src/agent/Shared/ApiServerUtils.h in passenger-5.0.21 vs src/agent/Shared/ApiServerUtils.h in passenger-5.0.22

@@ -687,24 +687,32 @@
 	}
 }
 
 template<typename Server, typename Client, typename Request>
 inline void
-apiServerProcessVersion(Server *server, Client *client, Request *req) {
+apiServerProcessInfo(Server *server, Client *client, Request *req,
+	const boost::function<void (Json::Value &response)> &postprocessResponse =
+		boost::function<void (Json::Value &)>())
+{
 	Authorization auth(authorize(server, client, req));
 	if (auth.canReadPool || auth.canInspectState) {
 		ServerKit::HeaderTable headers;
 		headers.insert(req->pool, "Content-Type", "application/json");
 
 		Json::Value response;
+		response["pid"] = (Json::UInt64) getpid();
 		response["program_name"] = PROGRAM_NAME;
 		response["program_version"] = PASSENGER_VERSION;
 		response["api_version"] = PASSENGER_API_VERSION;
 		response["api_version_major"] = PASSENGER_API_VERSION_MAJOR;
 		response["api_version_minor"] = PASSENGER_API_VERSION_MINOR;
 		#ifdef PASSENGER_IS_ENTERPRISE
 			response["passenger_enterprise"] = true;
 		#endif
+
+		if (postprocessResponse) {
+			postprocessResponse(response);
+		}
 
 		server->writeSimpleResponse(client, 200, &headers,
 			response.toStyledString());
 		if (!req->ended()) {
 			server->endRequest(&client, &req);