1 /* Copyright (c) 2018-2019. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/s4u/Io.hpp"
7 #include "simgrid/s4u/Storage.hpp"
8 #include "src/kernel/activity/IoImpl.hpp"
9 #include "src/simix/smx_io_private.hpp"
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_io, s4u_activity, "S4U asynchronous IOs");
19 Activity::set_remaining(size_);
20 pimpl_ = simix::simcall([this] {
21 return boost::static_pointer_cast<kernel::activity::IoImpl>(SIMIX_io_start(name_, size_, storage_, type_));
23 state_ = State::STARTED;
29 simgrid::simix::simcall([this] { dynamic_cast<kernel::activity::IoImpl*>(pimpl_.get())->cancel(); });
30 state_ = State::CANCELED;
36 simcall_io_wait(pimpl_);
37 state_ = State::FINISHED;
41 Io* Io::wait_for(double timeout)
49 xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::FINISHED);
51 if (state_ == State::FINISHED)
54 if (state_ == State::INITED)
62 /** @brief Returns the amount of flops that remain to be done */
63 double Io::get_remaining()
65 return simgrid::simix::simcall(
66 [this]() { return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_remaining(); });
69 sg_size_t Io::get_performed_ioops()
71 return simgrid::simix::simcall(
72 [this]() { return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_performed_ioops(); });
75 void intrusive_ptr_release(simgrid::s4u::Io* i)
77 if (i->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
78 std::atomic_thread_fence(std::memory_order_acquire);
83 void intrusive_ptr_add_ref(simgrid::s4u::Io* i)
85 i->refcount_.fetch_add(1, std::memory_order_relaxed);
88 } // namespace simgrid