X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/417ed3b671abe3a71fa4106d23d0a432084cc207..bc2253e2c879ee28ae5153f1d56497ab802aeea9:/src/mc/transition/TransitionSynchro.cpp diff --git a/src/mc/transition/TransitionSynchro.cpp b/src/mc/transition/TransitionSynchro.cpp index a93e27b5cf..f98a352af3 100644 --- a/src/mc/transition/TransitionSynchro.cpp +++ b/src/mc/transition/TransitionSynchro.cpp @@ -29,7 +29,11 @@ bool BarrierTransition::depends(const Transition* o) const if (o->type_ < type_) return o->depends(this); - if (auto* other = dynamic_cast(o)) { + // Actions executed by the same actor are always dependent + if (o->aid_ == aid_) + return true; + + if (const auto* other = dynamic_cast(o)) { if (bar_ != other->bar_) return false; @@ -63,9 +67,13 @@ bool MutexTransition::depends(const Transition* o) const if (o->type_ < type_) return o->depends(this); + // Actions executed by the same actor are always dependent + if (o->aid_ == aid_) + return true; + // type_ <= other->type_ in MUTEX_LOCK, MUTEX_TEST, MUTEX_TRYLOCK, MUTEX_UNLOCK, MUTEX_WAIT, - if (auto* other = dynamic_cast(o)) { + if (const auto* other = dynamic_cast(o)) { // Theorem 4.4.7: Any pair of synchronization actions of distinct actors concerning distinct mutexes are independent if (mutex_ != other->mutex_) return false; @@ -101,23 +109,28 @@ bool MutexTransition::depends(const Transition* o) const std::string SemaphoreTransition::to_string(bool verbose) const { if (type_ == Type::SEM_ASYNC_LOCK || type_ == Type::SEM_UNLOCK) - return xbt::string_printf("%s(semaphore: %" PRIxPTR ")", Transition::to_c_str(type_), sem_); + return xbt::string_printf("%s(semaphore: %u, capacity: %u)", Transition::to_c_str(type_), sem_, capacity_); if (type_ == Type::SEM_WAIT) - return xbt::string_printf("%s(semaphore: %" PRIxPTR ", granted: %s)", Transition::to_c_str(type_), sem_, + return xbt::string_printf("%s(semaphore: %u, capacity: %u, granted: %s)", Transition::to_c_str(type_), sem_, + capacity_, granted_ ? "yes" : "no"); THROW_IMPOSSIBLE; } SemaphoreTransition::SemaphoreTransition(aid_t issuer, int times_considered, Type type, std::stringstream& stream) : Transition(type, issuer, times_considered) { - xbt_assert(stream >> sem_ >> granted_); + xbt_assert(stream >> sem_ >> granted_ >> capacity_); } bool SemaphoreTransition::depends(const Transition* o) const { if (o->type_ < type_) return o->depends(this); - if (auto* other = dynamic_cast(o)) { + // Actions executed by the same actor are always dependent + if (o->aid_ == aid_) + return true; + + if (const auto* other = dynamic_cast(o)) { if (sem_ != other->sem_) return false; @@ -134,6 +147,10 @@ bool SemaphoreTransition::depends(const Transition* o) const if (type_ == Type::SEM_UNLOCK && other->type_ == Type::SEM_UNLOCK) return false; + // UNLCOK indep with a WAIT if the semaphore had enought capacity anyway + if (type_ == Type::SEM_UNLOCK && capacity_ > 1 && other->type_ == Type::SEM_WAIT ) + return false; + // WAIT indep WAIT: // if both enabled (may happen in the initial value is sufficient), the ordering has no impact on the result. // If only one enabled, the other won't be enabled by the first one. @@ -141,6 +158,7 @@ bool SemaphoreTransition::depends(const Transition* o) const if (type_ == Type::SEM_WAIT && other->type_ == Type::SEM_WAIT) return false; + return true; // Other semaphore cases are dependent }