s4u::Exec::wait(): start the tasks on need

[simgrid.git] / src / s4u / s4u_Exec.cpp

diff --git a/src/s4u/s4u_Exec.cpp b/src/s4u/s4u_Exec.cpp
index 4c31f6f..c864b65 100644 (file)
--- a/src/s4u/s4u_Exec.cpp
+++ b/src/s4u/s4u_Exec.cpp
@@ -2,29 +2,41 @@
 
 /* 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 "xbt/log.h"
 
 #include "simgrid/s4u/Actor.hpp"
 #include "simgrid/s4u/Exec.hpp"
 #include "src/kernel/activity/ExecImpl.hpp"
+#include "xbt/log.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_exec, s4u_activity, "S4U asynchronous executions");
 
 namespace simgrid {
 namespace s4u {
+simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Exec::on_start;
+simgrid::xbt::signal<void(simgrid::s4u::ActorPtr)> s4u::Exec::on_completion;
 
 Activity* Exec::start()
 {
-  pimpl_ = simcall_execution_start(nullptr, flops_amount_, 1. / priority_, 0., host_);
-  boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(pimpl_)->setBound(bound_);
-  state_ = State::started;
+  pimpl_ = simcall_execution_start(name_, tracing_category_, flops_amount_, 1. / priority_, bound_, host_);
+  state_ = State::STARTED;
+  on_start(Actor::self());
+  return this;
+}
+
+Activity* Exec::cancel()
+{
+  simgrid::simix::simcall([this] { dynamic_cast<kernel::activity::ExecImpl*>(pimpl_.get())->cancel(); });
+  state_ = State::CANCELED;
   return this;
 }
 
 Activity* Exec::wait()
 {
+  if (state_ == State::INITED)
+    start();
   simcall_execution_wait(pimpl_);
-  state_ = State::finished;
+  state_ = State::FINISHED;
+  on_completion(Actor::self());
   return this;
 }
 
@@ -37,16 +49,16 @@ Activity* Exec::wait(double timeout)
 /** @brief Returns whether the state of the exec is finished */
 bool Exec::test()
 {
-  xbt_assert(state_ == State::inited || state_ == State::started || state_ == State::finished);
+  xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::FINISHED);
 
-  if (state_ == State::finished)
+  if (state_ == State::FINISHED)
     return true;
 
-  if (state_ == State::inited)
+  if (state_ == State::INITED)
     this->start();
 
   if (simcall_execution_test(pimpl_)) {
-    state_ = State::finished;
+    state_ = State::FINISHED;
     return true;
   }
 
@@ -61,7 +73,7 @@ bool Exec::test()
  * Currently, this cannot be changed once the exec started. */
 ExecPtr Exec::set_priority(double priority)
 {
-  xbt_assert(state_ == State::inited, "Cannot change the priority of an exec after its start");
+  xbt_assert(state_ == State::INITED, "Cannot change the priority of an exec after its start");
   priority_ = priority;
   return this;
 }
@@ -72,7 +84,7 @@ ExecPtr Exec::set_priority(double priority)
  * Currently, this cannot be changed once the exec started. */
 ExecPtr Exec::set_bound(double bound)
 {
-  xbt_assert(state_ == State::inited, "Cannot change the bound of an exec after its start");
+  xbt_assert(state_ == State::INITED, "Cannot change the bound of an exec after its start");
   bound_ = bound;
   return this;
 }
@@ -82,29 +94,50 @@ ExecPtr Exec::set_bound(double bound)
  * The activity cannot be terminated already (but it may be started). */
 ExecPtr Exec::set_host(Host* host)
 {
-  xbt_assert(state_ == State::inited || state_ == State::started,
+  xbt_assert(state_ == State::INITED || state_ == State::STARTED,
              "Cannot change the host of an exec once it's done (state: %d)", (int)state_);
-  if (state_ == State::started)
+  if (state_ == State::STARTED)
     boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(pimpl_)->migrate(host);
   host_ = host;
   return this;
 }
 
+ExecPtr Exec::set_name(std::string name)
+{
+  xbt_assert(state_ == State::INITED, "Cannot change the name of an exec after its start");
+  name_ = name;
+  return this;
+}
+
+ExecPtr Exec::set_tracing_category(std::string category)
+{
+  xbt_assert(state_ == State::INITED, "Cannot change the tracing category of an exec after its start");
+  tracing_category_ = category;
+  return this;
+}
+
 /** @brief Retrieve the host on which this activity takes place. */
 Host* Exec::get_host()
 {
   return host_;
 }
 
+/** @brief Returns the amount of flops that remain to be done */
 double Exec::get_remaining()
 {
-  return simgrid::simix::kernelImmediate(
-      [this]() { return boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(pimpl_)->remains(); });
+  return simgrid::simix::simcall(
+      [this]() { return boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(pimpl_)->get_remaining(); });
 }
-double Exec::getRemainingRatio()
+
+/** @brief Returns the ratio of elements that are still to do
+ *
+ * The returned value is between 0 (completely done) and 1 (nothing done yet).
+ */
+double Exec::get_remaining_ratio()
 {
-  return simgrid::simix::kernelImmediate(
-      [this]() { return boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(pimpl_)->remainingRatio(); });
+  return simgrid::simix::simcall([this]() {
+    return boost::static_pointer_cast<simgrid::kernel::activity::ExecImpl>(pimpl_)->get_remaining_ratio();
+  });
 }
 
 void intrusive_ptr_release(simgrid::s4u::Exec* e)