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Squash a leak in LRU caches

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ridiculousfish 2012-02-17 14:54:58 -08:00
parent 3b56c58f00
commit 51da4856e2
4 changed files with 14 additions and 7 deletions
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2
history.cpp
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@ -625,6 +625,8 @@ void history_t::save_internal()
} }
} }
/* Make sure we clear all nodes, since this doesn't happen automatically */
lru.evict_all_nodes();
if( fclose( out ) || !ok ) if( fclose( out ) || !ok )
{ {

6
iothread.cpp
View file

@ -142,7 +142,7 @@ int iothread_perform_base(int (*handler)(void *), void (*completionCallback)(voi
iothread_init(); iothread_init();
/* Create and initialize a request. */ /* Create and initialize a request. */
struct ThreadedRequest_t *req = (struct ThreadedRequest_t *)malloc(sizeof *req); struct ThreadedRequest_t *req = new ThreadedRequest_t();
req->next = NULL; req->next = NULL;
req->handler = handler; req->handler = handler;
req->completionCallback = completionCallback; req->completionCallback = completionCallback;
@ -186,8 +186,10 @@ void iothread_service_completion(void) {
s_active_thread_count -= 1; s_active_thread_count -= 1;
/* Handle the request */ /* Handle the request */
if (req && req->completionCallback) { if (req) {
if (req->completionCallback)
req->completionCallback(req->context, req->handlerResult); req->completionCallback(req->context, req->handlerResult);
delete req;
} }
/* Maybe spawn another thread, if there's more work to be done. */ /* Maybe spawn another thread, if there's more work to be done. */

3
lru.h
View file

@ -101,6 +101,9 @@ class lru_cache_t {
mouth.prev = mouth.next = &mouth; mouth.prev = mouth.next = &mouth;
} }
/** Note that we do not define a destructor. We cannot evict all nodes (even though they typically need to be deleted by their creator). */
/** Returns the node for a given key, or NULL */ /** Returns the node for a given key, or NULL */
node_type_t *get_node(const wcstring &key) { node_type_t *get_node(const wcstring &key) {
node_type_t *result = NULL; node_type_t *result = NULL;