17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * db_headers.h 247c478bd9Sstevel@tonic-gate * 25*a506a34cSth * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 26*a506a34cSth * Use is subject to license terms. 277c478bd9Sstevel@tonic-gate */ 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #ifndef _DB_HEADERS_H 327c478bd9Sstevel@tonic-gate #define _DB_HEADERS_H 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate #include <rpc/rpc.h> 357c478bd9Sstevel@tonic-gate #include <syslog.h> 367c478bd9Sstevel@tonic-gate #include <stdlib.h> 377c478bd9Sstevel@tonic-gate #include <setjmp.h> 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate extern int verbose; 407c478bd9Sstevel@tonic-gate extern jmp_buf dbenv; 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #define FATAL(msg, fcode) \ 437c478bd9Sstevel@tonic-gate { \ 447c478bd9Sstevel@tonic-gate syslog(LOG_ERR, "ERROR: %s", (msg)); \ 457c478bd9Sstevel@tonic-gate __nisdb_get_tsd()->fatalcode = (int)(fcode); \ 467c478bd9Sstevel@tonic-gate __nisdb_get_tsd()->fatalmsg = msg; \ 477c478bd9Sstevel@tonic-gate return; \ 487c478bd9Sstevel@tonic-gate } 497c478bd9Sstevel@tonic-gate #define FATAL3(msg, fcode, retval) \ 507c478bd9Sstevel@tonic-gate { \ 517c478bd9Sstevel@tonic-gate syslog(LOG_ERR, "ERROR: %s", (msg)); \ 527c478bd9Sstevel@tonic-gate __nisdb_get_tsd()->fatalcode = (int)(fcode); \ 537c478bd9Sstevel@tonic-gate __nisdb_get_tsd()->fatalmsg = msg; \ 547c478bd9Sstevel@tonic-gate return (retval); \ 557c478bd9Sstevel@tonic-gate } 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate #ifdef NISDB_MT_DEBUG 587c478bd9Sstevel@tonic-gate #define LOCKVAL(lockcall, msg, lockcode) \ 597c478bd9Sstevel@tonic-gate { \ 607c478bd9Sstevel@tonic-gate lockcode = lockcall(); \ 617c478bd9Sstevel@tonic-gate if (lockcode != 0) { \ 627c478bd9Sstevel@tonic-gate __nisdb_get_tsd()->fatalcode = lockcode; \ 637c478bd9Sstevel@tonic-gate __nisdb_get_tsd()->fatalmsg = msg; \ 647c478bd9Sstevel@tonic-gate abort(); \ 657c478bd9Sstevel@tonic-gate } \ 667c478bd9Sstevel@tonic-gate } 677c478bd9Sstevel@tonic-gate #else 687c478bd9Sstevel@tonic-gate #define LOCKVAL(lockcall, msg, lockcode) \ 697c478bd9Sstevel@tonic-gate { \ 707c478bd9Sstevel@tonic-gate lockcode = lockcall(); \ 717c478bd9Sstevel@tonic-gate if (lockcode != 0) { \ 727c478bd9Sstevel@tonic-gate __nisdb_get_tsd()->fatalcode = lockcode; \ 737c478bd9Sstevel@tonic-gate __nisdb_get_tsd()->fatalmsg = msg; \ 747c478bd9Sstevel@tonic-gate } \ 757c478bd9Sstevel@tonic-gate } 767c478bd9Sstevel@tonic-gate #endif /* NISDB_MT_DEBUG */ 777c478bd9Sstevel@tonic-gate 787c478bd9Sstevel@tonic-gate #define LOCKV(lockcall, msg) \ 797c478bd9Sstevel@tonic-gate { \ 807c478bd9Sstevel@tonic-gate int lockcode; \ 817c478bd9Sstevel@tonic-gate LOCKVAL(lockcall, msg, lockcode); \ 827c478bd9Sstevel@tonic-gate if (lockcode != 0) \ 837c478bd9Sstevel@tonic-gate return; \ 847c478bd9Sstevel@tonic-gate } 857c478bd9Sstevel@tonic-gate #define LOCK(lockcall, retval, msg) \ 867c478bd9Sstevel@tonic-gate { \ 877c478bd9Sstevel@tonic-gate int lockcode; \ 887c478bd9Sstevel@tonic-gate LOCKVAL(lockcall, msg, lockcode); \ 897c478bd9Sstevel@tonic-gate if (lockcode != 0) \ 907c478bd9Sstevel@tonic-gate return (retval); \ 917c478bd9Sstevel@tonic-gate } 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate /* Read lock/unlock 'this', return 'retval' is unsuccessful, and save 'msg' */ 947c478bd9Sstevel@tonic-gate #define READLOCK(this, retval, msg) \ 957c478bd9Sstevel@tonic-gate