Improve reliability on multi-threading.

- Limits call to signals_manager and subscribed signals map
- Unlock and lock mutex in the right order to avoid possible dead locks.

Change-Id: Ifb152af833ad8bdde5dc4fc3a27b1a7c27046523
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 3 insertions, 2 deletions

diff --git a/CAN-binder/low-can-binding/binding/low-can-hat.hpp b/CAN-binder/low-can-binding/binding/low-can-hat.hpp
index 632dbc90..233d7987 100644
--- a/CAN-binder/low-can-binding/binding/low-can-hat.hpp
+++ b/CAN-binder/low-can-binding/binding/low-can-hat.hpp
@@ -19,6 +19,7 @@
 #pragma once
 
 #include <cstddef>
+#include <map>
 #include <string>
 #include <memory>
 #include <systemd/sd-event.h>
@@ -34,8 +35,8 @@ extern const struct afb_binding_interface *binder_interface;
 
 class low_can_subscription_t;
 
-void on_no_clients(std::shared_ptr<low_can_subscription_t> can_subscription);
-void on_no_clients(std::shared_ptr<low_can_subscription_t> can_subscription, uint32_t pid);
+void on_no_clients(std::shared_ptr<low_can_subscription_t> can_subscription, std::map<int, std::shared_ptr<low_can_subscription_t> >& s);
+void on_no_clients(std::shared_ptr<low_can_subscription_t> can_subscription, uint32_t pid, std::map<int, std::shared_ptr<low_can_subscription_t> >& s);
 int read_message(sd_event_source *s, int fd, uint32_t revents, void *userdata);
 
 void subscribe(struct afb_req request);