llvm-project/lldb/tools/debugserver/source/DNBThreadResumeActions.cpp

89 lines
3.1 KiB
C++

//===-- DNBThreadResumeActions.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
//
//===----------------------------------------------------------------------===//
//
// Created by Greg Clayton on 03/13/2010
//
//===----------------------------------------------------------------------===//
#include "DNBThreadResumeActions.h"
DNBThreadResumeActions::DNBThreadResumeActions()
: m_actions(), m_signal_handled() {}
DNBThreadResumeActions::DNBThreadResumeActions(
const DNBThreadResumeAction *actions, size_t num_actions)
: m_actions(), m_signal_handled() {
if (actions && num_actions) {
m_actions.assign(actions, actions + num_actions);
m_signal_handled.assign(num_actions, false);
}
}
DNBThreadResumeActions::DNBThreadResumeActions(nub_state_t default_action,
int signal)
: m_actions(), m_signal_handled() {
SetDefaultThreadActionIfNeeded(default_action, signal);
}
void DNBThreadResumeActions::Append(const DNBThreadResumeAction &action) {
m_actions.push_back(action);
m_signal_handled.push_back(false);
}
void DNBThreadResumeActions::AppendAction(nub_thread_t tid, nub_state_t state,
int signal, nub_addr_t addr) {
DNBThreadResumeAction action = {tid, state, signal, addr};
Append(action);
}
const DNBThreadResumeAction *
DNBThreadResumeActions::GetActionForThread(nub_thread_t tid,
bool default_ok) const {
const size_t num_actions = m_actions.size();
for (size_t i = 0; i < num_actions; ++i) {
if (m_actions[i].tid == tid)
return &m_actions[i];
}
if (default_ok && tid != INVALID_NUB_THREAD)
return GetActionForThread(INVALID_NUB_THREAD, false);
return NULL;
}
size_t DNBThreadResumeActions::NumActionsWithState(nub_state_t state) const {
size_t count = 0;
const size_t num_actions = m_actions.size();
for (size_t i = 0; i < num_actions; ++i) {
if (m_actions[i].state == state)
++count;
}
return count;
}
bool DNBThreadResumeActions::SetDefaultThreadActionIfNeeded(nub_state_t action,
int signal) {
if (GetActionForThread(INVALID_NUB_THREAD, true) == NULL) {
// There isn't a default action so we do need to set it.
DNBThreadResumeAction default_action = {INVALID_NUB_THREAD, action, signal,
INVALID_NUB_ADDRESS};
m_actions.push_back(default_action);
m_signal_handled.push_back(false);
return true; // Return true as we did add the default action
}
return false;
}
void DNBThreadResumeActions::SetSignalHandledForThread(nub_thread_t tid) const {
if (tid != INVALID_NUB_THREAD) {
const size_t num_actions = m_actions.size();
for (size_t i = 0; i < num_actions; ++i) {
if (m_actions[i].tid == tid)
m_signal_handled[i] = true;
}
}
}