Improve queue_is_locked()

[linux-2.6] / include / linux / tty.h

diff --git a/include/linux/tty.h b/include/linux/tty.h
index defd2ab72449d4b9ef91f4def9a9e1cb2635364f..265831ccaa88de67be83e2dfcbaa5da4a5d71247 100644 (file)
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -23,7 +23,7 @@
  */
 #define NR_UNIX98_PTY_DEFAULT  4096      /* Default maximum for Unix98 ptys */
 #define NR_UNIX98_PTY_MAX      (1 << MINORBITS) /* Absolute limit */
-#define NR_LDISCS              17
+#define NR_LDISCS              18
 
 /* line disciplines */
 #define N_TTY          0
@@ -44,6 +44,7 @@
 #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
@@ -52,13 +53,6 @@
  */
 #define __DISABLED_CHAR '\0'
 
-/*
- * This is the flip buffer used for the tty driver.  The buffer is
- * located in the tty structure, and is used as a high speed interface
- * between the tty driver and the tty line discipline.
- */
-#define TTY_FLIPBUF_SIZE 512
-
 struct tty_buffer {
        struct tty_buffer *next;
        char *char_buf_ptr;
@@ -73,7 +67,6 @@ struct tty_buffer {
 
 struct tty_bufhead {
        struct delayed_work work;
-       struct semaphore pty_sem;
        spinlock_t lock;
        struct tty_buffer *head;        /* Queue head */
        struct tty_buffer *tail;        /* Active buffer */
@@ -307,7 +300,6 @@ 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);
@@ -358,8 +350,7 @@ extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
 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);
+extern void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid, u32 sessionid);
 #else
 static inline void tty_audit_add_data(struct tty_struct *tty,
                                      unsigned char *data, size_t size)
@@ -374,10 +365,7 @@ 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)
+static inline void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid, u32 sessionid)
 {
 }
 #endif