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plasma: kill runner optimization

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by calling kill() function instead of spawning a process

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2024-05-31 04:28:56 +03:00
parent bcb99e3eff
commit 8fb86d0a8c
2 changed files with 17 additions and 27 deletions
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31
plasma/runners/kill/killrunner.cpp
View file

@ -20,7 +20,6 @@
#include "killrunner.h"
#include <QAction>
#include <QProcess>
#include <KDebug>
#include <KIcon>
#include <KUser>
@ -36,10 +35,6 @@ KillRunner::KillRunner(QObject *parent, const QVariantList& args)
reloadConfiguration();
}
KillRunner::~KillRunner()
{
}
void KillRunner::reloadConfiguration()
{
#warning TODO: untranslated keyword match, why is it even translated when it is configurable?
@ -106,16 +101,19 @@ void KillRunner::match(Plasma::RunnerContext &context)
// Set the relevance
switch (m_sorting) {
case KillRunnerSort::CPU:
case KillRunnerSort::CPU: {
match.setRelevance((process->userUsage + process->sysUsage) / 100);
break;
case KillRunnerSort::CPUI:
}
case KillRunnerSort::CPUI: {
match.setRelevance(1 - (process->userUsage + process->sysUsage) / 100);
break;
case KillRunnerSort::NONE:
}
case KillRunnerSort::NONE: {
match.setRelevance(name.compare(term, Qt::CaseInsensitive) == 0 ? 1 : 9);
break;
}
}
matches << match;
}
@ -127,28 +125,21 @@ void KillRunner::match(Plasma::RunnerContext &context)
void KillRunner::run(const Plasma::QueryMatch &match)
{
const quint64 pid = match.data().toULongLong();
int signal = SIGKILL;
int sig = SIGKILL;
if (match.selectedAction() != NULL) {
signal = match.selectedAction()->data().toInt();
sig = match.selectedAction()->data().toInt();
}
QStringList args;
args << QString("-%1").arg(signal) << QString::number(pid);
QProcess killproc(this);
killproc.start("kill", args);
if (!killproc.waitForFinished() || killproc.exitCode() != 0) {
const QString errorstring = QString::fromLocal8Bit(killproc.readAllStandardError());
KMessageBox::error(nullptr, errorstring);
if (::kill(pid, sig) == -1) {
const int savederrno = errno;
KMessageBox::error(nullptr, qt_error_string(savederrno));
}
}
QList<QAction*> KillRunner::actionsForMatch(const Plasma::QueryMatch &match)
{
Q_UNUSED(match)
QList<QAction*> ret;
if (!action("SIGTERM")) {
QAction* action = addAction("SIGTERM", KIcon("application-exit"), i18n("Send SIGTERM"));
action->setData(int(SIGTERM));

1
plasma/runners/kill/killrunner.h
View file

@ -33,7 +33,6 @@ class KillRunner : public Plasma::AbstractRunner
public:
KillRunner(QObject *parent, const QVariantList& args);
~KillRunner();
void match(Plasma::RunnerContext &context);
void run(const Plasma::QueryMatch &match);