bool ObservableLooper::QuitRequested() {
if(CountTargets()) {
if(!m_quitting) {
m_quitting = true;
// no release request yet sent
notifyRelease();
if(m_quitTimeout != B_INFINITE_TIMEOUT) {
// Initiate a timer to force quit -- if an observer
// has died, it shouldn't take me down with it.
ASSERT(!m_executioner);
m_executioner = new BMessageRunner(
BMessenger(this),
new BMessage(M_KILL_OBSERVABLE),
m_quitTimeout,
1);
}
}
// targets remain, so don't quit.
return false;
}
// okay to quit
return true;
}
__USE_CORTEX_NAMESPACE
// ---------------------------------------------------------------- //
// *** deletion
// ---------------------------------------------------------------- //
// clients must call release() rather than deleting,
// to ensure that all observers are notified of the
// object's demise. if the object has already been
// released, return an error.
status_t ObservableHandler::release() {
if(m_released)
return B_NOT_ALLOWED;
// PRINT((
// "ObservableHandler::release(): %ld targets\n", CountTargets()));
if(!LockLooper()) {
ASSERT(!"failed to lock looper");
}
m_released = true;
if(CountTargets()) {
// notify
notifyRelease();
UnlockLooper();
}
else {
releaseComplete();
UnlockLooper();
delete this;
}
return B_OK;
}
