Есть солюшен.
QtSharedMemoryShared Memory v2.1
The Shared Memory component provides cross-platform access to
shared memory.
Notes:
QtSharedMemory has been found not to work on some platforms.
Future improvements of this class will include extending the list
of supported platforms.
[/qoute]
Интерфейс вот:
QtSharedMemory ( const QString & key )
QtSharedMemory ()
~QtSharedMemory ()
bool attach ( Mode mode = ReadWrite )
bool create ( int size = 4096 )
void * data () const
bool destroy ( DestroyMode mode = NoWait )
bool detach ()
Error error () const
QString errorString () const
bool exists () const
int handle () const
bool isValid () const
QString key () const
bool lock ()
int numAttachments () const
void setKey ( const QString & key )
int size () const
void unlock ()
