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 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #include <sys/mman.h> 35 #include <sys/param.h> 36 #include <sys/types.h> 37 #include <sys/stat.h> 38 39 #include <fcntl.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <string.h> 43 #include <unistd.h> 44 45 #include "fields.h" 46 #include "types.h" 47 #include "streams_array.h" 48 #include "streams_common.h" 49 #include "streams_mmap.h" 50 #include "streams_stdio.h" 51 #include "streams_wide.h" 52 #include "utility.h" 53 54 #define ST_MEM_FILLED 0x0 /* no memory left; proceed to internal sort */ 55 #define ST_MEM_AVAIL 0x1 /* memory left for sort; take add'l input */ 56 57 #define ST_NOCACHE 0x0 /* write sorted array to temporary file */ 58 #define ST_CACHE 0x1 /* keep sorted array in memory */ 59 #define ST_OPEN 0x2 /* create open temporary file */ 60 #define ST_WIDE 0x4 /* write multibyte chars to temporary file */ 61 62 extern void stream_add_file_to_chain(stream_t **, char *); 63 extern void stream_clear(stream_t *); 64 extern void stream_close_all_previous(stream_t *); 65 extern uint_t stream_count_chain(stream_t *); 66 extern int stream_insert(sort_t *, stream_t *, stream_t *); 67 extern stream_t *stream_new(int); 68 extern int stream_open_for_read(sort_t *, stream_t *); 69 extern void stream_push_to_chain(stream_t **, stream_t *); 70 extern stream_t *stream_push_to_temporary(stream_t **, stream_t *, int); 71 extern void stream_set_size(stream_t *, size_t); 72 extern void stream_stat_chain(stream_t *); 73 extern void stream_swap_buffer(stream_t *, char **, size_t *); 74 extern void stream_unlink_temporary(stream_t *streamp); 75 76 #ifdef __cplusplus 77 } 78 #endif 79 80 #endif /* _SORT_STREAMS_H */ 81