mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-01-24 02:03:06 -05:00
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "ProcessStacksWidget.h"
|
|
#include <LibCore/CFile.h>
|
|
#include <LibCore/CTimer.h>
|
|
#include <LibGUI/GBoxLayout.h>
|
|
|
|
ProcessStacksWidget::ProcessStacksWidget(GWidget* parent)
|
|
: GWidget(parent)
|
|
{
|
|
set_layout(make<GVBoxLayout>());
|
|
layout()->set_margins({ 4, 4, 4, 4 });
|
|
m_stacks_editor = GTextEditor::construct(GTextEditor::Type::MultiLine, this);
|
|
m_stacks_editor->set_readonly(true);
|
|
|
|
m_timer = CTimer::construct(1000, [this] { refresh(); }, this);
|
|
}
|
|
|
|
ProcessStacksWidget::~ProcessStacksWidget()
|
|
{
|
|
}
|
|
|
|
void ProcessStacksWidget::set_pid(pid_t pid)
|
|
{
|
|
if (m_pid == pid)
|
|
return;
|
|
m_pid = pid;
|
|
refresh();
|
|
}
|
|
|
|
void ProcessStacksWidget::refresh()
|
|
{
|
|
auto file = CFile::construct(String::format("/proc/%d/stack", m_pid));
|
|
if (!file->open(CIODevice::ReadOnly)) {
|
|
m_stacks_editor->set_text(String::format("Unable to open %s", file->filename().characters()));
|
|
return;
|
|
}
|
|
|
|
m_stacks_editor->set_text(file->read_all());
|
|
}
|