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Code Issues Releases Wiki Activity

Support ondestroy notfication of databases.

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This commit is contained in:
James Brister 2000-02-10 16:09:01 +00:00
parent e32ccd2b77
commit d549c37348
4 changed files with 28 additions and 0 deletions
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10
lib/dns/db.c
View File

@ -25,6 +25,7 @@
#include <string.h>
#include <isc/assertions.h>
#include <isc/ondestroy.h>
#include <dns/db.h>
#include <dns/master.h>
@ -118,6 +119,15 @@ dns_db_detach(dns_db_t **dbp) {
ENSURE(*dbp == NULL);
}
isc_result_t
dns_db_ondestroy(dns_db_t *db, isc_task_t *task, isc_event_t **eventp)
{
REQUIRE(DNS_DB_VALID(db));
return (isc_ondestroy_register(&db->ondest, task, eventp));
}
isc_boolean_t
dns_db_iscache(dns_db_t *db) {

12
lib/dns/include/dns/db.h
View File

@ -164,6 +164,7 @@ struct dns_db {
isc_uint16_t attributes;
dns_rdataclass_t rdclass;
dns_name_t origin;
isc_ondestroy_t ondest;
isc_mem_t * mctx;
};
@ -267,6 +268,17 @@ dns_db_detach(dns_db_t **dbp);
* All resources used by the database will be freed
*/
isc_result_t
dns_db_ondestroy(dns_db_t *db, isc_task_t *task, isc_event_t **eventp);
/*
* Causes 'eventp' to be sent to be sent to 'task' when the database is
* destroyed.
*
* Note; ownrship of the eventp is taken from the caller (and *eventp is
* set to NULL). The sender field of the event is set to 'db' before it is
* sent to the task.
*/
isc_boolean_t
dns_db_iscache(dns_db_t *db);
/*

1
lib/dns/include/dns/events.h
View File

@ -45,6 +45,7 @@ ISC_LANG_BEGINDECLS
#define DNS_EVENT_CACHECLEAN (ISC_EVENTCLASS_DNS + 15)
#define DNS_EVENT_BYADDRDONE (ISC_EVENTCLASS_DNS + 16)
#define DNS_EVENT_ZONECONTROL (ISC_EVENTCLASS_DNS + 17)
#define DNS_EVENT_DBDESTROYED (ISC_EVENTCLASS_DNS + 18)
#define DNS_EVENT_FIRSTEVENT (ISC_EVENTCLASS_DNS + 0)
#define DNS_EVENT_LASTEVENT (ISC_EVENTCLASS_DNS + 65535)

5
lib/dns/rbtdb.c
View File

@ -313,6 +313,7 @@ static void
free_rbtdb(dns_rbtdb_t *rbtdb) {
unsigned int i;
isc_region_t r;
isc_ondestroy_t ondest;
REQUIRE(EMPTY(rbtdb->open_versions));
REQUIRE(rbtdb->future_version == NULL);
@ -332,7 +333,9 @@ free_rbtdb(dns_rbtdb_t *rbtdb) {
isc_mutex_destroy(&rbtdb->lock);
rbtdb->common.magic = 0;
rbtdb->common.impmagic = 0;
ondest = rbtdb->common.ondest;
isc_mem_put(rbtdb->common.mctx, rbtdb, sizeof *rbtdb);
isc_ondestroy_notify(&ondest, rbtdb);
}
static inline void
@ -3924,6 +3927,8 @@ dns_rbtdb_create
rbtdb->future_version = NULL;
ISC_LIST_INIT(rbtdb->open_versions);
isc_ondestroy_init(&rbtdb->common.ondest);
rbtdb->common.magic = DNS_DB_MAGIC;
rbtdb->common.impmagic = RBTDB_MAGIC;