X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3c577108db894482442eff9fb2786c8fd225e440..83f28c874af4faaeaaa19571afc2cd52c801da39:/src/simix/smx_synchro.cpp diff --git a/src/simix/smx_synchro.cpp b/src/simix/smx_synchro.cpp index 4658773cdd..0cd3b01a9d 100644 --- a/src/simix/smx_synchro.cpp +++ b/src/simix/smx_synchro.cpp @@ -5,6 +5,7 @@ #include "src/kernel/activity/ConditionVariableImpl.hpp" #include "src/kernel/activity/MutexImpl.hpp" +#include "src/kernel/activity/SemaphoreImpl.hpp" #include "src/kernel/activity/SynchroRaw.hpp" #include "src/kernel/context/Context.hpp" #include "src/simix/smx_synchro_private.hpp" @@ -45,11 +46,11 @@ void SIMIX_synchro_stop_waiting(smx_actor_t process, smx_simcall_t simcall) break; case SIMCALL_SEM_ACQUIRE: - simgrid::xbt::intrusive_erase(simcall_sem_acquire__get__sem(simcall)->sleeping, *process); + simgrid::xbt::intrusive_erase(simcall_sem_acquire__get__sem(simcall)->sleeping_, *process); break; case SIMCALL_SEM_ACQUIRE_TIMEOUT: - simgrid::xbt::intrusive_erase(simcall_sem_acquire_timeout__get__sem(simcall)->sleeping, *process); + simgrid::xbt::intrusive_erase(simcall_sem_acquire_timeout__get__sem(simcall)->sleeping_, *process); simcall_sem_acquire_timeout__set__result(simcall, 1); // signal a timeout break; @@ -58,109 +59,3 @@ void SIMIX_synchro_stop_waiting(smx_actor_t process, smx_simcall_t simcall) } XBT_OUT(); } - -void SIMIX_synchro_finish(smx_activity_t synchro) -{ - XBT_IN("(%p)", synchro.get()); - smx_simcall_t simcall = synchro->simcalls_.front(); - synchro->simcalls_.pop_front(); - - if (synchro->state_ != SIMIX_SRC_TIMEOUT) { - if (synchro->state_ == SIMIX_FAILED) - simcall->issuer->context_->iwannadie = true; - else - THROW_IMPOSSIBLE; - } - - SIMIX_synchro_stop_waiting(simcall->issuer, simcall); - simcall->issuer->waiting_synchro = nullptr; - SIMIX_simcall_answer(simcall); - XBT_OUT(); -} - -/******************************** Semaphores **********************************/ -/** @brief Initialize a semaphore */ -smx_sem_t SIMIX_sem_init(unsigned int value) -{ - XBT_IN("(%u)",value); - smx_sem_t sem = new s_smx_sem_t; - sem->value = value; - XBT_OUT(); - return sem; -} - -/** @brief release the semaphore - * - * Unlock a process waiting on the semaphore. - * If no one was blocked, the semaphore capacity is increased by 1. - */ -void SIMIX_sem_release(smx_sem_t sem) -{ - XBT_IN("(%p)",sem); - XBT_DEBUG("Sem release semaphore %p", sem); - if (not sem->sleeping.empty()) { - auto& proc = sem->sleeping.front(); - sem->sleeping.pop_front(); - proc.waiting_synchro = nullptr; - SIMIX_simcall_answer(&proc.simcall); - } else { - sem->value++; - } - XBT_OUT(); -} - -/** @brief Returns true if acquiring this semaphore would block */ -int SIMIX_sem_would_block(smx_sem_t sem) -{ - XBT_IN("(%p)",sem); - XBT_OUT(); - return (sem->value <= 0); -} - -/** @brief Returns the current capacity of the semaphore */ -int SIMIX_sem_get_capacity(smx_sem_t sem) -{ - XBT_IN("(%p)",sem); - XBT_OUT(); - return sem->value; -} - -static void _SIMIX_sem_wait(smx_sem_t sem, double timeout, smx_actor_t issuer, - smx_simcall_t simcall) -{ - XBT_IN("(%p, %f, %p, %p)",sem,timeout,issuer,simcall); - smx_activity_t synchro = nullptr; - - XBT_DEBUG("Wait semaphore %p (timeout:%f)", sem, timeout); - if (sem->value <= 0) { - synchro = SIMIX_synchro_wait(issuer->host_, timeout); - synchro->simcalls_.push_front(simcall); - issuer->waiting_synchro = synchro; - sem->sleeping.push_back(*issuer); - } else { - sem->value--; - SIMIX_simcall_answer(simcall); - } - XBT_OUT(); -} - -/** - * @brief Handles a sem acquire simcall without timeout. - */ -void simcall_HANDLER_sem_acquire(smx_simcall_t simcall, smx_sem_t sem) -{ - XBT_IN("(%p)",simcall); - _SIMIX_sem_wait(sem, -1, simcall->issuer, simcall); - XBT_OUT(); -} - -/** - * @brief Handles a sem acquire simcall with timeout. - */ -void simcall_HANDLER_sem_acquire_timeout(smx_simcall_t simcall, smx_sem_t sem, double timeout) -{ - XBT_IN("(%p)",simcall); - simcall_sem_acquire_timeout__set__result(simcall, 0); // default result, will be set to 1 on timeout - _SIMIX_sem_wait(sem, timeout, simcall->issuer, simcall); - XBT_OUT(); -}