void removeBackRef(BackRefIdx backRefIdx)
{
MALLOC_ASSERT(!backRefIdx.isInvalid(), ASSERT_TEXT);
MALLOC_ASSERT(backRefIdx.getMaster()<=backRefMaster->lastUsed
&& backRefIdx.getOffset()<BR_MAX_CNT, ASSERT_TEXT);
BackRefBlock *currBlock = backRefMaster->backRefBl[backRefIdx.getMaster()];
FreeObject *freeObj = (FreeObject*)((uintptr_t)currBlock + sizeof(BackRefBlock)
+ backRefIdx.getOffset()*sizeof(void*));
MALLOC_ASSERT(((uintptr_t)freeObj>(uintptr_t)currBlock &&
(uintptr_t)freeObj<(uintptr_t)currBlock + slabSize), ASSERT_TEXT);
{
MallocMutex::scoped_lock lock(currBlock->blockMutex);
freeObj->next = currBlock->freeList;
MALLOC_ASSERT(!freeObj->next ||
((uintptr_t)freeObj->next > (uintptr_t)currBlock
&& (uintptr_t)freeObj->next <
(uintptr_t)currBlock + slabSize), ASSERT_TEXT);
currBlock->freeList = freeObj;
currBlock->allocatedCount--;
}
// TODO: do we need double-check here?
if (!currBlock->addedToForUse && currBlock!=backRefMaster->active) {
MallocMutex::scoped_lock lock(masterMutex);
if (!currBlock->addedToForUse && currBlock!=backRefMaster->active)
backRefMaster->addToForUseList(currBlock);
}
}
void setBackRef(BackRefIdx backRefIdx, void *newPtr)
{
MALLOC_ASSERT(backRefIdx.getMaster()<=backRefMaster->lastUsed && backRefIdx.getOffset()<BR_MAX_CNT,
ASSERT_TEXT);
*(void**)((uintptr_t)backRefMaster->backRefBl[backRefIdx.getMaster()]
+ sizeof(BackRefBlock) + backRefIdx.getOffset()*sizeof(void*)) = newPtr;
}
