#include "simgrid/s4u/Host.hpp"
#include "src/kernel/activity/CommImpl.hpp"
#include "src/kernel/activity/MailboxImpl.hpp"
-#include "src/kernel/activity/MutexImpl.hpp"
#include "src/kernel/actor/ActorImpl.hpp"
#include "src/mc/mc_config.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_observer, mc, "Logging specific to MC simcall observation");
-namespace simgrid {
-namespace kernel {
-namespace actor {
+namespace simgrid::kernel::actor {
-void SimcallObserver::serialize(std::stringstream& stream) const
-{
- stream << (short)mc::Transition::Type::UNKNOWN;
-}
-bool SimcallObserver::depends(SimcallObserver* other)
-{
- THROW_UNIMPLEMENTED;
-}
-/* Random is only dependent when issued by the same actor (ie, always independent) */
-bool RandomSimcall::depends(SimcallObserver* other)
-{
- return get_issuer() == other->get_issuer();
-}
void RandomSimcall::serialize(std::stringstream& stream) const
{
stream << (short)mc::Transition::Type::RANDOM << ' ';
stream << min_ << ' ' << max_;
}
-bool MutexSimcall::depends(SimcallObserver* other)
-{
- if (dynamic_cast<RandomSimcall*>(other) != nullptr)
- return other->depends(this); /* Other is random, that is very permissive. Use that relation instead. */
-
-#if 0 /* This code is currently broken and shouldn't be used. We must implement asynchronous locks before */
- MutexSimcall* that = dynamic_cast<MutexSimcall*>(other);
- if (that == nullptr)
- return true; // Depends on anything we don't know
-
- /* Theorem 4.4.7: Any pair of synchronization actions of distinct actors concerning distinct mutexes are independent */
- if (this->get_issuer() != that->get_issuer() && this->get_mutex() != that->get_mutex())
- return false;
-
- /* Theorem 4.4.8 An AsyncMutexLock is independent with a MutexUnlock of another actor */
- if (((dynamic_cast<MutexLockSimcall*>(this) != nullptr && dynamic_cast<MutexUnlockSimcall*>(that)) ||
- (dynamic_cast<MutexLockSimcall*>(that) != nullptr && dynamic_cast<MutexUnlockSimcall*>(this))) &&
- get_issuer() != other->get_issuer())
- return false;
-#endif
- return true; // Depend on things we don't know for sure that they are independent
-}
-
void RandomSimcall::prepare(int times_considered)
{
next_value_ = min_ + times_considered;
XBT_DEBUG("MC_RANDOM(%d, %d) will return %d after %d times", min_, max_, next_value_, times_considered);
}
-int RandomSimcall::get_max_consider()
+int RandomSimcall::get_max_consider() const
{
return max_ - min_ + 1;
}
-/*
-std::string MutexLockSimcall::to_string(int times_considered) const
-{
- auto mutex = get_mutex();
- std::string res = SimcallObserver::to_string(times_considered) + (blocking_ ? "Mutex LOCK" : "Mutex TRYLOCK");
- res += "(locked = " + std::to_string(mutex->is_locked());
- res += ", owner = " + std::to_string(mutex->get_owner() ? mutex->get_owner()->get_pid() : -1);
- res += ", sleeping = n/a)";
- return res;
-}*/
-
-bool MutexLockSimcall::is_enabled()
-{
- return not blocking_ || get_mutex()->get_owner() == nullptr || get_mutex()->get_owner() == get_issuer();
-}
-
bool ConditionWaitSimcall::is_enabled()
{
- static bool warned = false;
- if (not warned) {
+ if (static bool warned = false; not warned) {
XBT_INFO("Using condition variables in model-checked code is still experimental. Use at your own risk");
warned = true;
}
return true;
}
-
-bool SemAcquireSimcall::is_enabled()
+void ConditionWaitSimcall::serialize(std::stringstream& stream) const
{
- static bool warned = false;
- if (not warned) {
- XBT_INFO("Using semaphore in model-checked code is still experimental. Use at your own risk");
- warned = true;
- }
- return true;
+ THROW_UNIMPLEMENTED;
}
-} // namespace actor
-} // namespace kernel
-} // namespace simgrid
+ActorJoinSimcall::ActorJoinSimcall(ActorImpl* actor, ActorImpl* other, double timeout)
+ : SimcallObserver(actor), other_(s4u::ActorPtr(other->get_iface())), timeout_(timeout)
+{
+}
+bool ActorJoinSimcall::is_enabled()
+{
+ return other_->get_impl()->wannadie();
+}
+void ActorJoinSimcall::serialize(std::stringstream& stream) const
+{
+ stream << (short)mc::Transition::Type::ACTOR_JOIN << ' ';
+ stream << other_->get_pid() << ' ' << (timeout_ > 0);
+}
+} // namespace simgrid::kernel::actor