LOCK(this->acqnonexcl, retval, msg) 967c478bd9Sstevel@tonic-gate #define READUNLOCK(this, retval, msg) \ 977c478bd9Sstevel@tonic-gate LOCK(this->relnonexcl, retval, msg) 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate /* Ditto, but return without a value (i.e., a "void" function */ 1007c478bd9Sstevel@tonic-gate #define READLOCKV(this, msg) \ 1017c478bd9Sstevel@tonic-gate LOCKV(this->acqnonexcl, msg) 1027c478bd9Sstevel@tonic-gate #define READUNLOCKV(this, msg) \ 1037c478bd9Sstevel@tonic-gate LOCKV(this->relnonexcl, msg) 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate /* As READLOCK/READUNLOCK, but set rescode instead of returning on failure */ 1067c478bd9Sstevel@tonic-gate #define READLOCKNR(this, rescode, msg) \ 1077c478bd9Sstevel@tonic-gate LOCKVAL(this->acqnonexcl, msg, rescode) 1087c478bd9Sstevel@tonic-gate #define READUNLOCKNR(this, rescode, msg) \ 1097c478bd9Sstevel@tonic-gate LOCKVAL(this->relnonexcl, msg, rescode) 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate /* As READLOCK/READUNLOCK, but use a write lock */ 1127c478bd9Sstevel@tonic-gate #define WRITELOCK(this, retval, msg) \ 1137c478bd9Sstevel@tonic-gate LOCK(this->acqexcl, retval, msg) 1147c478bd9Sstevel@tonic-gate #define WRITEUNLOCK(this, retval, msg) \ 1157c478bd9Sstevel@tonic-gate LOCK(this->relexcl, retval, msg) 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate /* Non-blocking write lock */ 1187c478bd9Sstevel@tonic-gate #define TRYWRITELOCK(this, rescode, msg) \ 1197c478bd9Sstevel@tonic-gate LOCKVAL(this->tryacqexcl, msg, rescode) 1207c478bd9Sstevel@tonic-gate 1217c478bd9Sstevel@tonic-gate /* Ditto, but return without a value */ 1227c478bd9Sstevel@tonic-gate #define WRITELOCKV(this, msg) \ 1237c478bd9Sstevel@tonic-gate LOCKV(this->acqexcl, msg) 1247c478bd9Sstevel@tonic-gate #define WRITEUNLOCKV(this, msg) \ 1257c478bd9Sstevel@tonic-gate LOCKV(this->relexcl, msg) 1267c478bd9Sstevel@tonic-gate 1277c478bd9Sstevel@tonic-gate /* As WRITELOCK/WRITEUNLOCK, but set rescode instead of returning on failure */ 1287c478bd9Sstevel@tonic-gate #define WRITELOCKNR(this, rescode, msg) \ 1297c478bd9Sstevel@tonic-gate LOCKVAL(this->acqexcl, msg, rescode) 1307c478bd9Sstevel@tonic-gate #define WRITEUNLOCKNR(this, rescode, msg) \ 1317c478bd9Sstevel@tonic-gate LOCKVAL(this->relexcl, msg, rescode) 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate /* Apply a second write lock when already holding another write lock */ 1347c478bd9Sstevel@tonic-gate #define WRITELOCK2(this, retval, msg, that) \ 1357c478bd9Sstevel@tonic-gate if (this != 0) { \ 1367c478bd9Sstevel@tonic-gate int lockcode1, lockcode2; \ 1377c478bd9Sstevel@tonic-gate WRITELOCKNR(this, lockcode2, msg); \ 1387c478bd9Sstevel@tonic-gate if (lockcode2 != 0) { \ 1397c478bd9Sstevel@tonic-gate if (that != 0) { \ 1407c478bd9Sstevel@tonic-gate WRITEUNLOCKNR(that, lockcode1, msg); \ 1417c478bd9Sstevel@tonic-gate } \ 1427c478bd9Sstevel@tonic-gate return (retval); \ 1437c478bd9Sstevel@tonic-gate } \ 1447c478bd9Sstevel@tonic-gate } 1457c478bd9Sstevel@tonic-gate /* Release two write locks */ 1467c478bd9Sstevel@tonic-gate #define WRITEUNLOCK2(this, that, retval1, retval2, msg1, msg2) \ 1477c478bd9Sstevel@tonic-gate { \ 1487c478bd9Sstevel@tonic-gate int lockcode1 = 0, lockcode2 = 0; \ 1497c478bd9Sstevel@tonic-gate if (this != 0) { \ 1507c478bd9Sstevel@tonic-gate WRITEUNLOCKNR(this, lockcode1, msg1); \ 1517c478bd9Sstevel@tonic-gate } \ 1527c478bd9Sstevel@tonic-gate if (that != 0) { \ 1537c478bd9Sstevel@tonic-gate