class ActorImpl {
public:
ActorImpl() : piface_(this) {}
+ ~ActorImpl();
// TODO, replace with boost intrusive container hooks
s_xbt_swag_hookup_t process_hookup = { nullptr, nullptr }; /* simix_global->process_list */
smx_timer_t kill_timer = nullptr;
int segment_index = -1; /* Reference to an SMPI process' data segment. Default value is -1 if not in SMPI context*/
+ /* Refcounting */
+private:
+ std::atomic_int_fast32_t refcount_{1};
+public:
friend void intrusive_ptr_add_ref(ActorImpl* process)
{
process->refcount_.fetch_add(1, std::memory_order_relaxed);
{
// inspired from http://www.boost.org/doc/libs/1_55_0/doc/html/atomic/usage_examples.html
if (process->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
+ // Make sure that any changes done on other threads before their acquire are commited before our delete
+ // http://stackoverflow.com/questions/27751025/why-is-an-acquire-barrier-needed-before-deleting-the-data-in-an-atomically-refer
std::atomic_thread_fence(std::memory_order_acquire);
delete process;
}
}
- ~ActorImpl();
-
+ /* S4U/implem interfaces */
+private:
+ simgrid::s4u::Actor piface_; // Our interface is part of ourselves
+public:
simgrid::s4u::ActorPtr iface() { return s4u::ActorPtr(&piface_); }
simgrid::s4u::Actor* ciface() { return &piface_; }
- void daemonize();
- bool isDaemon();
-
+ /* Daemon actors are automatically killed when the last non-daemon leaves */
private:
bool daemon = false;
- std::atomic_int_fast32_t refcount_ { 1 };
- simgrid::s4u::Actor piface_; // Our interface is part of ourselves
+public:
+ void daemonize();
+ bool isDaemon();
};
}
