[deliverable/linux.git] / include / linux / tty_flip.h

#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);
extern int tty_insert_flip_string_fixed_flag(struct tty_port *port,
		const unsigned char *chars, char flag, size_t size);
extern int tty_prepare_flip_string(struct tty_port *port,
		unsigned char **chars, size_t size);
extern int tty_prepare_flip_string_flags(struct tty_port *port,
		unsigned char **chars, char **flags, size_t size);
extern void tty_flip_buffer_push(struct tty_port *port);
void tty_schedule_flip(struct tty_port *port);

static inline int tty_insert_flip_char(struct tty_port *port,
					unsigned char ch, char flag)
{
	struct tty_buffer *tb = port->buf.tail;
	if (tb && tb->used < tb->size) {
		*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);
}

static inline int tty_insert_flip_string(struct tty_port *port,
		const unsigned char *chars, size_t size)
{
	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 */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_TTY_FLIP_H
	2	#define _LINUX_TTY_FLIP_H
	3
7bfe0b71	4	extern int tty_buffer_space_avail(struct tty_port *port);
227434f8	5	extern int tty_buffer_request_room(struct tty_port *port, size_t size);
2f693357 JS	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);
2e124b4a	14	extern void tty_flip_buffer_push(struct tty_port *port);
6732c8bb	15	void tty_schedule_flip(struct tty_port *port);
33f0f88f	16
92a19f9c	17	static inline int tty_insert_flip_char(struct tty_port *port,
e1a25090	18	unsigned char ch, char flag)
1da177e4	19	{
92a19f9c	20	struct tty_buffer *tb = port->buf.tail;
33b37a33	21	if (tb && tb->used < tb->size) {
1fc359fc PH	22	*flag_buf_ptr(tb, tb->used) = flag;
1fc359fc PH	23	*char_buf_ptr(tb, tb->used++) = ch;
33f0f88f	24	return 1;
1da177e4	25	}
92a19f9c	26	return tty_insert_flip_string_flags(port, &ch, &flag, 1);
1da177e4 LT	27	}
1da177e4 LT	28
05c7cd39 JS	29	static inline int tty_insert_flip_string(struct tty_port *port,
05c7cd39 JS	30	const unsigned char *chars, size_t size)
2832fc11	31	{
05c7cd39	32	return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size);
2832fc11 AC	33	}
2832fc11 AC	34
a7c8d58c PH	35	extern void tty_buffer_lock_exclusive(struct tty_port *port);
	36	extern void tty_buffer_unlock_exclusive(struct tty_port *port);
	37
1da177e4	38	#endif /* _LINUX_TTY_FLIP_H */