Revert "adds a timeout option to QThreadPool::waitForDone();"

This reverts commit a0df2ac07c75882618b40657e1485dda3204880e
as it induced a BC breakage.

3 files changed, 7 insertions, 15 deletions

diff --git a/src/corelib/concurrent/qthreadpool.cpp b/src/corelib/concurrent/qthreadpool.cpp
index a4057f1c88..9e4189edec 100644
--- a/src/corelib/concurrent/qthreadpool.cpp
+++ b/src/corelib/concurrent/qthreadpool.cpp
@@ -41,7 +41,6 @@
 
 #include "qthreadpool.h"
 #include "qthreadpool_p.h"
-#include "qelapsedtimer.h"
 
 #ifndef QT_NO_THREAD
 
@@ -289,18 +288,11 @@ void QThreadPoolPrivate::reset()
     isExiting = false;
 }
 
-void QThreadPoolPrivate::waitForDone(int msecs)
+void QThreadPoolPrivate::waitForDone()
 {
     QMutexLocker locker(&mutex);
-    if (msecs < 0){
-        while (!(queue.isEmpty() && activeThreads == 0))
-            noActiveThreads.wait(locker.mutex());
-    } else {
-        QElapsedTimer timer;
-        timer.start();
-        while (!(queue.isEmpty() && activeThreads == 0) && (timer.elapsed() < msecs))
-            noActiveThreads.wait(locker.mutex(), msecs - timer.elapsed());
-    }
+    while (!(queue.isEmpty() && activeThreads == 0))
+        noActiveThreads.wait(locker.mutex());
 }
 
 /*! \internal
@@ -618,10 +610,10 @@ void QThreadPool::releaseThread()
 /*!
     Waits for each thread to exit and removes all threads from the thread pool.
 */
-void QThreadPool::waitForDone(int msecs)
+void QThreadPool::waitForDone()
 {
     Q_D(QThreadPool);
-    d->waitForDone(msecs);
+    d->waitForDone();
     d->reset();
 }
 
diff --git a/src/corelib/concurrent/qthreadpool.h b/src/corelib/concurrent/qthreadpool.h
index 9895c417e0..cc1e05986b 100644
--- a/src/corelib/concurrent/qthreadpool.h
+++ b/src/corelib/concurrent/qthreadpool.h
@@ -84,7 +84,7 @@ public:
     void reserveThread();
     void releaseThread();
 
-    void waitForDone(int msecs = -1);
+    void waitForDone();
 };
 
 QT_END_NAMESPACE
diff --git a/src/corelib/concurrent/qthreadpool_p.h b/src/corelib/concurrent/qthreadpool_p.h
index 1a0e4abca0..8a2cf98517 100644
--- a/src/corelib/concurrent/qthreadpool_p.h
+++ b/src/corelib/concurrent/qthreadpool_p.h
@@ -82,7 +82,7 @@ public:
 
     void startThread(QRunnable *runnable = 0);
     void reset();
-    void waitForDone(int msecs = -1);
+    void waitForDone();
     bool startFrontRunnable();
     void stealRunnable(QRunnable *);