X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b372d23d3d8818b4547ef207f43b45709298a002..c8c2ca62f763f7872f2cecb38531705ed526fd5b:/src/s4u/s4u_Exec.cpp

diff --git a/src/s4u/s4u_Exec.cpp b/src/s4u/s4u_Exec.cpp
index 9bbf840f50..51c7408a6a 100644
--- a/src/s4u/s4u_Exec.cpp
+++ b/src/s4u/s4u_Exec.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2020. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2021. 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. */
@@ -8,6 +8,8 @@
 #include "simgrid/s4u/Actor.hpp"
 #include "simgrid/s4u/Exec.hpp"
 #include "src/kernel/activity/ExecImpl.hpp"
+#include "src/kernel/actor/ActorImpl.hpp"
+#include "src/kernel/actor/SimcallObserver.hpp"
 #include "xbt/log.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_exec, s4u_activity, "S4U asynchronous executions");
@@ -17,9 +19,15 @@ namespace s4u {
 xbt::signal<void(Exec const&)> Exec::on_start;
 xbt::signal<void(Exec const&)> Exec::on_completion;
 
-Exec::Exec()
+Exec::Exec(kernel::activity::ExecImplPtr pimpl)
 {
-  pimpl_ = kernel::activity::ExecImplPtr(new kernel::activity::ExecImpl());
+  pimpl_ = pimpl;
+}
+
+ExecPtr Exec::init()
+{
+  auto pimpl = kernel::activity::ExecImplPtr(new kernel::activity::ExecImpl());
+  return ExecPtr(pimpl->get_iface());
 }
 
 Exec* Exec::wait()
@@ -32,8 +40,8 @@ Exec* Exec::wait_for(double timeout)
   if (state_ == State::INITED)
     vetoable_start();
 
-  kernel::actor::ActorImpl* issuer = Actor::self()->get_impl();
-  kernel::actor::simcall_blocking<void>([this, issuer, timeout] { this->get_impl()->wait_for(issuer, timeout); });
+  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;
   on_completion(*this);
   this->release_dependencies();
@@ -46,9 +54,17 @@ int Exec::wait_any_for(std::vector<ExecPtr>* execs, double timeout)
   std::transform(begin(*execs), end(*execs), begin(rexecs),
                  [](const ExecPtr& exec) { return static_cast<kernel::activity::ExecImpl*>(exec->pimpl_.get()); });
 
-  int changed_pos = simcall_execution_waitany_for(rexecs.data(), rexecs.size(), timeout);
-  if (changed_pos != -1)
+  kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
+  kernel::actor::ExecutionWaitanySimcall observer{issuer, &rexecs, timeout};
+  int changed_pos = kernel::actor::simcall_blocking(
+      [&observer] {
+        kernel::activity::ExecImpl::wait_any_for(observer.get_issuer(), observer.get_execs(), observer.get_timeout());
+      },
+      &observer);
+  if (changed_pos != -1) {
+    on_completion(*(execs->at(changed_pos)));
     execs->at(changed_pos)->release_dependencies();
+  }
   return changed_pos;
 }
 
@@ -56,6 +72,7 @@ Exec* Exec::cancel()
 {
   kernel::actor::simcall([this] { boost::static_pointer_cast<kernel::activity::ExecImpl>(pimpl_)->cancel(); });
   state_ = State::CANCELED;
+  on_completion(*this);
   return this;
 }
 
@@ -65,20 +82,23 @@ Exec* Exec::cancel()
  */
 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 || state_ == State::STARTING,
+      "Cannot change the bound of an exec after its start");
   bound_ = bound;
   return this;
 }
 ExecPtr Exec::set_timeout(double timeout) // XBT_ATTRIB_DEPRECATED_v329
 {
-  xbt_assert(state_ == State::INITED, "Cannot change the bound of an exec after its start");
+  xbt_assert(state_ == State::INITED|| state_ == State::STARTING,
+      "Cannot change the bound of an exec after its start");
   timeout_ = timeout;
   return this;
 }
 
