Update copyright lines for 2023.

[simgrid.git] / src / s4u / s4u_ConditionVariable.cpp

diff --git a/src/s4u/s4u_ConditionVariable.cpp b/src/s4u/s4u_ConditionVariable.cpp
index 4d053ae..db0e182 100644 (file)
--- a/src/s4u/s4u_ConditionVariable.cpp
+++ b/src/s4u/s4u_ConditionVariable.cpp
@@ -1,23 +1,25 @@
-/* Copyright (c) 2006-2018. 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. */
 
-#include "simgrid/s4u/ConditionVariable.hpp"
-#include "simgrid/simix.h"
+#include <simgrid/cond.h>
+#include <simgrid/s4u/ConditionVariable.hpp>
+#include <xbt/log.h>
+
+#include "src/kernel/activity/ActivityImpl.hpp"
 #include "src/kernel/activity/ConditionVariableImpl.hpp"
-#include "xbt/log.hpp"
+#include "src/kernel/actor/SimcallObserver.hpp"
 
-#include <exception>
 #include <mutex>
 
-namespace simgrid {
-namespace s4u {
+namespace simgrid::s4u {
 
 ConditionVariablePtr ConditionVariable::create()
 {
-  smx_cond_t cond = simcall_cond_init();
-  return ConditionVariablePtr(&cond->cond_, false);
+  kernel::activity::ConditionVariableImpl* cond =
+      kernel::actor::simcall_answered([] { return new kernel::activity::ConditionVariableImpl(); });
+  return ConditionVariablePtr(cond->get_iface(), false);
 }
 
 /**
@@ -25,21 +27,32 @@ ConditionVariablePtr ConditionVariable::create()
  */
 void ConditionVariable::wait(MutexPtr lock)
 {
-  simcall_cond_wait(cond_, lock->pimpl_);
+  kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
+  kernel::actor::ConditionWaitSimcall observer{issuer, pimpl_, lock->pimpl_};
+  kernel::actor::simcall_blocking(
+      [&observer] { observer.get_cond()->wait(observer.get_mutex(), -1.0, observer.get_issuer()); }, &observer);
 }
 
-void ConditionVariable::wait(std::unique_lock<Mutex>& lock)
+void ConditionVariable::wait(const std::unique_lock<Mutex>& lock)
 {
-  simcall_cond_wait(cond_, lock.mutex()->pimpl_);
+  kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
+  kernel::actor::ConditionWaitSimcall observer{issuer, pimpl_, lock.mutex()->pimpl_};
+  kernel::actor::simcall_blocking(
+      [&observer] { observer.get_cond()->wait(observer.get_mutex(), -1.0, observer.get_issuer()); }, &observer);
 }
 
-std::cv_status s4u::ConditionVariable::wait_for(std::unique_lock<Mutex>& lock, double timeout)
+std::cv_status s4u::ConditionVariable::wait_for(const std::unique_lock<Mutex>& lock, double timeout)
 {
   // The simcall uses -1 for "any timeout" but we don't want this:
   if (timeout < 0)
     timeout = 0.0;
 
-  if (simcall_cond_wait_timeout(cond_, lock.mutex()->pimpl_, timeout)) {
+  kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
+  kernel::actor::ConditionWaitSimcall observer{issuer, pimpl_, lock.mutex()->pimpl_, timeout};
+  bool timed_out = kernel::actor::simcall_blocking(
+      [&observer] { observer.get_cond()->wait(observer.get_mutex(), observer.get_timeout(), observer.get_issuer()); },
+      &observer);
+  if (timed_out) {
     // If we reached the timeout, we have to take the lock again:
     lock.mutex()->lock();
     return std::cv_status::timeout;
@@ -48,9 +61,9 @@ std::cv_status s4u::ConditionVariable::wait_for(std::unique_lock<Mutex>& lock, d
   }
 }
 
-std::cv_status ConditionVariable::wait_until(std::unique_lock<Mutex>& lock, double timeout_time)
+std::cv_status ConditionVariable::wait_until(const std::unique_lock<Mutex>& lock, double timeout_time)
 {
-  double now = SIMIX_get_clock();
+  double now = Engine::get_clock();
   double timeout;
   if (timeout_time < now)
     timeout = 0.0;
@@ -64,23 +77,54 @@ std::cv_status ConditionVariable::wait_until(std::unique_lock<Mutex>& lock, doub
  */
 void ConditionVariable::notify_one()
 {
-  simgrid::simix::simcall([this]() { cond_->signal(); });
+  simgrid::kernel::actor::simcall_answered([this]() { pimpl_->signal(); });
 }
 
 void ConditionVariable::notify_all()
 {
-  simgrid::simix::simcall([this]() { cond_->broadcast(); });
+  simgrid::kernel::actor::simcall_answered([this]() { pimpl_->broadcast(); });
+}
+
+void intrusive_ptr_add_ref(const ConditionVariable* cond)
+{
+  intrusive_ptr_add_ref(cond->pimpl_);
+}
+
+void intrusive_ptr_release(const ConditionVariable* cond)
+{
+  intrusive_ptr_release(cond->pimpl_);
 }
 
-void intrusive_ptr_add_ref(ConditionVariable* cond)
+} // namespace simgrid::s4u
+
+/* **************************** Public C interface *************************** */
+sg_cond_t sg_cond_init()
 {
-  intrusive_ptr_add_ref(cond->cond_);
+  return simgrid::s4u::ConditionVariable::create().detach();
 }
 
-void intrusive_ptr_release(ConditionVariable* cond)
+void sg_cond_wait(sg_cond_t cond, sg_mutex_t mutex)
 {
-  intrusive_ptr_release(cond->cond_);
+  cond->wait(mutex);
 }
 
-} // namespace s4u
-} // namespace simgrid
+int sg_cond_wait_for(sg_cond_t cond, sg_mutex_t mutex, double delay)
+{
+  std::unique_lock lock(*mutex);
+  return cond->wait_for(lock, delay) == std::cv_status::timeout;
+}
+
+void sg_cond_notify_one(sg_cond_t cond)
+{
+  cond->notify_one();
+}
+
+void sg_cond_notify_all(sg_cond_t cond)
+{
+  cond->notify_all();
+}
+
+void sg_cond_destroy(const_sg_cond_t cond)
+{
+  intrusive_ptr_release(cond);
+}