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Diffstat (limited to 'src/common/ers.c')
-rw-r--r--src/common/ers.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/src/common/ers.c b/src/common/ers.c
index 69b7609d6..22269a51f 100644
--- a/src/common/ers.c
+++ b/src/common/ers.c
@@ -84,6 +84,9 @@ typedef struct ers_cache
// Objects in-use count
unsigned int UsedObjs;
+ // Default = ERS_BLOCK_ENTRIES, can be adjusted for performance for individual cache sizes.
+ unsigned int ChunkSize;
+
// Linked list
struct ers_cache *Next, *Prev;
} ers_cache_t;
@@ -136,6 +139,7 @@ static ers_cache_t *ers_find_cache(unsigned int size)
cache->Used = 0;
cache->UsedObjs = 0;
cache->Max = 0;
+ cache->ChunkSize = ERS_BLOCK_ENTRIES;
if (CacheList == NULL)
{
@@ -200,10 +204,10 @@ static void *ers_obj_alloc_entry(ERS self)
RECREATE(instance->Cache->Blocks, unsigned char *, instance->Cache->Max);
}
- CREATE(instance->Cache->Blocks[instance->Cache->Used], unsigned char, instance->Cache->ObjectSize * ERS_BLOCK_ENTRIES);
+ CREATE(instance->Cache->Blocks[instance->Cache->Used], unsigned char, instance->Cache->ObjectSize * instance->Cache->ChunkSize);
instance->Cache->Used++;
- instance->Cache->Free = ERS_BLOCK_ENTRIES -1;
+ instance->Cache->Free = instance->Cache->ChunkSize -1;
ret = &instance->Cache->Blocks[instance->Cache->Used - 1][instance->Cache->Free * instance->Cache->ObjectSize + sizeof(struct ers_list)];
}
@@ -286,6 +290,18 @@ static void ers_obj_destroy(ERS self)
aFree(instance);
}
+void ers_cache_size(ERS self, unsigned int new_size) {
+ struct ers_instance_t *instance = (struct ers_instance_t *)self;
+
+ if (instance == NULL) {//change as per piotrhalaczkiewicz comment
+ ShowError("ers_cache_size: NULL object, skipping...\n");
+ return;
+ }
+
+ instance->Cache->ChunkSize = new_size;
+}
+
+
ERS ers_new(uint32 size, char *name, enum ERSOptions options)
{
struct ers_instance_t *instance;
@@ -299,6 +315,7 @@ ERS ers_new(uint32 size, char *name, enum ERSOptions options)
instance->VTable.free = ers_obj_free_entry;
instance->VTable.entry_size = ers_obj_entry_size;
instance->VTable.destroy = ers_obj_destroy;
+ instance->VTable.chunk_size = ers_cache_size;
instance->Name = ( options & ERS_OPT_FREE_NAME ) ? aStrdup(name) : name;
instance->Options = options;