#include <simgrid/s4u/Activity.hpp>
#include <simgrid/s4u/forward.hpp>
+#include <vector>
+
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);
+
+ virtual ~Comm();
- /*! take a range of s4u::Comm* (last excluded) and return when one of them is finished. The return value is an
+ /*! 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);
- 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_);
- }
- // Call the underlying simcall:
- int idx = simcall_comm_waitany(comms, -1);
- xbt_dynar_free(&comms);
- // Not found:
- if (idx == -1)
- return last;
- // Lift the index to the corresponding iterator:
- auto res = std::next(first, idx);
- (*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.*/
- template <class I> static I wait_any_for(I first, I last, double timeout)
+ static int wait_any(std::vector<CommPtr> * comms) { return wait_any_for(comms, -1); }
+ /*! Same as wait_any, but with a timeout. If the timeout occurs, parameter last is returned.*/
+ static int wait_any_for(std::vector<CommPtr> * comms_in, double timeout)
{
// Map to dynar<Synchro*>:
- xbt_dynar_t comms = xbt_dynar_new(sizeof(simgrid::kernel::activity::ActivityImpl*), NULL);
- 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_);
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(simgrid::kernel::activity::ActivityImpl*), [](void*ptr){
+ intrusive_ptr_release(*(simgrid::kernel::activity::ActivityImpl**)ptr);
+ });
+ for (auto comm : *comms_in) {
+ 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);
xbt_dynar_free(&comms);
- // Not found:
- if (idx == -1)
- return last;
- // Lift the index to the corresponding iterator:
- auto res = std::next(first, idx);
- (*res)->state_ = finished;
- return res;
+ return idx;
}
/** 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;
/* FIXME: expose these elements in the API */
int detached_ = 0;
- int (*matchFunction_)(void*, void*, smx_activity_t) = nullptr;
+ int (*matchFunction_)(void*, void*, simgrid::kernel::activity::CommImpl*) = nullptr;
void (*cleanFunction_)(void*) = nullptr;
void (*copyDataFunction_)(smx_activity_t, void*, size_t) = nullptr;
smx_actor_t sender_ = nullptr;
smx_actor_t receiver_ = nullptr;
MailboxPtr mailbox_ = nullptr;
+
+ std::atomic_int_fast32_t refcount_{0};
};
}
} // namespace simgrid::s4u