 ExecPtr Exec::set_flops_amount(double flops_amount)
 {
-  xbt_assert(state_ == State::INITED, "Cannot change the flop_amount of an exec after its start");
+  xbt_assert(state_ == State::INITED || state_ == State::STARTING,
+      "Cannot change the flop_amount of an exec after its start");
   flops_amounts_.assign(1, flops_amount);
   Activity::set_remaining(flops_amounts_.front());
   return this;
@@ -86,7 +106,8 @@ ExecPtr Exec::set_flops_amount(double flops_amount)
 
 ExecPtr Exec::set_flops_amounts(const std::vector<double>& flops_amounts)
 {
-  xbt_assert(state_ == State::INITED, "Cannot change the flops_amounts of an exec after its start");
+  xbt_assert(state_ == State::INITED || state_ == State::STARTING,
+      "Cannot change the flops_amounts of an exec after its start");
   flops_amounts_ = flops_amounts;
   parallel_      = true;
   return this;
@@ -94,7 +115,8 @@ ExecPtr Exec::set_flops_amounts(const std::vector<double>& flops_amounts)
 
 ExecPtr Exec::set_bytes_amounts(const std::vector<double>& bytes_amounts)
 {
-  xbt_assert(state_ == State::INITED, "Cannot change the bytes_amounts of an exec after its start");
+  xbt_assert(state_ == State::INITED || state_ == State::STARTING,
+      "Cannot change the bytes_amounts of an exec after its start");
   bytes_amounts_ = bytes_amounts;
   parallel_      = true;
   return this;
@@ -111,14 +133,6 @@ unsigned int Exec::get_host_number() const
 {
   return static_cast<kernel::activity::ExecImpl*>(pimpl_.get())->get_host_number();
 }
-double Exec::get_start_time() const
-{
-  return (pimpl_->surf_action_ == nullptr) ? -1 : pimpl_->surf_action_->get_start_time();
-}
-double Exec::get_finish_time() const
-{
-  return (pimpl_->surf_action_ == nullptr) ? -1 : pimpl_->surf_action_->get_finish_time();
-}
 double Exec::get_cost() const
 {
   return (pimpl_->surf_action_ == nullptr) ? -1 : pimpl_->surf_action_->get_cost();
@@ -142,23 +156,37 @@ ExecPtr Exec::set_priority(double priority)
  * 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::STARTING || state_ == State::STARTED,
              "Cannot change the host of an exec once it's done (state: %d)", (int)state_);
+  hosts_.assign(1, host);
+
   if (state_ == State::STARTED)
     boost::static_pointer_cast<kernel::activity::ExecImpl>(pimpl_)->migrate(host);
+
   boost::static_pointer_cast<kernel::activity::ExecImpl>(pimpl_)->set_host(host);
+
+  if (state_ == State::STARTING)
+  // Setting the host may allow to start the activity, let's try
+    vetoable_start();
+
   return this;
 }
 
 ExecPtr Exec::set_hosts(const std::vector<Host*>& hosts)
 {
-  xbt_assert(state_ == State::INITED, "Cannot change the hosts of an exec once it's done (state: %d)", (int)state_);
+  xbt_assert(state_ == State::INITED || state_ == State::STARTING,
+      "Cannot change the hosts of an exec once it's done (state: %d)", (int)state_);
+
   hosts_    = hosts;
   parallel_ = true;
+
+  // Setting the host may allow to start the activity, let's try
+  if (state_ == State::STARTING)
+     vetoable_start();
+
   return this;
 }
 
-///////////// SEQUENTIAL EXECUTIONS ////////
 Exec* Exec::start()
 {
   if (is_parallel())
@@ -185,6 +213,7 @@ Exec* Exec::start()
     pimpl_->suspend();
 
   state_ = State::STARTED;
+  start_time_ = pimpl_->surf_action_->get_start_time();
   on_start(*this);
   return this;
 }
@@ -215,6 +244,7 @@ double Exec::get_remaining_ratio() const
 
 } // namespace s4u
 } // namespace simgrid
+
 /* **************************** Public C interface *************************** */
 void sg_exec_set_bound(sg_exec_t exec, double bound)
 {
@@ -248,7 +278,7 @@ double sg_exec_get_remaining_ratio(const_sg_exec_t exec)
 
 void sg_exec_start(sg_exec_t exec)
 {
-  exec->start();
+  exec->vetoable_start();
 }
 
 void sg_exec_cancel(sg_exec_t exec)