static int
cache_entry_private_init( Entry*e )
{
-#ifdef LDAP_DEBUG
assert( e->e_private == NULL );
-#endif
if( e->e_private != NULL ) {
/* this should never happen */
static int
cache_entry_private_destroy( Entry*e )
{
-#ifdef LDAP_DEBUG
assert( e->e_private );
-#endif
cache_entry_rdwr_destroy( e );
void
cache_return_entry_rw( struct cache *cache, Entry *e, int rw )
{
+ ID id;
+ int refcnt;
+
/* set cache mutex */
ldap_pvt_thread_mutex_lock( &cache->c_mutex );
-#ifdef LDAP_DEBUG
assert( e->e_private );
-#endif
cache_entry_rdwr_unlock(e, rw);
- LEI(e)->lei_refcnt--;
+ id = e->e_id;
+ refcnt = --LEI(e)->lei_refcnt;
if ( LEI(e)->lei_state == CACHE_ENTRY_CREATING ) {
+ LEI(e)->lei_state = CACHE_ENTRY_READY;
+
+ /* free cache mutex */
+ ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
+
Debug( LDAP_DEBUG_TRACE,
"====> cache_return_entry_%s( %ld ): created (%d)\n",
- rw ? "w" : "r", e->e_id, LEI(e)->lei_refcnt );
-
- LEI(e)->lei_state = CACHE_ENTRY_READY;
+ rw ? "w" : "r", id, refcnt );
} else if ( LEI(e)->lei_state == CACHE_ENTRY_DELETED ) {
- if( LEI(e)->lei_refcnt > 0 ) {
+ if( refcnt > 0 ) {
+ /* free cache mutex */
+ ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
+
Debug( LDAP_DEBUG_TRACE,
"====> cache_return_entry_%s( %ld ): delete pending (%d)\n",
- rw ? "w" : "r", e->e_id, LEI(e)->lei_refcnt );
+ rw ? "w" : "r", id, refcnt );
} else {
- Debug( LDAP_DEBUG_TRACE,
- "====> cache_return_entry_%s( %ld ): deleted (%d)\n",
- rw ? "w" : "r", e->e_id, LEI(e)->lei_refcnt );
-
cache_entry_private_destroy( e );
entry_free( e );
+
+ /* free cache mutex */
+ ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
+
+ Debug( LDAP_DEBUG_TRACE,
+ "====> cache_return_entry_%s( %ld ): deleted (%d)\n",
+ rw ? "w" : "r", id, refcnt );
}
} else {
+ /* free cache mutex */
+ ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
+
Debug( LDAP_DEBUG_TRACE,
"====> cache_return_entry_%s( %ld ): returned (%d)\n",
- rw ? "w" : "r", e->e_id, LEI(e)->lei_refcnt);
+ rw ? "w" : "r", id, refcnt);
}
-
-
- /* free cache mutex */
- ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
}
-#define LRU_DELETE( cache, e ) { \
+#define LRU_DELETE( cache, e ) do { \
if ( LEI(e)->lei_lruprev != NULL ) { \
LEI(LEI(e)->lei_lruprev)->lei_lrunext = LEI(e)->lei_lrunext; \
} else { \
- cache->c_lruhead = LEI(e)->lei_lrunext; \
+ (cache)->c_lruhead = LEI(e)->lei_lrunext; \
} \
if ( LEI(e)->lei_lrunext != NULL ) { \
LEI(LEI(e)->lei_lrunext)->lei_lruprev = LEI(e)->lei_lruprev; \
} else { \
- cache->c_lrutail = LEI(e)->lei_lruprev; \
+ (cache)->c_lrutail = LEI(e)->lei_lruprev; \
} \
-}
+} while(0)
-#define LRU_ADD( cache, e ) { \
- LEI(e)->lei_lrunext = cache->c_lruhead; \
+#define LRU_ADD( cache, e ) do { \
+ LEI(e)->lei_lrunext = (cache)->c_lruhead; \
if ( LEI(e)->lei_lrunext != NULL ) { \
- LEI(LEI(e)->lei_lrunext)->lei_lruprev = e; \
+ LEI(LEI(e)->lei_lrunext)->lei_lruprev = (e); \
} \
- cache->c_lruhead = e; \
+ (cache)->c_lruhead = (e); \
LEI(e)->lei_lruprev = NULL; \
- if ( cache->c_lrutail == NULL ) { \
- cache->c_lrutail = e; \
+ if ( (cache)->c_lrutail == NULL ) { \
+ (cache)->c_lrutail = (e); \
} \
-}
+} while(0)
/*
* cache_add_entry_rw - create and lock an entry in the cache
/* set cache mutex */
ldap_pvt_thread_mutex_lock( &cache->c_mutex );
-#ifdef LDAP_DEBUG
