Add kwin full source tree, greeter login, zsh, pcid service, and build system improvements

2026-04-26 22:31:07 +01:00
parent d4a6b356eb
commit 70a84cefee
3416 changed files with 1360518 additions and 10522 deletions
@@ -0,0 +1,71 @@
+/*
+    KWin - the KDE window manager
+    This file is part of the KDE project.
+
+    SPDX-FileCopyrightText: 2022 MBition GmbH
+    SPDX-FileContributor: Kai Uwe Broulik <kai_uwe.broulik@mbition.io>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+
+#include <config-kwin.h>
+
+#include <sys/mman.h>
+#include <unistd.h>
+
+#include "utils/ramfile.h"
+
+#include <QTest>
+
+using namespace KWin;
+
+class TestUtils : public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+    void testRamFile();
+    void testSealedRamFile();
+};
+
+static const QByteArray s_testByteArray = QByteArrayLiteral("Test Data \0\1\2\3");
+static const char s_writeTestArray[] = "test";
+
+void TestUtils::testRamFile()
+{
+    KWin::RamFile file("test", s_testByteArray.constData(), s_testByteArray.size());
+    QVERIFY(file.isValid());
+    QCOMPARE(file.size(), s_testByteArray.size());
+
+    QVERIFY(file.fd() != -1);
+
+    char buf[20];
+    int num = read(file.fd(), buf, sizeof buf);
+    QCOMPARE(num, file.size());
+
+    QCOMPARE(qstrcmp(s_testByteArray.constData(), buf), 0);
+}
+
+void TestUtils::testSealedRamFile()
+{
+#if HAVE_MEMFD
+    KWin::RamFile file("test", s_testByteArray.constData(), s_testByteArray.size(), KWin::RamFile::Flag::SealWrite);
+    QVERIFY(file.isValid());
+    QVERIFY(file.effectiveFlags().testFlag(KWin::RamFile::Flag::SealWrite));
+
+    // Writing should not work.
+    auto written = write(file.fd(), s_writeTestArray, strlen(s_writeTestArray));
+    QCOMPARE(written, -1);
+
+    // Cannot use MAP_SHARED on sealed file descriptor.
+    void *data = mmap(nullptr, file.size(), PROT_WRITE, MAP_SHARED, file.fd(), 0);
+    QCOMPARE(data, MAP_FAILED);
+
+    data = mmap(nullptr, file.size(), PROT_WRITE, MAP_PRIVATE, file.fd(), 0);
+    QVERIFY(data != MAP_FAILED);
+#else
+    QSKIP("Sealing requires memfd suport.");
+#endif
+}
+
+QTEST_MAIN(TestUtils)
+#include "test_utils.moc"