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      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