-/* Copyright (c) 2018-2021. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2018-2022. 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/Disk.hpp>
+#include <simgrid/s4u/Io.hpp>
+#include <xbt/log.h>
+
#include "src/kernel/activity/IoImpl.hpp"
#include "src/kernel/actor/ActorImpl.hpp"
#include "src/kernel/actor/SimcallObserver.hpp"
-#include "xbt/log.h"
namespace simgrid {
namespace s4u {
xbt::signal<void(Io const&)> Io::on_start;
-xbt::signal<void(Io const&)> Io::on_completion;
Io::Io(kernel::activity::IoImplPtr pimpl)
{
pimpl_ = pimpl;
}
-void Io::complete(Activity::State state)
-{
- Activity::complete(state);
- on_completion(*this);
-}
-
IoPtr Io::init()
{
auto pimpl = kernel::activity::IoImplPtr(new kernel::activity::IoImpl());
- return IoPtr(pimpl->get_iface());
+ return IoPtr(static_cast<Io*>(pimpl->get_iface()));
}
Io* Io::start()
ssize_t Io::wait_any_for(const std::vector<IoPtr>& ios, double timeout)
{
- std::vector<kernel::activity::IoImpl*> rios(ios.size());
- std::transform(begin(ios), end(ios), begin(rios),
- [](const IoPtr& io) { return static_cast<kernel::activity::IoImpl*>(io->pimpl_.get()); });
-
- kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
- kernel::actor::IoWaitanySimcall observer{issuer, rios, timeout};
- ssize_t changed_pos = kernel::actor::simcall_blocking(
- [&observer] {
- kernel::activity::IoImpl::wait_any_for(observer.get_issuer(), observer.get_ios(), observer.get_timeout());
- },
- &observer);
- if (changed_pos != -1)
- ios.at(changed_pos)->complete(State::FINISHED);
- return changed_pos;
+ std::vector<ActivityPtr> activities;
+ for (const auto& io : ios)
+ activities.push_back(boost::dynamic_pointer_cast<Activity>(io));
+ return Activity::wait_any_for(activities, timeout);
}
IoPtr Io::set_disk(const_sg_disk_t disk)
return this;
}
+IoPtr Io::set_priority(double priority)
+{
+ xbt_assert(state_ == State::INITED || state_ == State::STARTING,
+ "Cannot change the priority of an io after its start");
+ kernel::actor::simcall([this, priority] {
+ boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_sharing_penalty(1. / priority);
+ });
+ return this;
+}
+
IoPtr Io::set_size(sg_size_t size)
{
xbt_assert(state_ == State::INITED || state_ == State::STARTING, "Cannot set size once the Io is started");
return this;
}
+IoPtr Io::update_priority(double priority)
+{
+ kernel::actor::simcall([this, priority] {
+ boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->update_sharing_penalty(1. / priority);
+ });
+ return this;
+}
+
/** @brief Returns the amount of flops that remain to be done */
double Io::get_remaining() const
{