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 33 extern "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 64 extern void stream_add_file_to_chain(stream_t **, char *); 65 extern void stream_clear(stream_t *); 66 extern void stream_close_all_previous(stream_t *); 67 extern uint_t stream_count_chain(stream_t *); 68 extern int stream_insert(sort_t *, stream_t *, stream_t *); 69 extern stream_t *stream_new(int); 70 extern int stream_open_for_read(sort_t *, stream_t *); 71 extern void stream_push_to_chain(stream_t **, stream_t *); 72 extern stream_t *stream_push_to_temporary(stream_t **, stream_t *, int); 73 extern void stream_set_size(stream_t *, size_t); 74 extern void stream_stat_chain(stream_t *); 75 extern void stream_swap_buffer(stream_t *, char **, size_t *); 76 extern void stream_unlink_temporary(stream_t *streamp); 77 78 #ifdef __cplusplus 79 } 80 #endif 81 82 #endif /* _SORT_STREAMS_H */ 83