QueueItem.cpp
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//===-- QueueItem.cpp -------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Target/Queue.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/QueueItem.h"
#include "lldb/Target/SystemRuntime.h"
using namespace lldb;
using namespace lldb_private;
QueueItem::QueueItem(QueueSP queue_sp, ProcessSP process_sp,
lldb::addr_t item_ref, lldb_private::Address address)
: m_queue_wp(), m_process_wp(), m_item_ref(item_ref), m_address(address),
m_have_fetched_entire_item(false), m_kind(eQueueItemKindUnknown),
m_item_that_enqueued_this_ref(LLDB_INVALID_ADDRESS),
m_enqueueing_thread_id(LLDB_INVALID_THREAD_ID),
m_enqueueing_queue_id(LLDB_INVALID_QUEUE_ID),
m_target_queue_id(LLDB_INVALID_QUEUE_ID), m_stop_id(0), m_backtrace(),
m_thread_label(), m_queue_label(), m_target_queue_label() {
m_queue_wp = queue_sp;
m_process_wp = process_sp;
}
QueueItem::~QueueItem() {}
QueueItemKind QueueItem::GetKind() {
FetchEntireItem();
return m_kind;
}
void QueueItem::SetKind(QueueItemKind item_kind) { m_kind = item_kind; }
Address &QueueItem::GetAddress() { return m_address; }
void QueueItem::SetAddress(Address addr) { m_address = addr; }
ThreadSP QueueItem::GetExtendedBacktraceThread(ConstString type) {
FetchEntireItem();
ThreadSP return_thread;
QueueSP queue_sp = m_queue_wp.lock();
if (queue_sp) {
ProcessSP process_sp = queue_sp->GetProcess();
if (process_sp && process_sp->GetSystemRuntime()) {
return_thread =
process_sp->GetSystemRuntime()->GetExtendedBacktraceForQueueItem(
this->shared_from_this(), type);
}
}
return return_thread;
}
lldb::addr_t QueueItem::GetItemThatEnqueuedThis() {
FetchEntireItem();
return m_item_that_enqueued_this_ref;
}
lldb::tid_t QueueItem::GetEnqueueingThreadID() {
FetchEntireItem();
return m_enqueueing_thread_id;
}
lldb::queue_id_t QueueItem::GetEnqueueingQueueID() {
FetchEntireItem();
return m_enqueueing_queue_id;
}
uint32_t QueueItem::GetStopID() {
FetchEntireItem();
return m_stop_id;
}
std::vector<lldb::addr_t> &QueueItem::GetEnqueueingBacktrace() {
FetchEntireItem();
return m_backtrace;
}
std::string QueueItem::GetThreadLabel() {
FetchEntireItem();
return m_thread_label;
}
std::string QueueItem::GetQueueLabel() {
FetchEntireItem();
return m_queue_label;
}
ProcessSP QueueItem::GetProcessSP() { return m_process_wp.lock(); }
void QueueItem::FetchEntireItem() {
if (m_have_fetched_entire_item)
return;
ProcessSP process_sp = m_process_wp.lock();
if (process_sp) {
SystemRuntime *runtime = process_sp->GetSystemRuntime();
if (runtime) {
runtime->CompleteQueueItem(this, m_item_ref);
m_have_fetched_entire_item = true;
}
}
}