8 files changed, 16 insertions, 68 deletions
diff --git a/src/corelib/kernel/qsharedmemory_android.cpp b/src/corelib/kernel/qsharedmemory_android.cpp
index e642a6fdd9..0cee2ab3af 100644
--- a/src/corelib/kernel/qsharedmemory_android.cpp
+++ b/src/corelib/kernel/qsharedmemory_android.cpp
@@ -8,15 +8,6 @@
 #if QT_CONFIG(sharedmemory)
 QT_BEGIN_NAMESPACE
 
-QSharedMemoryPrivate::QSharedMemoryPrivate()
-    : QObjectPrivate(), memory(0), size(0), error(QSharedMemory::NoError),
-#if QT_CONFIG(systemsemaphore)
-      systemSemaphore(QString()), lockedByMe(false),
-#endif
-      unix_key(0)
-{
-}
-
 void QSharedMemoryPrivate::setErrorString(QLatin1StringView function)
 {
     Q_UNUSED(function);
diff --git a/src/corelib/kernel/qsharedmemory_p.h b/src/corelib/kernel/qsharedmemory_p.h
index d3cf56020b..6d7973faf8 100644
--- a/src/corelib/kernel/qsharedmemory_p.h
+++ b/src/corelib/kernel/qsharedmemory_p.h
@@ -82,17 +82,15 @@ class Q_AUTOTEST_EXPORT QSharedMemoryPrivate : public QObjectPrivate
     Q_DECLARE_PUBLIC(QSharedMemory)
 
 public:
-    QSharedMemoryPrivate();
-
-    void *memory;
-    qsizetype size;
+    void *memory = nullptr;
+    qsizetype size = 0;
     QString key;
     QString nativeKey;
-    QSharedMemory::SharedMemoryError error;
+    QSharedMemory::SharedMemoryError error = QSharedMemory::NoError;
     QString errorString;
 #if QT_CONFIG(systemsemaphore)
-    QSystemSemaphore systemSemaphore;
-    bool lockedByMe;
+    QSystemSemaphore systemSemaphore{QString()};
+    bool lockedByMe = false;
 #endif
 
     static int createUnixKeyFile(const QString &fileName);
@@ -126,11 +124,11 @@ public:
 
 private:
 #ifdef Q_OS_WIN
-    Qt::HANDLE hand;
+    Qt::HANDLE hand = nullptr;
 #elif defined(QT_POSIX_IPC)
-    int hand;
+    int hand = -1;
 #else
-    key_t unix_key;
+    key_t unix_key = 0;
 #endif
 };
 
diff --git a/src/corelib/kernel/qsharedmemory_unix.cpp b/src/corelib/kernel/qsharedmemory_unix.cpp
index 7cbc4aa27f..0696c3fe1d 100644
--- a/src/corelib/kernel/qsharedmemory_unix.cpp
+++ b/src/corelib/kernel/qsharedmemory_unix.cpp
@@ -28,19 +28,6 @@
 #if QT_CONFIG(sharedmemory)
 QT_BEGIN_NAMESPACE
 
-QSharedMemoryPrivate::QSharedMemoryPrivate() :
-    memory(nullptr), size(0), error(QSharedMemory::NoError),
-#if QT_CONFIG(systemsemaphore)
-      systemSemaphore(QString()), lockedByMe(false),
-#endif
-#ifndef QT_POSIX_IPC
-      unix_key(0)
-#else
-      hand(-1)
-#endif
-{
-}
-
 void QSharedMemoryPrivate::setErrorString(QLatin1StringView function)
 {
     // EINVAL is handled in functions so they can give better error strings
diff --git a/src/corelib/kernel/qsharedmemory_win.cpp b/src/corelib/kernel/qsharedmemory_win.cpp
index d73680daea..bf8c625b39 100644
--- a/src/corelib/kernel/qsharedmemory_win.cpp
+++ b/src/corelib/kernel/qsharedmemory_win.cpp
@@ -13,12 +13,6 @@ using namespace Qt::StringLiterals;
 
 #if QT_CONFIG(sharedmemory)
 
