diff options
Diffstat (limited to 'contrib/bind9/lib/dns/lib.c')
| -rw-r--r-- | contrib/bind9/lib/dns/lib.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/contrib/bind9/lib/dns/lib.c b/contrib/bind9/lib/dns/lib.c deleted file mode 100644 index df16fa2..0000000 --- a/contrib/bind9/lib/dns/lib.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 1999-2001 Internet Software Consortium. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: lib.c,v 1.19 2009/09/03 00:12:23 each Exp $ */ - -/*! \file */ - -#include <config.h> - -#include <stddef.h> - -#include <isc/hash.h> -#include <isc/mem.h> -#include <isc/msgcat.h> -#include <isc/mutex.h> -#include <isc/once.h> -#include <isc/util.h> - -#include <dns/db.h> -#include <dns/ecdb.h> -#include <dns/lib.h> -#include <dns/result.h> - -#include <dst/dst.h> - - -/*** - *** Globals - ***/ - -LIBDNS_EXTERNAL_DATA unsigned int dns_pps = 0U; -LIBDNS_EXTERNAL_DATA isc_msgcat_t * dns_msgcat = NULL; - - -/*** - *** Private - ***/ - -static isc_once_t msgcat_once = ISC_ONCE_INIT; - - -/*** - *** Functions - ***/ - -static void -open_msgcat(void) { - isc_msgcat_open("libdns.cat", &dns_msgcat); -} - -void -dns_lib_initmsgcat(void) { - - /* - * Initialize the DNS library's message catalog, dns_msgcat, if it - * has not already been initialized. - */ - - RUNTIME_CHECK(isc_once_do(&msgcat_once, open_msgcat) == ISC_R_SUCCESS); -} - -static isc_once_t init_once = ISC_ONCE_INIT; -static isc_mem_t *dns_g_mctx = NULL; -#ifndef BIND9 -static dns_dbimplementation_t *dbimp = NULL; -#endif -static isc_boolean_t initialize_done = ISC_FALSE; -static isc_mutex_t reflock; -static unsigned int references = 0; - -static void -initialize(void) { - isc_result_t result; - - REQUIRE(initialize_done == ISC_FALSE); - - result = isc_mem_create(0, 0, &dns_g_mctx); - if (result != ISC_R_SUCCESS) - return; - dns_result_register(); -#ifndef BIND9 - result = dns_ecdb_register(dns_g_mctx, &dbimp); - if (result != ISC_R_SUCCESS) - goto cleanup_mctx; -#endif - result = isc_hash_create(dns_g_mctx, NULL, DNS_NAME_MAXWIRE); - if (result != ISC_R_SUCCESS) - goto cleanup_db; - - result = dst_lib_init(dns_g_mctx, NULL, 0); - if (result != ISC_R_SUCCESS) - goto cleanup_hash; - - result = isc_mutex_init(&reflock); - if (result != ISC_R_SUCCESS) - goto cleanup_dst; - - initialize_done = ISC_TRUE; - return; - - cleanup_dst: - dst_lib_destroy(); - cleanup_hash: - isc_hash_destroy(); - cleanup_db: -#ifndef BIND9 - dns_ecdb_unregister(&dbimp); - cleanup_mctx: -#endif - isc_mem_detach(&dns_g_mctx); -} - -isc_result_t -dns_lib_init(void) { - isc_result_t result; - - /* - * Since this routine is expected to be used by a normal application, - * it should be better to return an error, instead of an emergency - * abort, on any failure. - */ - result = isc_once_do(&init_once, initialize); - if (result != ISC_R_SUCCESS) - return (result); - - if (!initialize_done) - return (ISC_R_FAILURE); - - LOCK(&reflock); - references++; - UNLOCK(&reflock); - - return (ISC_R_SUCCESS); -} - -void -dns_lib_shutdown(void) { - isc_boolean_t cleanup_ok = ISC_FALSE; - - LOCK(&reflock); - if (--references == 0) - cleanup_ok = ISC_TRUE; - UNLOCK(&reflock); - - if (!cleanup_ok) - return; - - dst_lib_destroy(); - isc_hash_destroy(); -#ifndef BIND9 - dns_ecdb_unregister(&dbimp); -#endif - isc_mem_detach(&dns_g_mctx); -} |
