X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/04ac83f8e0edcc8dc577c4d28c8c419bc46abd5b..2e60fe3cfd5cf5305888fcca0ae19700d808bb23:/src/s4u/s4u_Io.cpp

diff --git a/src/s4u/s4u_Io.cpp b/src/s4u/s4u_Io.cpp
index 8f1f764685..73149eb614 100644
--- a/src/s4u/s4u_Io.cpp
+++ b/src/s4u/s4u_Io.cpp
@@ -1,4 +1,4 @@
-/* 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. */
@@ -9,8 +9,6 @@
 #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 {
 
@@ -58,29 +56,37 @@ 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;
+  if (state_ == State::INITED)
+    vetoable_start();
+  simcall_io_wait(pimpl_, timeout);
+  state_ = State::FINISHED;
+  this->release_dependencies();
+  return this;
 }
 
 bool Io::test()
 {
-  xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::FINISHED);
+  xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::STARTING ||
+             state_ == State::FINISHED);
 
   if (state_ == State::FINISHED)
     return true;
 
-  if (state_ == State::INITED)
-    this->start();
+  if (state_ == State::INITED || state_ == State::STARTING)
+    this->vetoable_start();
 
-  THROW_UNIMPLEMENTED;
+  if (simcall_io_test(pimpl_)) {
+    state_ = State::FINISHED;
+    this->release_dependencies();
+    return true;
+  }
 
-  // return false
+  return false;
 }
 
 /** @brief Returns the amount of flops that remain to be done */
@@ -96,17 +102,5 @@ sg_size_t Io::get_performed_ioops()
       [this]() { return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_performed_ioops(); });
 }
 
-void intrusive_ptr_release(simgrid::s4u::Io* i)
-{
-  if (i->refcount_.fetch_sub(1, std::memory_order_release) == 1) {
-    std::atomic_thread_fence(std::memory_order_acquire);
-    delete i;
-  }
-}
-
-void intrusive_ptr_add_ref(simgrid::s4u::Io* i)
-{
-  i->refcount_.fetch_add(1, std::memory_order_relaxed);
-}
 } // namespace s4u
 } // namespace simgrid