Cache queue locking in credential manager corrected.
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47e98cda5f
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01e606546c
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@ -17,6 +17,7 @@
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#include <daemon.h>
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#include <threading/thread_value.h>
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#include <threading/mutex.h>
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#include <threading/rwlock.h>
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#include <utils/linked_list.h>
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#include <credentials/sets/cert_cache.h>
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@ -63,6 +64,11 @@ struct private_credential_manager_t {
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* read-write lock to sets list
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*/
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rwlock_t *lock;
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/**
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* mutex for cache queue
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*/
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mutex_t *queue_mutex;
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};
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/** data to pass to create_private_enumerator */
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@ -414,13 +420,14 @@ static void cache_cert(private_credential_manager_t *this, certificate_t *cert)
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set->cache_cert(set, cert);
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}
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enumerator->destroy(enumerator);
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this->lock->unlock(this->lock);
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}
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else
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{ /* we can't cache now as other threads are active, queue for later */
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this->lock->read_lock(this->lock);
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this->queue_mutex->lock(this->queue_mutex);
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this->cache_queue->insert_last(this->cache_queue, cert->get_ref(cert));
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this->queue_mutex->unlock(this->queue_mutex);
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}
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this->lock->unlock(this->lock);
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}
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/**
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@ -432,6 +439,7 @@ static void cache_queue(private_credential_manager_t *this)
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certificate_t *cert;
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enumerator_t *enumerator;
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this->queue_mutex->lock(this->queue_mutex);
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if (this->cache_queue->get_count(this->cache_queue) > 0 &&
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this->lock->try_write_lock(this->lock))
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{
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@ -448,6 +456,7 @@ static void cache_queue(private_credential_manager_t *this)
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}
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this->lock->unlock(this->lock);
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}
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this->queue_mutex->unlock(this->queue_mutex);
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}
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/**
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@ -1635,6 +1644,7 @@ static void destroy(private_credential_manager_t *this)
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this->local_sets->destroy(this->local_sets);
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this->cache->destroy(this->cache);
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this->lock->destroy(this->lock);
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this->queue_mutex->destroy(this->queue_mutex);
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free(this);
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}
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@ -1664,6 +1674,7 @@ credential_manager_t *credential_manager_create()
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this->cache_queue = linked_list_create();
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this->sets->insert_first(this->sets, this->cache);
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this->lock = rwlock_create(RWLOCK_TYPE_DEFAULT);
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this->queue_mutex = mutex_create(MUTEX_TYPE_DEFAULT);
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return &this->public;
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}
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