assert( e->e_private == NULL );
-#endif
if( cache_entry_private_init(e) != 0 ) {
+ /* free cache mutex */
+ ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
+
Debug( LDAP_DEBUG_ANY,
"====> cache_add_entry( %ld ): \"%s\": private init failed!\n",
e->e_id, e->e_dn, 0 );
+
return( -1 );
}
if ( avl_insert( &cache->c_dntree, (caddr_t) e,
(AVL_CMP) entry_dn_cmp, avl_dup_error ) != 0 )
{
+ /* free cache mutex */
+ ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
+
Debug( LDAP_DEBUG_TRACE,
"====> cache_add_entry( %ld ): \"%s\": already in dn cache\n",
e->e_id, e->e_dn, 0 );
cache_entry_private_destroy(e);
- /* free cache mutex */
- ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
return( 1 );
}
/* set cache mutex */
ldap_pvt_thread_mutex_lock( &cache->c_mutex );
-#ifdef LDAP_DEBUG
assert( e->e_private );
-#endif
if ( avl_insert( &cache->c_dntree, (caddr_t) e,
(AVL_CMP) entry_dn_cmp, avl_dup_error ) != 0 )
if ( (ep = (Entry *) avl_find( cache->c_dntree, (caddr_t) &e,
(AVL_CMP) entry_dn_cmp )) != NULL )
{
- id = ep->e_id;
+ int state;
count++;
/*
assert( ep->e_private );
+ /* save id */
+ id = ep->e_id;
+ state = LEI(ep)->lei_state;
+
/*
* entry is deleted or not fully created yet
*/
- if ( LEI(ep)->lei_state != CACHE_ENTRY_READY ) {
- int state = LEI(ep)->lei_state;
-
+ if ( state != CACHE_ENTRY_READY ) {
assert(state != CACHE_ENTRY_UNDEFINED);
/* free cache mutex */
dn, id, state);
ldap_pvt_thread_yield();
-
goto try_again;
}
LRU_DELETE( cache, ep );
LRU_ADD( cache, ep );
- /* save id */
- id = ep->e_id;
-
/* free cache mutex */
ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
if ( (ep = (Entry *) avl_find( cache->c_idtree, (caddr_t) &e,
(AVL_CMP) entry_id_cmp )) != NULL )
{
- int state = LEI(ep)->lei_state;
+ int state;
+ ID ep_id;
+
count++;
-#ifdef LDAP_DEBUG
assert( ep->e_private );
-#endif
+
+ ep_id = ep->e_id;
+ state = LEI(ep)->lei_state;
+
/*
* entry is deleted or not fully created yet
*/
if ( state != CACHE_ENTRY_READY ) {
- ID ep_id = ep->e_id;
-#ifdef LDAP_DEBUG
assert(state != CACHE_ENTRY_UNDEFINED);
-#endif
/* free cache mutex */
ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
/* free cache mutex */
ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
+
+ Debug(LDAP_DEBUG_TRACE,
+ "====> cache_find_entry_id( %ld ): %ld (busy) %d\n",
+ id, ep_id, state);
+
ldap_pvt_thread_yield();
goto try_again;
}
Debug(LDAP_DEBUG_TRACE,
"====> cache_find_entry_id( %ld ) \"%s\" (found) (%d tries)\n",
- id, ep->e_dn, count);
+ ep_id, ep->e_dn, count);
return( ep );
}
/* set cache mutex */
ldap_pvt_thread_mutex_lock( &cache->c_mutex );
-#ifdef LDAP_DEBUG
assert( e->e_private );
-#endif
Debug( LDAP_DEBUG_TRACE, "====> cache_delete_entry( %ld )\n",
e->e_id, 0, 0 );
Debug( LDAP_DEBUG_TRACE, "====> cache_release_all\n", 0, 0, 0 );
while ( (e = cache->c_lrutail) != NULL && LEI(e)->lei_refcnt == 0 ) {
-#ifdef LDAP_DEBUG
assert(!ldap_pvt_thread_rdwr_active(&LEI(e)->lei_rdwr));
-#endif
+
/* delete from cache and lru q */
/* XXX do we need rc ? */
rc = cache_delete_entry_internal( cache, e );
entry_free( e );
}
- if ( cache->c_cursize )
+ if ( cache->c_cursize ) {
Debug( LDAP_DEBUG_TRACE, "Entry-cache could not be emptied\n", 0, 0, 0 );
+ }
/* free cache mutex */
ldap_pvt_thread_mutex_unlock( &cache->c_mutex );