--- a/src/lib/io/kprocess.cpp

+++ b/src/lib/io/kprocess.cpp

@@ -20,6 +20,11 @@

 #include <QFile>

+#include <QChar>

+#include <QSettings>

+#include <QRandomGenerator>

+#include <QFileInfo>

+

 /////////////////////////////

 // public member functions //

 /////////////////////////////

@@ -243,6 +248,50 @@ void KProcess::start()

 {

     Q_D(KProcess);

+    QSettings settings(QStringLiteral("kreslimit"));

+    QStringList sysd_arguments;

+    QString progname = QFileInfo(QProcess::program()).baseName();

+    sysd_arguments << QStringLiteral("--user");

+    sysd_arguments << QStringLiteral("--slice=kreslimit-%1").arg(progname);

+    sysd_arguments << QStringLiteral("--unit=%1-%2").arg(progname).arg(QRandomGenerator::global()->generate());

+    sysd_arguments << QStringLiteral("-t");

+    sysd_arguments << QStringLiteral("-p");

+

+    unsigned int all_memsize = settings.value(QStringLiteral("all_memsize"), QVariant(0)).toUInt();

+    bool all_enable = settings.value(QStringLiteral("all_enable"), false).toBool();

+

+    if(all_enable) {

+        sysd_arguments << QStringLiteral("MemoryHigh=%1M").arg(all_memsize);

+        sysd_arguments << QProcess::program();

+        sysd_arguments << QProcess::arguments();

+        QProcess::start(QStringLiteral("/bin/systemd-run"), sysd_arguments);

+        return;

+    }

+

+    QString apps = settings.value(QStringLiteral("applist"), QString()).toString();

+    if(apps.isEmpty() || apps.isNull()) {

+        QProcess::start(d->openMode);

+        return;

+    }

+

+    QStringList applist = apps.split(QChar::fromLatin1(','));

+    for (auto constIterator = applist.constBegin(); constIterator != applist.constEnd(); ++constIterator) {

+        const QString &rec = *constIterator;

+        if(rec.startsWith(QProcess::program())) {

+            QStringList res = rec.split(QChar::fromLatin1(';'));

+            if(res.size() != 2) {

+                continue;

+            }

+            if(QProcess::program() == res[0]) {

+                sysd_arguments << QStringLiteral("MemoryHigh=%1M").arg(res[1].toUInt());

+                sysd_arguments << QProcess::program();

+                sysd_arguments << QProcess::arguments();

+                QProcess::start(QStringLiteral("/bin/systemd-run"), sysd_arguments);

+                return;

+            }

+        }

+    }

+

     QProcess::start(d->openMode);

 }