-QSharedMemoryPrivate::QSharedMemoryPrivate() :
-        memory(0), size(0), error(QSharedMemory::NoError),
-           systemSemaphore(QString()), lockedByMe(false), hand(0)
-{
-}
-
 void QSharedMemoryPrivate::setErrorString(QLatin1StringView function)
 {
     DWORD windowsError = GetLastError();
diff --git a/src/corelib/kernel/qsystemsemaphore_android.cpp b/src/corelib/kernel/qsystemsemaphore_android.cpp
index 1a2a3fff8b..5421dcbe8d 100644
--- a/src/corelib/kernel/qsystemsemaphore_android.cpp
+++ b/src/corelib/kernel/qsystemsemaphore_android.cpp
@@ -10,12 +10,6 @@
 
 QT_BEGIN_NAMESPACE
 
-QSystemSemaphorePrivate::QSystemSemaphorePrivate() :
-        unix_key(-1), semaphore(-1), createdFile(false),
-        createdSemaphore(false), error(QSystemSemaphore::NoError)
-{
-}
-
 void QSystemSemaphorePrivate::setErrorString(const QString &function)
 {
     Q_UNUSED(function);
diff --git a/src/corelib/kernel/qsystemsemaphore_p.h b/src/corelib/kernel/qsystemsemaphore_p.h
index da04b66249..47c9cdfe22 100644
--- a/src/corelib/kernel/qsystemsemaphore_p.h
+++ b/src/corelib/kernel/qsystemsemaphore_p.h
@@ -32,7 +32,6 @@ class QSystemSemaphorePrivate
 {
 
 public:
-    QSystemSemaphorePrivate();
 
     QString makeKeyFileName()
     {
@@ -61,18 +60,18 @@ public:
     QString fileName;
     int initialValue;
 #ifdef Q_OS_WIN
-    Qt::HANDLE semaphore;
+    Qt::HANDLE semaphore = nullptr;
 #elif defined(QT_POSIX_IPC)
-    sem_t *semaphore;
-    bool createdSemaphore;
+    sem_t *semaphore = SEM_FAILED;
+    bool createdSemaphore = false;
 #else
-    key_t unix_key;
-    int semaphore;
-    bool createdFile;
-    bool createdSemaphore;
+    key_t unix_key = -1;
+    int semaphore = -1;
+    bool createdFile = false;
+    bool createdSemaphore = false;
 #endif
     QString errorString;
-    QSystemSemaphore::SystemSemaphoreError error;
+    QSystemSemaphore::SystemSemaphoreError error = QSystemSemaphore::NoError;
 };
 
 QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qsystemsemaphore_unix.cpp b/src/corelib/kernel/qsystemsemaphore_unix.cpp
index 8c62434ffa..5cb891129a 100644
--- a/src/corelib/kernel/qsystemsemaphore_unix.cpp
+++ b/src/corelib/kernel/qsystemsemaphore_unix.cpp
@@ -21,16 +21,6 @@
 
 QT_BEGIN_NAMESPACE
 
-QSystemSemaphorePrivate::QSystemSemaphorePrivate() :
-#ifndef QT_POSIX_IPC
-    unix_key(-1), semaphore(-1), createdFile(false),
-#else
-    semaphore(SEM_FAILED),
-#endif // QT_POSIX_IPC
-    createdSemaphore(false), error(QSystemSemaphore::NoError)
-{
-}
-
 void QSystemSemaphorePrivate::setErrorString(const QString &function)
 {
     // EINVAL is handled in functions so they can give better error strings
diff --git a/src/corelib/kernel/qsystemsemaphore_win.cpp b/src/corelib/kernel/qsystemsemaphore_win.cpp
index b84cf9f859..f1b7e78ff7 100644
--- a/src/corelib/kernel/qsystemsemaphore_win.cpp
+++ b/src/corelib/kernel/qsystemsemaphore_win.cpp
@@ -13,11 +13,6 @@ using namespace Qt::StringLiterals;
 
 #if QT_CONFIG(systemsemaphore)
 
-QSystemSemaphorePrivate::QSystemSemaphorePrivate() :
-        semaphore(0), error(QSystemSemaphore::NoError)
-{
-}
-
 void QSystemSemaphorePrivate::setErrorString(const QString &function)
 {
     BOOL windowsError = GetLastError();