X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/04ac83f8e0edcc8dc577c4d28c8c419bc46abd5b..9a35e3d4e5aed80e7b3fab624547ab045dc00f8a:/src/s4u/s4u_Io.cpp diff --git a/src/s4u/s4u_Io.cpp b/src/s4u/s4u_Io.cpp index 8f1f764685..cc9794aff4 100644 --- a/src/s4u/s4u_Io.cpp +++ b/src/s4u/s4u_Io.cpp @@ -1,16 +1,15 @@ -/* Copyright (c) 2018-2019. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2018-2020. The SimGrid Team. All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ +#include "simgrid/s4u/Actor.hpp" #include "simgrid/s4u/Disk.hpp" #include "simgrid/s4u/Io.hpp" #include "simgrid/s4u/Storage.hpp" #include "src/kernel/activity/IoImpl.hpp" #include "xbt/log.h" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_io, s4u_activity, "S4U asynchronous IOs"); - namespace simgrid { namespace s4u { @@ -58,55 +57,32 @@ Io* Io::cancel() Io* Io::wait() { - simcall_io_wait(pimpl_); - state_ = State::FINISHED; - return this; + return this->wait_for(-1); } -Io* Io::wait_for(double) +Io* Io::wait_for(double timeout) { - THROW_UNIMPLEMENTED; -} - -bool Io::test() -{ - xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::FINISHED); - - if (state_ == State::FINISHED) - return true; - if (state_ == State::INITED) - this->start(); - - THROW_UNIMPLEMENTED; + vetoable_start(); - // return false + kernel::actor::ActorImpl* issuer = Actor::self()->get_impl(); + kernel::actor::simcall_blocking([this, issuer, timeout] { this->get_impl()->wait_for(issuer, timeout); }); + state_ = State::FINISHED; + this->release_dependencies(); + return this; } /** @brief Returns the amount of flops that remain to be done */ -double Io::get_remaining() +double Io::get_remaining() const { return kernel::actor::simcall( [this]() { return boost::static_pointer_cast(pimpl_)->get_remaining(); }); } -sg_size_t Io::get_performed_ioops() -{ - return kernel::actor::simcall( - [this]() { return boost::static_pointer_cast(pimpl_)->get_performed_ioops(); }); -} - -void intrusive_ptr_release(simgrid::s4u::Io* i) +sg_size_t Io::get_performed_ioops() const { - if (i->refcount_.fetch_sub(1, std::memory_order_release) == 1) { - std::atomic_thread_fence(std::memory_order_acquire); - delete i; - } + return boost::static_pointer_cast(pimpl_)->get_performed_ioops(); } -void intrusive_ptr_add_ref(simgrid::s4u::Io* i) -{ - i->refcount_.fetch_add(1, std::memory_order_relaxed); -} } // namespace s4u } // namespace simgrid