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HackStudio: Show the slave pty's PGID in the ProcessStateWidget

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This is the closest I could figure out how to get to what's actively
running on the terminal view at the moment.

Perhaps we can bundle up every process with the same tty and sum it
all up somehow. I'm not sure.
This commit is contained in:
Andreas Kling 2019-10-24 20:56:13 +02:00
parent ef64e26317
commit bced810880
3 changed files with 12 additions and 9 deletions
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13
DevTools/HackStudio/ProcessStateWidget.cpp
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@ -3,6 +3,7 @@
#include <LibCore/CTimer.h>
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GLabel.h>
#include <unistd.h>
ProcessStateWidget::ProcessStateWidget(GWidget* parent)
: GWidget(parent)
@ -40,7 +41,7 @@ ProcessStateWidget::~ProcessStateWidget()
void ProcessStateWidget::refresh()
{
if (m_pid == -1) {
if (m_tty_fd == -1) {
m_pid_label->set_text("(none)");
m_state_label->set_text("n/a");
m_cpu_label->set_text("n/a");
@ -48,8 +49,10 @@ void ProcessStateWidget::refresh()
return;
}
pid_t pid = tcgetpgrp(m_tty_fd);
auto processes = CProcessStatisticsReader::get_all();
auto child_process_data = processes.get(m_pid);
auto child_process_data = processes.get(pid);
if (!child_process_data.has_value())
return;
@ -58,14 +61,14 @@ void ProcessStateWidget::refresh()
auto& data = active_process_data.value();
m_pid_label->set_text(String::format("%s(%d)", data.name.characters(), m_pid));
m_pid_label->set_text(String::format("%s(%d)", data.name.characters(), pid));
m_state_label->set_text(data.state);
m_cpu_label->set_text(String::format("%d", data.times_scheduled));
m_memory_label->set_text(String::format("%d", data.amount_resident));
}
void ProcessStateWidget::set_pid(pid_t pid)
void ProcessStateWidget::set_tty_fd(int tty_fd)
{
m_pid = pid;
m_tty_fd = tty_fd;
refresh();
}