[openssh.git] / atomicio.h

/* $OpenBSD: atomicio.h,v 1.10 2006/08/03 03:34:41 deraadt Exp $ */

/*
 * Copyright (c) 2006 Damien Miller.  All rights reserved.
 * Copyright (c) 1995,1999 Theo de Raadt.  All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _ATOMICIO_H
#define _ATOMICIO_H

/*
 * Ensure all of data on socket comes through. f==read || f==vwrite
 */
size_t	atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t);

#define vwrite (ssize_t (*)(int, void *, size_t))write

/*
 * ensure all of data on socket comes through. f==readv || f==writev
 */
size_t	atomiciov(ssize_t (*)(int, const struct iovec *, int),
    int, const struct iovec *, int);

#endif /* _ATOMICIO_H */
Commit	Line	Data
31652869	1	/* $OpenBSD: atomicio.h,v 1.10 2006/08/03 03:34:41 deraadt Exp $ */
23c2a7a5	2
42f11eb2	3	/*
68d86b37	4	* Copyright (c) 2006 Damien Miller. All rights reserved.
f3c7c613	5	* Copyright (c) 1995,1999 Theo de Raadt. All rights reserved.
42f11eb2	6	* All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
	16	*
	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	27	*/
	28
68d86b37	29	#ifndef _ATOMICIO_H
	30	#define _ATOMICIO_H
	31
42f11eb2	32	/*
dc54438a	33	* Ensure all of data on socket comes through. f==read \|\| f==vwrite
42f11eb2	34	*/
05624c18	35	size_t atomicio(ssize_t ()(int, void , size_t), int, void *, size_t);
dc54438a	36
dc54438a	37	#define vwrite (ssize_t ()(int, void , size_t))write
68d86b37	38
	39	/*
	40	* ensure all of data on socket comes through. f==readv \|\| f==writev
	41	*/
	42	size_t atomiciov(ssize_t ()(int, const struct iovec , int),
	43	int, const struct iovec *, int);
	44
	45	#endif /* _ATOMICIO_H */