diff options
Diffstat (limited to 'examples/corelib/threads')
4 files changed, 6 insertions, 8 deletions
diff --git a/examples/corelib/threads/queuedcustomtype/main.cpp b/examples/corelib/threads/queuedcustomtype/main.cpp index 7084b7538a..1f25fafa1b 100644 --- a/examples/corelib/threads/queuedcustomtype/main.cpp +++ b/examples/corelib/threads/queuedcustomtype/main.cpp @@ -126,7 +126,6 @@ int main(int argc, char *argv[]) //! [main start] //! [register meta-type for queued communications] qRegisterMetaType<Block>(); //! [register meta-type for queued communications] - qsrand(QTime::currentTime().elapsed()); Window window; window.show(); diff --git a/examples/corelib/threads/queuedcustomtype/renderthread.cpp b/examples/corelib/threads/queuedcustomtype/renderthread.cpp index f894dd587f..67cedf1e74 100644 --- a/examples/corelib/threads/queuedcustomtype/renderthread.cpp +++ b/examples/corelib/threads/queuedcustomtype/renderthread.cpp @@ -50,6 +50,8 @@ #include "renderthread.h" +#include <QRandomGenerator> + RenderThread::RenderThread(QObject *parent) : QThread(parent) { @@ -82,9 +84,9 @@ void RenderThread::run() for (int s = size; s > 0; --s) { for (int c = 0; c < 400; ++c) { //![processing the image (start)] - int x1 = qMax(0, (qrand() % m_image.width()) - s/2); + int x1 = qMax(0, QRandomGenerator::global()->bounded(m_image.width()) - s/2); int x2 = qMin(x1 + s/2 + 1, m_image.width()); - int y1 = qMax(0, (qrand() % m_image.height()) - s/2); + int y1 = qMax(0, QRandomGenerator::global()->bounded(m_image.height()) - s/2); int y2 = qMin(y1 + s/2 + 1, m_image.height()); int n = 0; int red = 0; diff --git a/examples/corelib/threads/semaphores/semaphores.cpp b/examples/corelib/threads/semaphores/semaphores.cpp index 37dd4cda20..145624bb0b 100644 --- a/examples/corelib/threads/semaphores/semaphores.cpp +++ b/examples/corelib/threads/semaphores/semaphores.cpp @@ -70,10 +70,9 @@ class Producer : public QThread public: void run() override { - qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); for (int i = 0; i < DataSize; ++i) { freeBytes.acquire(); - buffer[i % BufferSize] = "ACGT"[(int)qrand() % 4]; + buffer[i % BufferSize] = "ACGT"[QRandomGenerator::global()->bounded(4)]; usedBytes.release(); } } diff --git a/examples/corelib/threads/waitconditions/waitconditions.cpp b/examples/corelib/threads/waitconditions/waitconditions.cpp index 9eab28f94c..963ee03a76 100644 --- a/examples/corelib/threads/waitconditions/waitconditions.cpp +++ b/examples/corelib/threads/waitconditions/waitconditions.cpp @@ -76,15 +76,13 @@ public: void run() override { - qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); - for (int i = 0; i < DataSize; ++i) { mutex.lock(); if (numUsedBytes == BufferSize) bufferNotFull.wait(&mutex); mutex.unlock(); - buffer[i % BufferSize] = "ACGT"[(int)qrand() % 4]; + buffer[i % BufferSize] = "ACGT"[QRandomGenerator::global()->bounded(4)]; mutex.lock(); ++numUsedBytes; |