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Diffstat (limited to 'tests/auto/corelib/thread/qreadwritelock/tst_qreadwritelock.cpp')
-rw-r--r--tests/auto/corelib/thread/qreadwritelock/tst_qreadwritelock.cpp266
1 files changed, 115 insertions, 151 deletions
diff --git a/tests/auto/corelib/thread/qreadwritelock/tst_qreadwritelock.cpp b/tests/auto/corelib/thread/qreadwritelock/tst_qreadwritelock.cpp
index ca282e2723..86dfa5faff 100644
--- a/tests/auto/corelib/thread/qreadwritelock/tst_qreadwritelock.cpp
+++ b/tests/auto/corelib/thread/qreadwritelock/tst_qreadwritelock.cpp
@@ -1,30 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the test suite of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:GPL-EXCEPT$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QTest>
#include <QSemaphore>
@@ -34,14 +9,12 @@
#include <qmutex.h>
#include <qthread.h>
#include <qwaitcondition.h>
+#include <private/qemulationdetector_p.h>
+#include <private/qvolatile_p.h>
#ifdef Q_OS_UNIX
#include <unistd.h>
#endif
-#if defined(Q_OS_WIN)
-# include <qt_windows.h>
-# define sleep(X) Sleep(X)
-#endif
//on solaris, threads that loop on the release bool variable
//needs to sleep more than 1 usec.
@@ -53,6 +26,8 @@
#include <stdio.h>
+using namespace std::chrono_literals;
+
class tst_QReadWriteLock : public QObject
{
Q_OBJECT
@@ -495,8 +470,8 @@ class ReadLockLoopThread : public QThread
public:
QReadWriteLock &testRwlock;
int runTime;
- int holdTime;
- int waitTime;
+ std::chrono::milliseconds holdTime;
+ std::chrono::milliseconds waitTime;
bool print;
QElapsedTimer t;
inline ReadLockLoopThread(QReadWriteLock &l, int runTime, int holdTime=0, int waitTime=0, bool print=false)
@@ -512,9 +487,9 @@ public:
while (t.elapsed()<runTime) {
testRwlock.lockForRead();
if(print) printf("reading\n");
- if (holdTime) msleep(ulong(holdTime));
+ if (holdTime > 0ms) sleep(holdTime);
testRwlock.unlock();
- if (waitTime) msleep(ulong(waitTime));
+ if (waitTime > 0ms) sleep(waitTime);
}
}
};
@@ -531,8 +506,8 @@ class WriteLockLoopThread : public QThread
public:
QReadWriteLock &testRwlock;
int runTime;
- int holdTime;
- int waitTime;
+ std::chrono::milliseconds holdTime;
+ std::chrono::milliseconds waitTime;
bool print;
QElapsedTimer t;
inline WriteLockLoopThread(QReadWriteLock &l, int runTime, int holdTime=0, int waitTime=0, bool print=false)
@@ -548,9 +523,9 @@ public:
while (t.elapsed() < runTime) {
testRwlock.lockForWrite();
if (print) printf(".");
- if (holdTime) msleep(ulong(holdTime));
+ if (holdTime > 0ms) sleep(holdTime);
testRwlock.unlock();
- if (waitTime) msleep(ulong(waitTime));
+ if (waitTime > 0ms) sleep(waitTime);
}
}
};
@@ -570,7 +545,7 @@ class WriteLockCountThread : public QThread
public:
QReadWriteLock &testRwlock;
int runTime;
- int waitTime;
+ std::chrono::milliseconds waitTime;
int maxval;
QElapsedTimer t;
inline WriteLockCountThread(QReadWriteLock &l, int runTime, int waitTime, int maxval)
@@ -587,15 +562,11 @@ public:
if(count)
qFatal("Non-zero count at start of write! (%d)",count );
// printf(".");
- int i;
- for(i=0; i<maxval; ++i) {
- volatile int lc=count;
- ++lc;
- count=lc;
- }
+ for (int i = 0; i < maxval; ++i)
+ QtPrivate::volatilePreIncrement(count);
count=0;
testRwlock.unlock();
- msleep(ulong(waitTime));
+ sleep(waitTime);
}
}
};
@@ -612,7 +583,7 @@ class ReadLockCountThread : public QThread
public:
QReadWriteLock &testRwlock;
int runTime;
- int waitTime;
+ std::chrono::milliseconds waitTime;
QElapsedTimer t;
