nisdb_mt.cc revision 2
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb/*
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * CDDL HEADER START
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb *
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * The contents of this file are subject to the terms of the
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * Common Development and Distribution License, Version 1.0 only
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * (the "License"). You may not use this file except in compliance
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * with the License.
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb *
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * or http://www.opensolaris.org/os/licensing.
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * See the License for the specific language governing permissions
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * and limitations under the License.
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb *
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * When distributing Covered Code, include this CDDL HEADER in each
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * If applicable, add the following below this CDDL HEADER, with the
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * fields enclosed by brackets "[]" replaced with your own identifying
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * information: Portions Copyright [yyyy] [name of copyright owner]
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb *
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * CDDL HEADER END
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb */
c586600796766c83eb9485c446886fd9ed2359a9Keyur Desai/*
23a9c295bad892ce51d86fda89698563b5810495Gordon Ross * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * Use is subject to license terms.
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb */
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#pragma ident "%Z%%M% %I% %E% SMI"
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#include "nisdb_mt.h"
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#include "nisdb_rw.h"
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#include "db_headers.h"
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#include "db_entry.h"
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#include "db.h"
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#include "db_dictionary.h"
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbstatic nisdb_tsd_t nisdb_shared_tsd;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbstatic pthread_key_t nisdb_tsd_key;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbvoid
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb__nisdb_tsd_destroy(void *key) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb nisdb_tsd_t *tsd = (nisdb_tsd_t *)key;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if (tsd != 0) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb free(tsd);
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb }
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb}
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbextern "C" {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbstatic void
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb__nisdb_init_tsd_key(void)
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb{
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb (void) pthread_key_create(&nisdb_tsd_key, __nisdb_tsd_destroy);
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb}
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#pragma init(__nisdb_init_tsd_key)
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb}
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbnisdb_tsd_t *
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb__nisdb_get_tsd(void) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb nisdb_tsd_t *tsd;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if ((tsd = (nisdb_tsd_t *)pthread_getspecific(nisdb_tsd_key)) == 0) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb /* No TSD; create it */
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if ((tsd = (nisdb_tsd_t *)malloc(sizeof (*tsd))) != 0) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb /* Initialize TSD */
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb memset(tsd, 0, sizeof (*tsd));
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb /* Register TSD */
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if (pthread_setspecific(nisdb_tsd_key, tsd) != 0) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb /* Can't store key */
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#ifdef NISDB_MT_DEBUG
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb abort();
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#endif
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb free(tsd);
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb tsd = &nisdb_shared_tsd;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb }
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb } else {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb /* No memory ? */
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#ifdef NISDB_MT_DEBUG
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb abort();
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb#endif
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb tsd = &nisdb_shared_tsd;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb }
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb }
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb return (tsd);
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb}
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbvoid
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbsetMappingStatus(int nisPlusStat, int ldapStat) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb nisdb_tsd_t *tsd = __nisdb_get_tsd();
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if (tsd != 0) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb tsd->nisPlusStat = nisPlusStat;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb tsd->ldapStat = ldapStat;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb }
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb}
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb/*
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * Save a copy of 'obj' in the TSD. If the TSD already holds an old object,
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * delete it before saving the new one.
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb *
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * On successful exit, '*storedP' indicates whether or not the entry was
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * stored, and hence whether or not we're perfroming a modify operation.
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb *
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * Return 1 if successful, 0 otherwise.
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb */
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbint
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbsaveOldObjForModify(entry_obj *obj, int *storedP) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb nisdb_tsd_t *tsd = __nisdb_get_tsd();
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb int stored;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if (tsd == 0)
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb return (0);
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if ((stored = tsd->doingModify) != 0) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb entry_object *eObj = tsd->oldObj;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if (eObj != 0) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb free_entry(eObj);
9fb67ea305c66b6a297583b9b0db6796b0dfe497afshin salek ardakani - Sun Microsystems - Irvine United States tsd->oldObj = 0;
9fb67ea305c66b6a297583b9b0db6796b0dfe497afshin salek ardakani - Sun Microsystems - Irvine United States }
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if (obj != 0) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb eObj = new_entry((entry_object *)obj);
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if (eObj == 0)
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb return (0);
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb } else {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb eObj = 0;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb }
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb tsd->oldObj = (entry_obj *)eObj;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb }
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb if (storedP != 0)
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb *storedP = stored;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb return (1);
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb}
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb/*
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * Retrieve (and remove) the old object (if any) from the TSD. Returns 1
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * if successful ('*oldObjP' might be NULL), 0 otherwise ('*oldObjP'
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb * unchanged).
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb */
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbint
faa1795a28a5c712eed6d0a3f84d98c368a316c6jbretrieveOldObjForModify(entry_obj **oldObjP) {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb nisdb_tsd_t *tsd = __nisdb_get_tsd();
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
4163af6adeecee26a894ae83a4ffbd3d0f2ec8f2jose borrego if (tsd == 0 || oldObjP == 0)
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb return (0);
4163af6adeecee26a894ae83a4ffbd3d0f2ec8f2jose borrego
4163af6adeecee26a894ae83a4ffbd3d0f2ec8f2jose borrego if (tsd->doingModify) {
4163af6adeecee26a894ae83a4ffbd3d0f2ec8f2jose borrego *oldObjP = tsd->oldObj;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb tsd->oldObj = 0;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb } else {
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb *oldObjP = 0;
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb }
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb return (1);
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb}
faa1795a28a5c712eed6d0a3f84d98c368a316c6jb