+ double now = Engine::get_clock();
+ if (time_limit > now)
+ wait_for(time_limit - now);
+}
+
+bool Activity::test()
+{
+ xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::STARTING ||
+ state_ == State::CANCELED || state_ == State::FINISHED);
+
+ if (state_ == State::CANCELED || state_ == State::FINISHED)
+ return true;
+
+ if (state_ == State::INITED || state_ == State::STARTING)
+ this->vetoable_start();
+
+ if (kernel::actor::simcall([this] { return this->get_impl()->test(); })) {
+ state_ = State::FINISHED;
+ this->release_dependencies();
+ return true;
+ }
+
+ return false;
+}
+
+Activity* Activity::suspend()
+{
+ if (suspended_)
+ return this; // Already suspended
+ suspended_ = true;
+
+ if (state_ == State::STARTED)
+ pimpl_->suspend();
+
+ return this;
+}
+
+Activity* Activity::resume()
+{
+ if (not suspended_)
+ return this; // nothing to restore when it's not suspended
+
+ if (state_ == State::STARTED)
+ pimpl_->resume();
+
+ return this;
+}
+
+const char* Activity::get_state_str() const
+{
+ return to_c_str(state_);
+}
+
+double Activity::get_remaining() const
+{
+ if (state_ == State::INITED || state_ == State::STARTING)
+ return remains_;
+ else
+ return pimpl_->get_remaining();