Extend QSharedMemory to work with qsizetype for sizes

This allows larger than 2G memory segments to be allocated.

Fixes: QTBUG-76995
Change-Id: I95309eeea511fadb28724c7592298c2fcc6f1d1a
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/corelib/kernel/qsharedmemory_p.h b/src/corelib/kernel/qsharedmemory_p.h
index e6e989abda..a248937037 100644
--- a/src/corelib/kernel/qsharedmemory_p.h
+++ b/src/corelib/kernel/qsharedmemory_p.h
@@ -123,7 +123,7 @@ public:
     QSharedMemoryPrivate();
 
     void *memory;
-    int size;
+    qsizetype size;
     QString key;
     QString nativeKey;
     QSharedMemory::SharedMemoryError error;
@@ -145,7 +145,7 @@ public:
 #endif
     bool initKey();
     bool cleanHandle();
-    bool create(int size);
+    bool create(qsizetype size);
     bool attach(QSharedMemory::AccessMode mode);
     bool detach();