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(trunk libT) keep a pool of reusable tr_list nodes

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Jordan Lee 2011-04-05 00:56:56 +00:00
parent 1e0f92ba78
commit e0f6ade71e
1 changed files with 18 additions and 2 deletions
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20
libtransmission/list.c
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@ -14,16 +14,32 @@
#include "list.h" #include "list.h"
#include "utils.h" #include "utils.h"
static const tr_list TR_LIST_CLEAR = { NULL, NULL, NULL };
static tr_list * recycled_nodes = NULL;
static tr_list* static tr_list*
node_alloc( void ) node_alloc( void )
{ {
return tr_new0( tr_list, 1 ); tr_list * ret;
if( recycled_nodes == NULL )
ret = tr_new( tr_list, 1 );
else {
ret = recycled_nodes;
recycled_nodes = recycled_nodes->next;
}
*ret = TR_LIST_CLEAR;
return ret;
} }
static void static void
node_free( tr_list* node ) node_free( tr_list* node )
{ {
tr_free( node ); *node = TR_LIST_CLEAR;
node->next = recycled_nodes;
recycled_nodes = node;
} }
/*** /***