From 9eb5d398a0ea10c39b30ebf2789c6ae365c1895e Mon Sep 17 00:00:00 2001
From: Diana Pinto <Diana.IB.Pinto@ctw.bmwgroup.com>
Date: Fri, 4 Oct 2024 15:22:36 +0100
Subject: [PATCH] capicxx-core-runtime 3.2.4

- Added github workflow to build the project in Ubuntu and Windows
- Fix Copyright & github link in README
- (dev) Warn about multiple subscriptions
---
 Android.bp                  |  2 +-
 CHANGES                     |  7 +++++++
 CMakeLists.txt              |  4 ++--
 include/CommonAPI/Event.hpp | 12 +++++++++++-
 4 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/Android.bp b/Android.bp
index 93dc072..fa8e513 100644
--- a/Android.bp
+++ b/Android.bp
@@ -4,7 +4,7 @@ cc_defaults {
     rtti: true,
 
     cppflags: [
-        "-std=c++11",
+        "-std=c++17",
         "-Wall",
         "-Wextra",
         "-Wformat",
diff --git a/CHANGES b/CHANGES
index 87db39e..7b9f739 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,13 @@
 Changes
 =======
 
+v3.2.4
+- Added github workflow to build the project in Ubuntu and Windows
+
+v3.2.3-r8
+- Fix Copyright & github link in README
+- (dev) Warn about multiple subscriptions
+
 v3.2.3-r7
 - Fixed warnings with gcc11 for Wextra-extra-semi flag
 - Fix capi-core-runtime Runtime::loadLibrary
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1cade2a..11eb544 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ PROJECT(libcommonapi)
 # version of CommonAPI
 SET( LIBCOMMONAPI_MAJOR_VERSION 3 )
 SET( LIBCOMMONAPI_MINOR_VERSION 2 )
-SET( LIBCOMMONAPI_PATCH_VERSION 3 )
+SET( LIBCOMMONAPI_PATCH_VERSION 4 )
 
 message(STATUS "Project name: ${PROJECT_NAME}")
 
@@ -106,7 +106,7 @@ IF(MSVC)
     add_definitions(-DCOMMONAPI_INTERNAL_COMPILATION -DCOMMONAPI_DLL_COMPILATION)
     add_compile_options(/EHsc /wd4996)
 ELSE ()
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -Werror=extra-semi -Wformat -Wformat-security -Wconversion -fexceptions -fstrict-aliasing -fstack-protector-strong -fasynchronous-unwind-tables -fno-omit-frame-pointer -Werror -DCOMMONAPI_INTERNAL_COMPILATION -fvisibility=hidden")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -Wall -Wextra -Werror=extra-semi -Wformat -Wformat-security -Wconversion -fexceptions -fstrict-aliasing -fstack-protector-strong -fasynchronous-unwind-tables -fno-omit-frame-pointer -Werror -DCOMMONAPI_INTERNAL_COMPILATION -fvisibility=hidden")
     set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wformat-security -fstack-protector-strong")
 ENDIF(MSVC)
 
diff --git a/include/CommonAPI/Event.hpp b/include/CommonAPI/Event.hpp
index 116d6b3..9512cbf 100644
--- a/include/CommonAPI/Event.hpp
+++ b/include/CommonAPI/Event.hpp
@@ -90,6 +90,16 @@ class Event {
         (void)_listener;
     }
 
+    /**
+     * \brief Get the number of subscriptions to this event.
+     *
+     * \warning This method acquires a lock on `subscriptionMutex_`.
+     */
+    std::size_t getSubscriptionCount() const {
+        std::lock_guard<std::mutex> itsSubscriptionLock(subscriptionMutex_);
+        return subscriptions_.size();
+    }
+
 private:
     ListenersMap subscriptions_;
     Subscription nextSubscription_;
@@ -98,7 +108,7 @@ class Event {
     SubscriptionsSet pendingUnsubscriptions_;
 
     std::mutex notificationMutex_;
-    std::mutex subscriptionMutex_;
+    mutable std::mutex subscriptionMutex_;
 };
 
 template<typename ... Arguments_>