#include <simgrid/forward.h>
#include <simgrid/s4u/Activity.hpp>
#include <simgrid/s4u/forward.hpp>
-
namespace simgrid {
namespace s4u {
-
/** @brief Communication async
*
* Represents all asynchronous communications, that you can test or wait onto.
{
Comm() : Activity() {}
public:
- ~Comm() override;
+ friend void intrusive_ptr_release(simgrid::s4u::Comm * c);
+ friend void intrusive_ptr_add_ref(simgrid::s4u::Comm * c);
- /*! take a range of s4u::Comm* (last excluded) and return when one of them is finished. The return value is an
+ virtual ~Comm();
+
+ /*! take a range of s4u::CommPtr (last excluded) and return when one of them is finished. The return value is an
* iterator on the finished Comms. */
template <class I> static I wait_any(I first, I last)
{
// Map to dynar<Synchro*>:
- xbt_dynar_t comms = xbt_dynar_new(sizeof(simgrid::kernel::activity::ActivityImpl*), NULL);
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(simgrid::kernel::activity::ActivityImpl*), [](void*ptr){
+ intrusive_ptr_release(*(simgrid::kernel::activity::ActivityImpl**)ptr);
+ });
for (I iter = first; iter != last; iter++) {
- Comm& comm = **iter;
- if (comm.state_ == inited)
- comm.start();
- xbt_assert(comm.state_ == started);
- xbt_dynar_push_as(comms, simgrid::kernel::activity::ActivityImpl*, comm.pimpl_);
+ CommPtr comm = *iter;
+ if (comm->state_ == inited)
+ comm->start();
+ xbt_assert(comm->state_ == started);
+ simgrid::kernel::activity::ActivityImpl* ptr = comm->pimpl_.get();
+ intrusive_ptr_add_ref(ptr);
+ xbt_dynar_push_as(comms, simgrid::kernel::activity::ActivityImpl*, ptr);
}
// Call the underlying simcall:
int idx = simcall_comm_waitany(comms, -1);
(*res)->state_ = finished;
return res;
}
- /*! Same as wait_any, but with a timeout. If wait_any_for return because of the timeout last is returned.*/
+ /*! Same as wait_any, but with a timeout. If the timeout occurs, parameter last is returned.*/
template <class I> static I wait_any_for(I first, I last, double timeout)
{
// Map to dynar<Synchro*>:
- xbt_dynar_t comms = xbt_dynar_new(sizeof(simgrid::kernel::activity::ActivityImpl*), NULL);
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(simgrid::kernel::activity::ActivityImpl*), [](void*ptr){
+ intrusive_ptr_release(*(simgrid::kernel::activity::ActivityImpl**)ptr);
+ });
for (I iter = first; iter != last; iter++) {
- Comm& comm = **iter;
- if (comm.state_ == inited)
- comm.start();
- xbt_assert(comm.state_ == started);
- xbt_dynar_push_as(comms, simgrid::kernel::activity::ActivityImpl*, comm.pimpl_);
+ CommPtr comm = *iter;
+ if (comm->state_ == inited)
+ comm->start();
+ xbt_assert(comm->state_ == started);
+ simgrid::kernel::activity::ActivityImpl* ptr = comm->pimpl_.get();
+ intrusive_ptr_add_ref(ptr);
+ xbt_dynar_push_as(comms, simgrid::kernel::activity::ActivityImpl*, ptr);
}
// Call the underlying simcall:
int idx = simcall_comm_waitany(comms, timeout);
return res;
}
/** Creates (but don't start) an async send to the mailbox @p dest */
- static Comm& send_init(MailboxPtr dest);
+ static CommPtr send_init(MailboxPtr dest);
/** Creates and start an async send to the mailbox @p dest */
- static Comm& send_async(MailboxPtr dest, void* data, int simulatedByteAmount);
+ static CommPtr send_async(MailboxPtr dest, void* data, int simulatedByteAmount);
/** Creates (but don't start) an async recv onto the mailbox @p from */
- static Comm& recv_init(MailboxPtr from);
+ static CommPtr recv_init(MailboxPtr from);
/** Creates and start an async recv to the mailbox @p from */
- static Comm& recv_async(MailboxPtr from, void** data);
+ static CommPtr recv_async(MailboxPtr from, void** data);
+ /** Creates and start a detached send to the mailbox @p dest
+ * TODO: make it possible to detach an already created comm */
+ static void send_detached(MailboxPtr dest, void* data, int simulatedSize);
void start() override;
void wait() override;
size_t getDstDataSize();
bool test();
+ void cancel();
private:
double rate_ = -1;
smx_actor_t sender_ = nullptr;
smx_actor_t receiver_ = nullptr;
MailboxPtr mailbox_ = nullptr;
+
+ std::atomic_int_fast32_t refcount_{0};
};
}
} // namespace simgrid::s4u