/**
* Remove a block from the tree and returns it to the caller.
*/
DECLINLINE(PRTMEMBLOCK) rtmemBlockRemove(void *pv)
{
rtmemBlockLock();
PRTMEMBLOCK pBlock = (PRTMEMBLOCK)RTAvlPVRemove(&g_BlocksTree, pv);
rtmemBlockUnlock();
return pBlock;
}
/**
* Removes the thread from the AVL tree, call owns the tree lock
* and has cleared the RTTHREADINT_FLAG_IN_TREE bit.
*
* @param pThread The thread to remove.
*/
static void rtThreadRemoveLocked(PRTTHREADINT pThread)
{
PRTTHREADINT pThread2 = (PRTTHREADINT)RTAvlPVRemove(&g_ThreadTree, pThread->Core.Key);
#if !defined(RT_OS_OS2) /** @todo this asserts for threads created by NSPR */
AssertMsg(pThread2 == pThread, ("%p(%s) != %p (%p/%s)\n", pThread2, pThread2 ? pThread2->szName : "<null>",
pThread, pThread->Core.Key, pThread->szName));
#endif
NOREF(pThread2);
}
/**
* Delete an address space from the database.
*
* The address space must not be engaged as any of the standard aliases.
*
* @returns VBox status code.
* @retval VERR_SHARING_VIOLATION if in use as an alias.
* @retval VERR_NOT_FOUND if not found in the address space database.
*
* @param pUVM The user mode VM handle.
* @param hDbgAs The address space handle. Aliases are not allowed.
*/
VMMR3DECL(int) DBGFR3AsDelete(PUVM pUVM, RTDBGAS hDbgAs)
{
/*
* Input validation. Retain the address space so it can be released outside
* the lock as well as validated.
*/
UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
if (hDbgAs == NIL_RTDBGAS)
return VINF_SUCCESS;
uint32_t cRefs = RTDbgAsRetain(hDbgAs);
if (cRefs == UINT32_MAX)
return VERR_INVALID_HANDLE;
RTDbgAsRelease(hDbgAs);
DBGF_AS_DB_LOCK_WRITE(pUVM);
/*
* You cannot delete any of the aliases.
*/
for (size_t i = 0; i < RT_ELEMENTS(pUVM->dbgf.s.ahAsAliases); i++)
if (pUVM->dbgf.s.ahAsAliases[i] == hDbgAs)
{
DBGF_AS_DB_UNLOCK_WRITE(pUVM);
return VERR_SHARING_VIOLATION;
}
/*
* Ok, try remove it from the database.
*/
PDBGFASDBNODE pDbNode = (PDBGFASDBNODE)RTAvlPVRemove(&pUVM->dbgf.s.AsHandleTree, hDbgAs);
if (!pDbNode)
{
DBGF_AS_DB_UNLOCK_WRITE(pUVM);
return VERR_NOT_FOUND;
}
RTStrSpaceRemove(&pUVM->dbgf.s.AsNameSpace, pDbNode->NameCore.pszString);
if (pDbNode->PidCore.Key != NIL_RTPROCESS)
RTAvlU32Remove(&pUVM->dbgf.s.AsPidTree, pDbNode->PidCore.Key);
DBGF_AS_DB_UNLOCK_WRITE(pUVM);
/*
* Free the resources.
*/
RTDbgAsRelease(hDbgAs);
MMR3HeapFree(pDbNode);
return VINF_SUCCESS;
}
