summaryrefslogtreecommitdiff
path: root/examples/threads/semaphores/semaphores.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'examples/threads/semaphores/semaphores.cpp')
-rw-r--r--examples/threads/semaphores/semaphores.cpp81
1 files changed, 58 insertions, 23 deletions
diff --git a/examples/threads/semaphores/semaphores.cpp b/examples/threads/semaphores/semaphores.cpp
index 88630def09..3632895c61 100644
--- a/examples/threads/semaphores/semaphores.cpp
+++ b/examples/threads/semaphores/semaphores.cpp
@@ -38,13 +38,18 @@
**
****************************************************************************/
-#include <QtCore>
+#include <QtGui>
#include <stdio.h>
#include <stdlib.h>
//! [0]
+#ifdef Q_WS_S60
+const int DataSize = 300;
+#else
const int DataSize = 100000;
+#endif
+
const int BufferSize = 8192;
char buffer[BufferSize];
@@ -57,43 +62,70 @@ class Producer : public QThread
//! [1] //! [2]
{
public:
- void run();
-};
-
-void Producer::run()
-{
- qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
- for (int i = 0; i < DataSize; ++i) {
- freeBytes.acquire();
- buffer[i % BufferSize] = "ACGT"[(int)qrand() % 4];
- usedBytes.release();
+ void run()
+ {
+ qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
+ for (int i = 0; i < DataSize; ++i) {
+ freeBytes.acquire();
+ buffer[i % BufferSize] = "ACGT"[(int)qrand() % 4];
+ usedBytes.release();
+ }
}
-}
+};
//! [2]
//! [3]
class Consumer : public QThread
//! [3] //! [4]
{
+ Q_OBJECT
public:
- void run();
-};
-
-void Consumer::run()
-{
- for (int i = 0; i < DataSize; ++i) {
- usedBytes.acquire();
- fprintf(stderr, "%c", buffer[i % BufferSize]);
- freeBytes.release();
+ void run()
+ {
+ for (int i = 0; i < DataSize; ++i) {
+ usedBytes.acquire();
+ #ifdef Q_WS_S60
+ QString text(buffer[i % BufferSize]);
+ freeBytes.release();
+ emit stringConsumed(text);
+ #else
+ fprintf(stderr, "%c", buffer[i % BufferSize]);
+ freeBytes.release();
+ #endif
+ }
+ fprintf(stderr, "\n");
}
- fprintf(stderr, "\n");
-}
+
+signals:
+ void stringConsumed(const QString &text);
+
+protected:
+ bool finish;
+};
//! [4]
//! [5]
int main(int argc, char *argv[])
//! [5] //! [6]
{
+#ifdef Q_WS_S60
+ // Self made console for Symbian
+ QApplication app(argc, argv);
+ QPlainTextEdit console;
+ console.setReadOnly(true);
+ console.setTextInteractionFlags(Qt::NoTextInteraction);
+ console.showMaximized();
+
+ Producer producer;
+ Consumer consumer;
+
+ QObject::connect(&consumer, SIGNAL(stringConsumed(const QString&)), &console, SLOT(insertPlainText(QString)), Qt::BlockingQueuedConnection);
+
+ producer.start();
+ consumer.start();
+
+ app.exec();
+#else
QCoreApplication app(argc, argv);
Producer producer;
Consumer consumer;
@@ -102,5 +134,8 @@ int main(int argc, char *argv[])
producer.wait();
consumer.wait();
return 0;
+#endif
}
//! [6]
+
+#include "semaphores.moc"