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//===-- Progress.cpp ------------------------------------------------------===//
//
// 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/Core/Progress.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
std::atomic<uint64_t> Progress::g_id(0);
Progress::Progress(std::string title, uint64_t total,
lldb_private::Debugger *debugger)
: m_title(title), m_id(++g_id), m_completed(0), m_total(total) {
assert(total > 0);
if (debugger)
m_debugger_id = debugger->GetID();
std::lock_guard<std::mutex> guard(m_mutex);
ReportProgress();
}
Progress::~Progress() {
// Make sure to always report progress completed when this object is
// destructed so it indicates the progress dialog/activity should go away.
std::lock_guard<std::mutex> guard(m_mutex);
if (!m_completed) {
m_completed = m_total;
ReportProgress();
}
}
void Progress::Increment(uint64_t amount) {
if (amount > 0) {
std::lock_guard<std::mutex> guard(m_mutex);
// Watch out for unsigned overflow and make sure we don't increment too
// much and exceed m_total.
if (amount > (m_total - m_completed))
m_completed = m_total;
else
m_completed += amount;
ReportProgress();
}
}
void Progress::ReportProgress() {
if (!m_complete) {
// Make sure we only send one notification that indicates the progress is
// complete.
m_complete = m_completed == m_total;
Debugger::ReportProgress(m_id, m_title, m_completed, m_total,
m_debugger_id);
}
}
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