inline ReadLockCountThread(QReadWriteLock &l, int runTime, int waitTime)
:testRwlock(l)
@@ -627,7 +598,7 @@ public:
if(count)
qFatal("Non-zero count at Read! (%d)",count );
testRwlock.unlock();
- msleep(ulong(waitTime));
+ sleep(waitTime);
}
}
};
@@ -644,7 +615,7 @@ void tst_QReadWriteLock::readLockBlockRelease()
threadDone=false;
ReadLockThread rlt(testLock);
rlt.start();
- sleep(1);
+ QThread::sleep(1s);
testLock.unlock();
rlt.wait();
QVERIFY(threadDone);
@@ -661,7 +632,7 @@ void tst_QReadWriteLock::writeLockBlockRelease()
threadDone=false;
WriteLockThread wlt(testLock);
wlt.start();
- sleep(1);
+ QThread::sleep(1s);
testLock.unlock();
wlt.wait();
QVERIFY(threadDone);
@@ -680,10 +651,10 @@ void tst_QReadWriteLock::multipleReadersBlockRelease()
ReadLockReleasableThread rlt2(testLock);
rlt1.start();
rlt2.start();
- sleep(1);
+ QThread::sleep(1s);
WriteLockThread wlt(testLock);
wlt.start();
- sleep(1);
+ QThread::sleep(1s);
release.storeRelaxed(true);
wlt.wait();
rlt1.wait();
@@ -696,27 +667,29 @@ void tst_QReadWriteLock::multipleReadersBlockRelease()
*/
void tst_QReadWriteLock::multipleReadersLoop()
{
- int time=500;
- int hold=250;
- int wait=0;
+ if (QTestPrivate::isRunningArmOnX86())
+ QSKIP("Flaky on QEMU, QTBUG-96103");
+
+ constexpr int time = 500;
+ constexpr int hold = 250;
+ constexpr int wait = 0;
#if defined (Q_OS_HPUX)
- const int numthreads=50;
+ constexpr int NumThreads = 50;
#elif defined(Q_OS_VXWORKS)
- const int numthreads=40;
+ constexpr int NumThreads = 40;
#else
- const int numthreads=75;
+ constexpr int NumThreads = 75;
#endif
QReadWriteLock testLock;
- ReadLockLoopThread *threads[numthreads];
- int i;
- for (i=0; i<numthreads; ++i)
- threads[i] = new ReadLockLoopThread(testLock, time, hold, wait);
- for (i=0; i<numthreads; ++i)
- threads[i]->start();
- for (i=0; i<numthreads; ++i)
- threads[i]->wait();
- for (i=0; i<numthreads; ++i)
- delete threads[i];
+ ReadLockLoopThread *threads[NumThreads];
+ for (auto &thread : threads)
+ thread = new ReadLockLoopThread(testLock, time, hold, wait);
+ for (auto thread : threads)
+ thread->start();
+ for (auto thread : threads)
+ thread->wait();
+ for (auto thread : threads)
+ delete thread;
}
/*
@@ -724,21 +697,20 @@ void tst_QReadWriteLock::multipleReadersLoop()
*/
void tst_QReadWriteLock::multipleWritersLoop()
{
- int time=500;
- int wait=0;
- int hold=0;
- const int numthreads=50;
- QReadWriteLock testLock;
- WriteLockLoopThread *threads[numthreads];
- int i;
- for (i=0; i<numthreads; ++i)
- threads[i] = new WriteLockLoopThread(testLock, time, hold, wait);
- for (i=0; i<numthreads; ++i)
- threads[i]->start();
- for (i=0; i<numthreads; ++i)
- threads[i]->wait();
- for (i=0; i<numthreads; ++i)
- delete threads[i];
+ constexpr int time = 500;
+ constexpr int wait = 0;
+ constexpr int hold = 0;
+ constexpr int numthreads = 50;
+ QReadWriteLock testLock;
+ WriteLockLoopThread *threads[numthreads];
+ for (auto &thread : threads)
+ thread = new WriteLockLoopThread(testLock, time, hold, wait);
+ for (auto thread : threads)
+ thread->start();
+ for (auto thread : threads)
+ thread->wait();
+ for (auto thread : threads)
+ delete thread;
}
/*
@@ -746,40 +718,36 @@ void tst_QReadWriteLock::multipleWritersLoop()
*/
void tst_QReadWriteLock::multipleReadersWritersLoop()
{
- //int time=INT_MAX;
- int time=10000;
- int readerThreads=20;
- int readerWait=0;
- int readerHold=1;
-
- int writerThreads=2;
- int writerWait=500;
- int writerHold=50;
-
- QReadWriteLock testLock;
- ReadLockLoopThread *readers[1024];
