diff options
Diffstat (limited to 'include/linux/tty_flip.h')
| -rw-r--r-- | include/linux/tty_flip.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h index e0f252633b4..21ddd7d9ea1 100644 --- a/include/linux/tty_flip.h +++ b/include/linux/tty_flip.h @@ -1,6 +1,7 @@ #ifndef _LINUX_TTY_FLIP_H #define _LINUX_TTY_FLIP_H +extern int tty_buffer_space_avail(struct tty_port *port); extern int tty_buffer_request_room(struct tty_port *port, size_t size); extern int tty_insert_flip_string_flags(struct tty_port *port, const unsigned char *chars, const char *flags, size_t size); @@ -18,8 +19,8 @@ static inline int tty_insert_flip_char(struct tty_port *port, { struct tty_buffer *tb = port->buf.tail; if (tb && tb->used < tb->size) { - tb->flag_buf_ptr[tb->used] = flag; - tb->char_buf_ptr[tb->used++] = ch; + *flag_buf_ptr(tb, tb->used) = flag; + *char_buf_ptr(tb, tb->used++) = ch; return 1; } return tty_insert_flip_string_flags(port, &ch, &flag, 1); @@ -31,4 +32,7 @@ static inline int tty_insert_flip_string(struct tty_port *port, return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size); } +extern void tty_buffer_lock_exclusive(struct tty_port *port); +extern void tty_buffer_unlock_exclusive(struct tty_port *port); + #endif /* _LINUX_TTY_FLIP_H */ |