private Pointer[] createFSEventStream() throws IOException {
final Pointer root = cf.CFStringCreateWithCString(Pointer.NULL, "/", ENC_MAC_ROMAN); // NOI18N
if (root == Pointer.NULL) {
throw new IOException("Path creation failed."); // NOI18N
}
final Pointer arr = cf.CFArrayCreateMutable(Pointer.NULL, new NativeLong(1), Pointer.NULL);
if (arr == Pointer.NULL) {
throw new IOException("Path list creation failed."); // NOI18N
}
cf.CFArrayAppendValue(arr, root);
final Pointer eventStream =
cs.FSEventStreamCreate(
Pointer.NULL,
callback,
Pointer.NULL,
arr,
kFSEventStreamEventIdSinceNow,
LATENCY,
kFSEventStreamCreateFlagNoDefer);
if (eventStream == Pointer.NULL) {
throw new IOException("Creation of FSEventStream failed."); // NOI18N
}
final Pointer loop = cf.CFRunLoopGetCurrent();
final Pointer kCFRunLoopDefaultMode = findDefaultMode(loop);
if (kCFRunLoopDefaultMode == null) {
throw new IOException("Caller has no defaul run loop mode."); // NOI18N
}
cs.FSEventStreamScheduleWithRunLoop(eventStream, loop, kCFRunLoopDefaultMode);
if (LOG.isLoggable(DEBUG_LOG_LEVEL)) {
LOG.log(DEBUG_LOG_LEVEL, getStreamDescription(eventStream));
}
cs.FSEventStreamStart(eventStream);
return new Pointer[] {eventStream, loop};
}
