xref: /netbsd-src/usr.bin/nc/atomicio.h (revision ac264ff54b02c249d2d2a0b74dabfecd2ba4a745)
1*ac264ff5Schristos /* $OpenBSD: atomicio.h,v 1.2 2007/09/07 14:50:44 tobias Exp $ */
2*ac264ff5Schristos 
3*ac264ff5Schristos /*
4*ac264ff5Schristos  * Copyright (c) 2006 Damien Miller.  All rights reserved.
5*ac264ff5Schristos  * Copyright (c) 1995,1999 Theo de Raadt.  All rights reserved.
6*ac264ff5Schristos  * All rights reserved.
7*ac264ff5Schristos  *
8*ac264ff5Schristos  * Redistribution and use in source and binary forms, with or without
9*ac264ff5Schristos  * modification, are permitted provided that the following conditions
10*ac264ff5Schristos  * are met:
11*ac264ff5Schristos  * 1. Redistributions of source code must retain the above copyright
12*ac264ff5Schristos  *    notice, this list of conditions and the following disclaimer.
13*ac264ff5Schristos  * 2. Redistributions in binary form must reproduce the above copyright
14*ac264ff5Schristos  *    notice, this list of conditions and the following disclaimer in the
15*ac264ff5Schristos  *    documentation and/or other materials provided with the distribution.
16*ac264ff5Schristos  *
17*ac264ff5Schristos  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18*ac264ff5Schristos  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19*ac264ff5Schristos  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20*ac264ff5Schristos  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21*ac264ff5Schristos  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22*ac264ff5Schristos  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23*ac264ff5Schristos  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24*ac264ff5Schristos  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25*ac264ff5Schristos  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26*ac264ff5Schristos  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27*ac264ff5Schristos  */
28*ac264ff5Schristos 
29*ac264ff5Schristos #ifndef _ATOMICIO_H
30*ac264ff5Schristos #define _ATOMICIO_H
31*ac264ff5Schristos 
32*ac264ff5Schristos /*
33*ac264ff5Schristos  * Ensure all of data on socket comes through. f==read || f==vwrite
34*ac264ff5Schristos  */
35*ac264ff5Schristos size_t	atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t);
36*ac264ff5Schristos 
37*ac264ff5Schristos #define vwrite (ssize_t (*)(int, void *, size_t))write
38*ac264ff5Schristos 
39*ac264ff5Schristos #endif /* _ATOMICIO_H */
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