StimProducer: add destroyAttachedStimulusBuffer virtual method

Implemented in base class and in derived class
PcloudStimulusProducer.

commonLibs/attachmentSupport/stimulusProducer.cpp

@@ -2,6 +2,7 @@
 #include <config.h>
 #include <iostream>
 #include <chrono>
+#include <algorithm>
 #include <boost/asio/io_service.hpp>
 #include <boost/asio/deadline_timer.hpp>
 #include <boost/system/error_code.hpp>
@@ -51,6 +52,21 @@ bool StimulusProducer::hasBufferWithQualeIfaceApi(
 	return false;
 }
 
+void StimulusProducer::destroyAttachedStimulusBuffer(
+	const std::shared_ptr<StimulusBuffer>& buffer)
+{
+	if (!buffer) { return; }
+
+	auto it = std::find(
+		attachedStimulusBuffers.begin(),
+		attachedStimulusBuffers.end(),
+		buffer);
+
+	if (it != attachedStimulusBuffers.end()) {
+		attachedStimulusBuffers.erase(it);
+	}
+}
+
 void StimulusProducer::stop()
 {
 	{