X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2b4662416289a826b9dcd961b4721172c3884cd1..d105f94a1512ae0528178dc4292b7d421ae3c039:/src/s4u/s4u_Io.cpp

diff --git a/src/s4u/s4u_Io.cpp b/src/s4u/s4u_Io.cpp
index 082d00b541..38050e152c 100644
--- a/src/s4u/s4u_Io.cpp
+++ b/src/s4u/s4u_Io.cpp
@@ -8,6 +8,7 @@
 #include "simgrid/s4u/Io.hpp"
 #include "src/kernel/activity/IoImpl.hpp"
 #include "src/kernel/actor/ActorImpl.hpp"
+#include "src/kernel/actor/SimcallObserver.hpp"
 #include "xbt/log.h"
 
 namespace simgrid {
@@ -15,14 +16,21 @@ namespace s4u {
 xbt::signal<void(Io const&)> Io::on_start;
 xbt::signal<void(Io const&)> Io::on_completion;
 
-Io::Io()
+Io::Io(kernel::activity::IoImplPtr pimpl)
 {
-  pimpl_ = kernel::activity::IoImplPtr(new kernel::activity::IoImpl());
+  pimpl_ = pimpl;
+}
+
+void Io::complete(Activity::State state)
+{
+  Activity::complete(state);
+  on_completion(*this);
 }
 
 IoPtr Io::init()
 {
- return IoPtr(new Io());
+  auto pimpl = kernel::activity::IoImplPtr(new kernel::activity::IoImpl());
+  return IoPtr(pimpl->get_iface());
 }
 
 Io* Io::start()
@@ -38,34 +46,25 @@ Io* Io::start()
   return this;
 }
 
-Io* Io::cancel()
-{
-  kernel::actor::simcall([this] { boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->cancel(); });
-  state_ = State::CANCELED;
-  on_completion(*this);
-  return this;
-}
-
-Io* Io::wait()
-{
-  return this->wait_for(-1);
-}
-
-Io* Io::wait_for(double timeout)
+ssize_t Io::wait_any_for(const std::vector<IoPtr>& ios, double timeout)
 {
-  if (state_ == State::INITED)
-    vetoable_start();
+  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::simcall_blocking([this, issuer, timeout] { this->get_impl()->wait_for(issuer, timeout); });
-  state_ = State::FINISHED;
-  this->release_dependencies();
-
-  on_completion(*this);
-  return this;
+  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;
 }
 
-IoPtr Io::set_disk(sg_disk_t disk)
+IoPtr Io::set_disk(const_sg_disk_t disk)
 {
   xbt_assert(state_ == State::INITED || state_ == State::STARTING, "Cannot set disk once the Io is started");