New function s4u::Mutex::get_owner()

[simgrid.git] / src / s4u / s4u_Mutex.cpp

diff --git a/src/s4u/s4u_Mutex.cpp b/src/s4u/s4u_Mutex.cpp
index 3fca4c4..e2cc10d 100644 (file)
--- a/src/s4u/s4u_Mutex.cpp
+++ b/src/s4u/s4u_Mutex.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2022. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2023. 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. */
@@ -6,12 +6,12 @@
 #include <simgrid/modelchecker.h>
 #include <simgrid/mutex.h>
 #include <simgrid/s4u/Mutex.hpp>
-#include <src/kernel/activity/MutexImpl.hpp>
-#include <src/kernel/actor/SynchroObserver.hpp>
-#include <src/mc/mc_replay.hpp>
 
-namespace simgrid {
-namespace s4u {
+#include "src/kernel/activity/MutexImpl.hpp"
+#include "src/kernel/actor/SynchroObserver.hpp"
+#include "src/mc/mc_replay.hpp"
+
+namespace simgrid::s4u {
 
 /** @brief Blocks the calling actor until the mutex can be obtained */
 void Mutex::lock()
@@ -19,12 +19,12 @@ void Mutex::lock()
   kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
 
   if (MC_is_active() || MC_record_replay_is_active()) { // Split in 2 simcalls for transition persistency
-    kernel::actor::MutexObserver lock_observer{issuer, mc::Transition::Type::MUTEX_LOCK, pimpl_};
-    auto acquisition = kernel::actor::simcall([issuer, this] { return pimpl_->lock_async(issuer); }, &lock_observer);
+    kernel::actor::MutexObserver lock_observer{issuer, mc::Transition::Type::MUTEX_ASYNC_LOCK, pimpl_};
+    auto acquisition =
+        kernel::actor::simcall_answered([issuer, this] { return pimpl_->lock_async(issuer); }, &lock_observer);
 
     kernel::actor::MutexObserver wait_observer{issuer, mc::Transition::Type::MUTEX_WAIT, pimpl_};
-    kernel::actor::simcall_blocking([issuer, acquisition] { return acquisition->wait_for(issuer, -1); },
-                                    &wait_observer);
+    kernel::actor::simcall_blocking([issuer, &acquisition] { acquisition->wait_for(issuer, -1); }, &wait_observer);
 
   } else { // Do it in one simcall only
     kernel::actor::simcall_blocking([issuer, this] { pimpl_->lock_async(issuer)->wait_for(issuer, -1); });
@@ -39,7 +39,7 @@ void Mutex::unlock()
 {
   kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
   kernel::actor::MutexObserver observer{issuer, mc::Transition::Type::MUTEX_UNLOCK, pimpl_};
-  kernel::actor::simcall([this, issuer] { this->pimpl_->unlock(issuer); }, &observer);
+  kernel::actor::simcall_answered([this, issuer] { this->pimpl_->unlock(issuer); }, &observer);
 }
 
 /** @brief Acquire the mutex if it's free, and return false (without blocking) if not */
@@ -47,20 +47,28 @@ bool Mutex::try_lock()
 {
   kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
   kernel::actor::MutexObserver observer{issuer, mc::Transition::Type::MUTEX_TRYLOCK, pimpl_};
-  return kernel::actor::simcall([&observer] { return observer.get_mutex()->try_lock(observer.get_issuer()); },
-                                &observer);
+  return kernel::actor::simcall_answered([&observer] { return observer.get_mutex()->try_lock(observer.get_issuer()); },
+                                         &observer);
 }
 
 /** @brief Create a new mutex
  *
  * See @ref s4u_raii.
  */
-MutexPtr Mutex::create()
+MutexPtr Mutex::create(bool recursive)
 {
-  auto* mutex = new kernel::activity::MutexImpl();
+  auto* mutex = new kernel::activity::MutexImpl(recursive);
   return MutexPtr(&mutex->mutex(), false);
 }
 
+Actor* Mutex::get_owner()
+{
+  auto* owner = pimpl_->get_owner();
+  if (owner == nullptr)
+    return nullptr;
+  return owner->get_ciface();
+}
+
 /* refcounting of the intrusive_ptr is delegated to the implementation object */
 void intrusive_ptr_add_ref(const Mutex* mutex)
 {
@@ -71,8 +79,7 @@ void intrusive_ptr_release(const Mutex* mutex)
   intrusive_ptr_release(mutex->pimpl_);
 }
 
-} // namespace s4u
-} // namespace simgrid
+} // namespace simgrid::s4u
 
 /* **************************** Public C interface *************************** */
 sg_mutex_t sg_mutex_init()