source: mainline/uspace/lib/c/include/io/chardev.h@ af7b85b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since af7b85b was f2d88f3, checked in by Jiri Svoboda <jiri@…>, 6 years ago

Add forgotten changes to enable non-blocking chardev read

  • Property mode set to 100644
File size: 1.9 KB
Line 
1/*
2 * Copyright (c) 2011 Jan Vesely
3 * Copyright (c) 2017 Jiri Svoboda
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * - Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * - The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29/** @addtogroup libc
30 * @{
31 */
32
33#ifndef LIBC_IO_CHARDEV_H_
34#define LIBC_IO_CHARDEV_H_
35
36#include <async.h>
37#include <stddef.h>
38#include <types/io/chardev.h>
39
40typedef struct {
41 async_sess_t *sess;
42} chardev_t;
43
44extern errno_t chardev_open(async_sess_t *, chardev_t **);
45extern void chardev_close(chardev_t *);
46extern errno_t chardev_read(chardev_t *, void *, size_t, size_t *,
47 chardev_flags_t);
48extern errno_t chardev_write(chardev_t *, const void *, size_t, size_t *);
49
50#endif
51/**
52 * @}
53 */
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