Source: sysadm/io.h


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/*
 * io.h
 *
 *	sysadm i/o wrappers.
 *
 *
 *  Copyright (c) 1998, 2000 Silicon Graphics, Inc.  All Rights Reserved.
 *  
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of version 2.1 of the GNU Lesser General Public
 *  License as published by the Free Software Foundation.
 *  
 *  This program is distributed in the hope that it would be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *  
 *  Further, this software is distributed without any warranty that it is
 *  free of the rightful claim of any third person regarding infringement
 *  or the like.  Any license provided herein, whether implied or
 *  otherwise, applies only to this software file.  Patent licenses, if
 *  any, provided herein do not apply to combinations of this program
 *  with other software, or any other product whatsoever.
 *  
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this program; if not, write the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307,
 *  USA.
 *  
 *  Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 *  Mountain View, CA 94043, or http://www.sgi.com/
 *  
 *  For further information regarding this notice, see:
 *  http://oss.sgi.com/projects/GenInfo/NoticeExplan/
 */

#ifndef _SYSADM_IO_H
#define _SYSADM_IO_H

#ifdef __cplusplus
extern "C" {
#endif

#ident "$Revision: 1.3 $"

#include <sys/types.h>

/**
 *  Like read(2), but retries when interrupted.
 */
extern ssize_t SaRead(int fd, void *buf, size_t n);

/**
 * Like read(2), but keeps retrying until all bytes are read or an
 * error occurs.
 */
extern ssize_t SaReadFully(int fd, void *buf, size_t n);

/**
 * Like write(2), but retries when interrupted.
 */
extern ssize_t SaWrite(int fd, const void *buf, size_t n);

/**
 * Like write(2), but keeps retrying until all bytes are written or an
 * error occurs.
 */
extern ssize_t SaWriteFully(int fd, const void *buf, size_t n);

#ifdef __cplusplus
}
#endif

#endif /* _SYSADM_IO_H */

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