WRITEUNLOCKNR(that, lockcode2, msg2); \ 1547c478bd9Sstevel@tonic-gate } \ 1557c478bd9Sstevel@tonic-gate if (lockcode2 != 0) { \ 1567c478bd9Sstevel@tonic-gate return (retval2); \ 1577c478bd9Sstevel@tonic-gate } else if (lockcode1 != 0) { \ 1587c478bd9Sstevel@tonic-gate return (retval1); \ 1597c478bd9Sstevel@tonic-gate } \ 1607c478bd9Sstevel@tonic-gate } 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate /* Apply a second read lock when already holding another read lock */ 1637c478bd9Sstevel@tonic-gate #define READLOCK2(this, retval, msg, that) \ 1647c478bd9Sstevel@tonic-gate if (this != 0) { \ 1657c478bd9Sstevel@tonic-gate int lockcode1, lockcode2; \ 1667c478bd9Sstevel@tonic-gate READLOCKNR(this, lockcode2, msg); \ 1677c478bd9Sstevel@tonic-gate if (lockcode2 != 0) { \ 1687c478bd9Sstevel@tonic-gate if (that != 0) { \ 1697c478bd9Sstevel@tonic-gate READUNLOCKNR(that, lockcode1, msg); \ 1707c478bd9Sstevel@tonic-gate } \ 1717c478bd9Sstevel@tonic-gate return (retval); \ 1727c478bd9Sstevel@tonic-gate } \ 1737c478bd9Sstevel@tonic-gate } 1747c478bd9Sstevel@tonic-gate /* Release two read locks */ 1757c478bd9Sstevel@tonic-gate #define READUNLOCK2(this, that, retval1, retval2, msg1, msg2) \ 1767c478bd9Sstevel@tonic-gate { \ 1777c478bd9Sstevel@tonic-gate int lockcode1 = 0, lockcode2 = 0; \ 1787c478bd9Sstevel@tonic-gate if (this != 0) { \ 1797c478bd9Sstevel@tonic-gate READUNLOCKNR(this, lockcode1, msg1); \ 1807c478bd9Sstevel@tonic-gate } \ 1817c478bd9Sstevel@tonic-gate if (that != 0) { \ 1827c478bd9Sstevel@tonic-gate READUNLOCKNR(that, lockcode2, msg2); \ 1837c478bd9Sstevel@tonic-gate } \ 1847c478bd9Sstevel@tonic-gate if (lockcode2 != 0) { \ 1857c478bd9Sstevel@tonic-gate return (retval2); \ 1867c478bd9Sstevel@tonic-gate } else if (lockcode1 != 0) { \ 1877c478bd9Sstevel@tonic-gate return (retval1); \ 1887c478bd9Sstevel@tonic-gate } \ 1897c478bd9Sstevel@tonic-gate } 1907c478bd9Sstevel@tonic-gate 1917c478bd9Sstevel@tonic-gate #define ASSERTWRITELOCKHELD(lvar, retval, msg) \ 1927c478bd9Sstevel@tonic-gate { \ 1937c478bd9Sstevel@tonic-gate int lc; \ 1947c478bd9Sstevel@tonic-gate if ((lc = __nisdb_assert_wheld(&lvar ## _rwlock)) != 0) { \ 1957c478bd9Sstevel@tonic-gate __nisdb_get_tsd()->fatalcode = lc; \ 1967c478bd9Sstevel@tonic-gate __nisdb_get_tsd()->fatalmsg = msg; \ 1977c478bd9Sstevel@tonic-gate return (retval); \ 1987c478bd9Sstevel@tonic-gate } \ 1997c478bd9Sstevel@tonic-gate } 2007c478bd9Sstevel@tonic-gate 2017c478bd9Sstevel@tonic-gate #define WARNING(x) { syslog(LOG_ERR, "WARNING: %s", (x)); } 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate #define WARNING_M(x) { syslog(LOG_ERR, "WARNING: %s: %m", (x)); } 2047c478bd9Sstevel@tonic-gate 2057c478bd9Sstevel@tonic-gate 2067c478bd9Sstevel@tonic-gate enum db_status {DB_SUCCESS, DB_NOTFOUND, DB_NOTUNIQUE, 2077c478bd9Sstevel@tonic-gate DB_BADTABLE, DB_BADQUERY, DB_BADOBJECT, 2087c478bd9Sstevel@tonic-gate DB_MEMORY_LIMIT, DB_STORAGE_LIMIT, DB_INTERNAL_ERROR, 2097c478bd9Sstevel@tonic-gate DB_BADDICTIONARY, DB_SYNC_FAILED, DB_LOCK_ERROR}; 2107c478bd9Sstevel@tonic-gate typedef enum db_status db_status; 2117c478bd9Sstevel@tonic-gate 2127c478bd9Sstevel@tonic-gate enum db_action {DB_LOOKUP, DB_REMOVE, DB_ADD, DB_FIRST, DB_NEXT, DB_ALL, 2137c478bd9Sstevel@tonic-gate DB_RESET_NEXT, DB_ADD_NOLOG, 2147c478bd9Sstevel@tonic-gate DB_ADD_NOSYNC, DB_REMOVE_NOSYNC }; 2157c478bd9Sstevel@tonic-gate typedef enum db_action db_action; 2167c478bd9Sstevel@tonic-gate 217*a506a34cSth #endif /* _DB_HEADERS_H */ 218