extern void tty_audit_fork(struct signal_struct *sig);
+extern void tty_audit_push(struct tty_struct *tty);
+extern void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid);
+extern void tty_audit_opening(void);
+#else
+static inline void tty_audit_add_data(struct tty_struct *tty,
+ unsigned char *data, size_t size)
+{
+}
+static inline void tty_audit_exit(void)
+{
+}
+static inline void tty_audit_fork(struct signal_struct *sig)
+{
+}
+static inline void tty_audit_push(struct tty_struct *tty)
+{
+}
+static inline void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid)
+{
+}
+static inline void tty_audit_opening(void)
+{
+}
+#endif
+
/* tty_ioctl.c */
extern int n_tty_ioctl(struct tty_struct * tty, struct file * file,
unsigned int cmd, unsigned long arg);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff