event_posted_context.perform = macPostedEventCallback;
m_macEventPosted = CFRunLoopSourceCreate(NULL,0,&event_posted_context);
CFRunLoopAddSource(CFRunLoopGetCurrent(), m_macEventPosted, kCFRunLoopCommonModes);
event_posted_context.perform = macPostedEventCallback;
m_macEventPosted = CFRunLoopSourceCreate(NULL,0,&event_posted_context);
CFRunLoopAddSource(CFRunLoopGetCurrent(), m_macEventPosted, kCFRunLoopCommonModes);