1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* 23 * Copyright 1998-2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#ifndef _SORT_STREAMS_H 28#define _SORT_STREAMS_H 29 30#pragma ident "%Z%%M% %I% %E% SMI" 31 32#ifdef __cplusplus 33extern "C" { 34#endif 35 36#include <sys/mman.h> 37#include <sys/param.h> 38#include <sys/types.h> 39#include <sys/stat.h> 40 41#include <fcntl.h> 42#include <stdio.h> 43#include <stdlib.h> 44#include <string.h> 45#include <unistd.h> 46 47#include "fields.h" 48#include "types.h" 49#include "streams_array.h" 50#include "streams_common.h" 51#include "streams_mmap.h" 52#include "streams_stdio.h" 53#include "streams_wide.h" 54#include "utility.h" 55 56#define ST_MEM_FILLED 0x0 /* no memory left; proceed to internal sort */ 57#define ST_MEM_AVAIL 0x1 /* memory left for sort; take add'l input */ 58 59#define ST_NOCACHE 0x0 /* write sorted array to temporary file */ 60#define ST_CACHE 0x1 /* keep sorted array in memory */ 61#define ST_OPEN 0x2 /* create open temporary file */ 62#define ST_WIDE 0x4 /* write multibyte chars to temporary file */ 63 64extern void stream_add_file_to_chain(stream_t **, char *); 65extern void stream_clear(stream_t *); 66extern void stream_close_all_previous(stream_t *); 67extern uint_t stream_count_chain(stream_t *); 68extern int stream_insert(sort_t *, stream_t *, stream_t *); 69extern stream_t *stream_new(int); 70extern int stream_open_for_read(sort_t *, stream_t *); 71extern void stream_push_to_chain(stream_t **, stream_t *); 72extern stream_t *stream_push_to_temporary(stream_t **, stream_t *, int); 73extern void stream_set_size(stream_t *, size_t); 74extern void stream_stat_chain(stream_t *); 75extern void stream_swap_buffer(stream_t *, char **, size_t *); 76extern void stream_unlink_temporary(stream_t *streamp); 77 78#ifdef __cplusplus 79} 80#endif 81 82#endif /* _SORT_STREAMS_H */ 83