/*
* Process all the callbacks waiting for lock
*
* If lock has failed, callback is executed with locked=false
*/
static void process_callbacks(struct lock_context *lock_ctx, bool locked)
{
struct lock_request *request, *next;
if (lock_ctx->auto_mark && locked) {
switch (lock_ctx->type) {
case LOCK_RECORD:
tdb_chainlock_mark(lock_ctx->ctdb_db->ltdb->tdb, lock_ctx->key);
break;
case LOCK_DB:
tdb_lockall_mark(lock_ctx->ctdb_db->ltdb->tdb);
break;
case LOCK_ALLDB_PRIO:
ctdb_lockall_mark_prio(lock_ctx->ctdb, lock_ctx->priority);
break;
case LOCK_ALLDB:
ctdb_lockall_mark(lock_ctx->ctdb);
break;
}
}
/* Iterate through all callbacks */
request = lock_ctx->req_queue;
while (request) {
if (lock_ctx->auto_mark) {
/* Reset the destructor, so request is not removed from the list */
talloc_set_destructor(request, NULL);
}
/* In case, callback frees the request, store next */
next = request->next;
request->callback(request->private_data, locked);
request = next;
}
if (lock_ctx->auto_mark && locked) {
switch (lock_ctx->type) {
case LOCK_RECORD:
tdb_chainlock_unmark(lock_ctx->ctdb_db->ltdb->tdb, lock_ctx->key);
break;
case LOCK_DB:
tdb_lockall_unmark(lock_ctx->ctdb_db->ltdb->tdb);
break;
case LOCK_ALLDB_PRIO:
ctdb_lockall_unmark_prio(lock_ctx->ctdb, lock_ctx->priority);
break;
case LOCK_ALLDB:
ctdb_lockall_unmark(lock_ctx->ctdb);
break;
}
}
}
/*
* lock all databases - unmark only
*/
static int db_lock_unmark_handler(struct ctdb_db_context *ctdb_db,
void *private_data)
{
int tdb_transaction_write_lock_unmark(struct tdb_context *);
DEBUG(DEBUG_INFO, ("unmarking locked database %s\n", ctdb_db->db_name));
if (tdb_transaction_write_lock_unmark(ctdb_db->ltdb->tdb) != 0) {
DEBUG(DEBUG_ERR, ("Failed to unmark (transaction lock) database %s\n",
ctdb_db->db_name));
return -1;
}
if (tdb_lockall_unmark(ctdb_db->ltdb->tdb) != 0) {
DEBUG(DEBUG_ERR, ("Failed to unmark (all lock) database %s\n",
ctdb_db->db_name));
return -1;
}
return 0;
}
