1 #ifndef _LINUX_TTY_FLIP_H
2 #define _LINUX_TTY_FLIP_H
4 extern int tty_buffer_space_avail(struct tty_port *port);
5 extern int tty_buffer_request_room(struct tty_port *port, size_t size);
6 extern int tty_insert_flip_string_flags(struct tty_port *port,
7 const unsigned char *chars, const char *flags, size_t size);
8 extern int tty_insert_flip_string_fixed_flag(struct tty_port *port,
9 const unsigned char *chars, char flag, size_t size);
10 extern int tty_prepare_flip_string(struct tty_port *port,
11 unsigned char **chars, size_t size);
12 extern int tty_prepare_flip_string_flags(struct tty_port *port,
13 unsigned char **chars, char **flags, size_t size);
14 extern void tty_flip_buffer_push(struct tty_port *port);
15 void tty_schedule_flip(struct tty_port *port);
17 static inline int tty_insert_flip_char(struct tty_port *port,
18 unsigned char ch, char flag)
20 struct tty_buffer *tb = port->buf.tail;
21 if (tb && tb->used < tb->size) {
22 *flag_buf_ptr(tb, tb->used) = flag;
23 *char_buf_ptr(tb, tb->used++) = ch;
26 return tty_insert_flip_string_flags(port, &ch, &flag, 1);
29 static inline int tty_insert_flip_string(struct tty_port *port,
30 const unsigned char *chars, size_t size)
32 return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size);
35 extern void tty_buffer_lock_exclusive(struct tty_port *port);
36 extern void tty_buffer_unlock_exclusive(struct tty_port *port);
38 #endif /* _LINUX_TTY_FLIP_H */