1 files changed, 4 insertions, 26 deletions
diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index b120f7f792..f9f536239f 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -169,27 +169,17 @@ private:
 
 Q_GLOBAL_STATIC(QMutex, processManagerGlobalMutex)
 
-static QProcessManager *processManagerInstance = 0;
-
-static QProcessManager *processManager()
-{
+static QProcessManager *processManager() {
     // The constructor of QProcessManager should be called only once
     // so we cannot use Q_GLOBAL_STATIC directly for QProcessManager
     QMutex *mutex = processManagerGlobalMutex();
     QMutexLocker locker(mutex);
-
-    if (!processManagerInstance)
-        QProcessPrivate::initializeProcessManager();
-
-    Q_ASSERT(processManagerInstance);
-    return processManagerInstance;
+    static QProcessManager processManager;
+    return &processManager;
 }
 
 QProcessManager::QProcessManager()
 {
-    // can only be called from main thread
-    Q_ASSERT(!qApp || qApp->thread() == QThread::currentThread());
-
 #if defined (QPROCESS_DEBUG)
     qDebug() << "QProcessManager::QProcessManager()";
 #endif
@@ -208,8 +198,6 @@ QProcessManager::QProcessManager()
     ::sigaction(SIGCHLD, &action, &oldAction);
     if (oldAction.sa_handler != qt_sa_sigchld_handler)
 	qt_sa_old_sigchld_handler = oldAction.sa_handler;
-
-    processManagerInstance = this;
 }
 
 QProcessManager::~QProcessManager()
@@ -238,8 +226,6 @@ QProcessManager::~QProcessManager()
     if (oldAction.sa_handler != qt_sa_sigchld_handler) {
         ::sigaction(SIGCHLD, &oldAction, 0);
     }
-
-    processManagerInstance = 0;
 }
 
 void QProcessManager::run()
@@ -1306,15 +1292,7 @@ bool QProcessPrivate::startDetached(const QString &program, const QStringList &a
 
 void QProcessPrivate::initializeProcessManager()
 {
-    if (qApp && qApp->thread() != QThread::currentThread()) {
-        // The process manager must be initialized in the main thread
-        // Note: The call below will re-enter this function, but in the right thread,
-        // so the else statement below will be executed.
-        QMetaObject::invokeMethod(qApp, "_q_initializeProcessManager", Qt::BlockingQueuedConnection);
-    } else {
-        static QProcessManager processManager;
-        Q_UNUSED(processManager);
-    }
+    (void) processManager();
 }
 
 QT_END_NAMESPACE