xref: /titanic_41/usr/src/cmd/ssh/include/atomicio.h (revision 20c794b39650d115e17a15983b6b82e46238cf45)
1 /*
2  * Copyright (c) 2006 Damien Miller.  All rights reserved.
3  * Copyright (c) 1995,1999 Theo de Raadt.  All rights reserved.
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  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef	_ATOMICIO_H
28 #define	_ATOMICIO_H
29 
30 /*	$OpenBSD: atomicio.h,v 1.4 2001/06/26 06:32:46 itojun Exp $	*/
31 
32 #pragma ident	"%Z%%M%	%I%	%E% SMI"
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 /*
39  * Ensure all of data on socket comes through. f==read || f==write
40  */
41 ssize_t	atomicio(ssize_t (*)(), int, void *, size_t);
42 
43 #define	vwrite (ssize_t (*)(int, void *, size_t))write
44 
45 /*
46  * ensure all of data on socket comes through. f==readv || f==writev
47  */
48 size_t	atomiciov(ssize_t (*)(int, const struct iovec *, int),
49     int, const struct iovec *, int);
50 
51 #ifdef __cplusplus
52 }
53 #endif
54 
55 #endif /* _ATOMICIO_H */
56