- WriteLockLoopThread *writers[1024];
- int i;
-
- for (i=0; i<readerThreads; ++i)
- readers[i] = new ReadLockLoopThread(testLock, time, readerHold, readerWait, false);
- for (i=0; i<writerThreads; ++i)
- writers[i] = new WriteLockLoopThread(testLock, time, writerHold, writerWait, false);
-
- for (i=0; i<readerThreads; ++i)
- readers[i]->start(QThread::NormalPriority);
- for (i=0; i<writerThreads; ++i)
- writers[i]->start(QThread::IdlePriority);
-
- for (i=0; i<readerThreads; ++i)
- readers[i]->wait();
- for (i=0; i<writerThreads; ++i)
- writers[i]->wait();
-
- for (i=0; i<readerThreads; ++i)
- delete readers[i];
- for (i=0; i<writerThreads; ++i)
- delete writers[i];
+ constexpr int time = 10000; // INT_MAX
+ constexpr int readerThreads = 20;
+ constexpr int readerWait = 0;
+ constexpr int readerHold = 1;
+
+ constexpr int writerThreads = 2;
+ constexpr int writerWait = 500;
+ constexpr int writerHold = 50;
+
+ QReadWriteLock testLock;
+ ReadLockLoopThread *readers[readerThreads];
+ WriteLockLoopThread *writers[writerThreads];
+
+ for (auto &thread : readers)
+ thread = new ReadLockLoopThread(testLock, time, readerHold, readerWait, false);
+ for (auto &thread : writers)
+ thread = new WriteLockLoopThread(testLock, time, writerHold, writerWait, false);
+ for (auto thread : readers)
+ thread->start(QThread::NormalPriority);
+ for (auto thread : writers)
+ thread->start(QThread::IdlePriority);
+
+ for (auto thread : readers)
+ thread->wait();
+ for (auto thread : writers)
+ thread->wait();
+ for (auto thread : readers)
+ delete thread;
+ for (auto thread : writers)
+ delete thread;
}
/*
@@ -788,39 +756,35 @@ void tst_QReadWriteLock::multipleReadersWritersLoop()
*/
void tst_QReadWriteLock::countingTest()
{
- //int time=INT_MAX;
- int time=10000;
- int readerThreads=20;
- int readerWait=1;
-
- int writerThreads=3;
- int writerWait=150;
- int maxval=10000;
-
- QReadWriteLock testLock;
- ReadLockCountThread *readers[1024];
- WriteLockCountThread *writers[1024];
- int i;
-
- for (i=0; i<readerThreads; ++i)
- readers[i] = new ReadLockCountThread(testLock, time, readerWait);
- for (i=0; i<writerThreads; ++i)
- writers[i] = new WriteLockCountThread(testLock, time, writerWait, maxval);
-
- for (i=0; i<readerThreads; ++i)
- readers[i]->start(QThread::NormalPriority);
- for (i=0; i<writerThreads; ++i)
- writers[i]->start(QThread::LowestPriority);
-
- for (i=0; i<readerThreads; ++i)
- readers[i]->wait();
- for (i=0; i<writerThreads; ++i)
- writers[i]->wait();
-
- for (i=0; i<readerThreads; ++i)
- delete readers[i];
- for (i=0; i<writerThreads; ++i)
- delete writers[i];
+ constexpr int time = 10000; // INT_MAX
+ constexpr int readerThreads = 20;
+ constexpr int readerWait = 1;
+
+ constexpr int writerThreads = 3;
+ constexpr int writerWait = 150;
+ constexpr int maxval = 10000;
+
+ QReadWriteLock testLock;
+ ReadLockCountThread *readers[readerThreads];
+ WriteLockCountThread *writers[writerThreads];
+
+ for (auto &thread : readers)
+ thread = new ReadLockCountThread(testLock, time, readerWait);
+ for (auto &thread : writers)
+ thread = new WriteLockCountThread(testLock, time, writerWait, maxval);
+ for (auto thread : readers)
+ thread->start(QThread::NormalPriority);
+ for (auto thread : writers)
+ thread->start(QThread::LowestPriority);
+
+ for (auto thread : readers)
+ thread->wait();
+ for (auto thread : writers)
+ thread->wait();
+ for (auto thread : readers)
+ delete thread;
+ for (auto thread : writers)
+ delete thread;
}
void tst_QReadWriteLock::limitedReaders()