static smx_action_t SIMIX_synchro_wait(smx_host_t smx_host, double timeout)
{
+ XBT_IN("(%p, %f)",smx_host,timeout);
smx_action_t action;
action = xbt_mallocator_get(simix_global->action_mallocator);
action->type = SIMIX_ACTION_SYNCHRO;
surf_workstation_model->extension.workstation.sleep(smx_host->host, timeout);
surf_workstation_model->action_data_set(action->synchro.sleep, action);
+ XBT_OUT();
return action;
}
void SIMIX_synchro_stop_waiting(smx_process_t process, smx_req_t req)
{
+ XBT_IN("(%p, %p)",process,req);
switch (req->call) {
case REQ_MUTEX_LOCK:
default:
THROW_IMPOSSIBLE;
}
+ XBT_OUT();
}
void SIMIX_synchro_destroy(smx_action_t action)
{
+ XBT_IN("(%p)",action);
XBT_DEBUG("Destroying synchro %p", action);
action->synchro.sleep->model_type->action_unref(action->synchro.sleep);
xbt_free(action->name);
xbt_mallocator_release(simix_global->action_mallocator, action);
+ XBT_OUT();
}
void SIMIX_post_synchro(smx_action_t action)
{
+ XBT_IN("(%p)",action);
if (surf_workstation_model->action_state_get(action->synchro.sleep) == SURF_ACTION_FAILED)
action->state = SIMIX_FAILED;
else if(surf_workstation_model->action_state_get(action->synchro.sleep) == SURF_ACTION_DONE)
action->state = SIMIX_SRC_TIMEOUT;
SIMIX_synchro_finish(action);
+ XBT_OUT();
}
static void SIMIX_synchro_finish(smx_action_t action)
{
+ XBT_IN("(%p)",action);
smx_req_t req = xbt_fifo_shift(action->request_list);
switch (action->state) {
SIMIX_synchro_stop_waiting(req->issuer, req);
SIMIX_synchro_destroy(action);
SIMIX_request_answer(req);
+ XBT_OUT();
}
/*********************************** Mutex ************************************/
*/
smx_mutex_t SIMIX_mutex_init(void)
{
+ XBT_IN("()");
s_smx_process_t p; /* useful to initialize sleeping swag */
smx_mutex_t mutex = xbt_new0(s_smx_mutex_t, 1);
mutex->locked = 0;
mutex->sleeping = xbt_swag_new(xbt_swag_offset(p, synchro_hookup));
+ XBT_OUT();
return mutex;
}
*/
void SIMIX_pre_mutex_lock(smx_req_t req)
{
+ XBT_IN("(%p)",req);
/* FIXME: check where to validate the arguments */
smx_action_t sync_act = NULL;
smx_mutex_t mutex = req->mutex_lock.mutex;
mutex->owner = req->issuer;
SIMIX_request_answer(req);
}
+ XBT_OUT();
}
/**
*/
int SIMIX_mutex_trylock(smx_mutex_t mutex, smx_process_t issuer)
{
- if (mutex->locked)
- return 0;
+ XBT_IN("(%p, %p)",mutex,issuer);
+ if (mutex->locked){
+ XBT_OUT();
+ return 0;
+ }
mutex->locked = 1;
mutex->owner = issuer;
+ XBT_OUT();
return 1;
}
*/
void SIMIX_mutex_unlock(smx_mutex_t mutex, smx_process_t issuer)
{
+ XBT_IN("(%p, %p)",mutex,issuer);
smx_process_t p; /*process to wake up */
/* If the mutex is not owned by the issuer do nothing */
- if (issuer != mutex->owner)
- return;
+ if (issuer != mutex->owner){
+ XBT_OUT();
+ return;
+ }
if (xbt_swag_size(mutex->sleeping) > 0) {
p = xbt_swag_extract(mutex->sleeping);
mutex->locked = 0;
mutex->owner = NULL;
}
+ XBT_OUT();
}
/**
*/
void SIMIX_mutex_destroy(smx_mutex_t mutex)
{
+ XBT_IN("(%p)",mutex);
if (mutex){
xbt_swag_free(mutex->sleeping);
xbt_free(mutex);
}
+ XBT_OUT();
}
/********************************* Condition **********************************/
*/
smx_cond_t SIMIX_cond_init()
{
+ XBT_IN("()");
s_smx_process_t p;
smx_cond_t cond = xbt_new0(s_smx_cond_t, 1);
cond->sleeping = xbt_swag_new(xbt_swag_offset(p, synchro_hookup));
cond->mutex = NULL;
+ XBT_OUT();
return cond;
}
*/
void SIMIX_pre_cond_wait(smx_req_t req)
{
+ XBT_IN("(%p)",req);
smx_process_t issuer = req->issuer;
smx_cond_t cond = req->cond_wait.cond;
smx_mutex_t mutex = req->cond_wait.mutex;
_SIMIX_cond_wait(cond, mutex, -1, issuer, req);
+ XBT_OUT();
}
/**
*/
void SIMIX_pre_cond_wait_timeout(smx_req_t req)
{
+ XBT_IN("(%p)",req);
smx_process_t issuer = req->issuer;
smx_cond_t cond = req->cond_wait_timeout.cond;
smx_mutex_t mutex = req->cond_wait_timeout.mutex;
double timeout = req->cond_wait_timeout.timeout;
_SIMIX_cond_wait(cond, mutex, timeout, issuer, req);
+ XBT_OUT();
}
static void _SIMIX_cond_wait(smx_cond_t cond, smx_mutex_t mutex, double timeout,
smx_process_t issuer, smx_req_t req)
{
+ XBT_IN("(%p, %p, %f, %p,%p)",cond,mutex,timeout,issuer,req);
smx_action_t sync_act = NULL;
XBT_DEBUG("Wait condition %p", cond);
xbt_fifo_unshift(sync_act->request_list, req);
issuer->waiting_action = sync_act;
xbt_swag_insert(req->issuer, cond->sleeping);
+ XBT_OUT();
}
/**
*/
void SIMIX_cond_signal(smx_cond_t cond)
{
+ XBT_IN("(%p)",cond);
smx_process_t proc = NULL;
smx_mutex_t mutex = NULL;
smx_req_t req = NULL;
SIMIX_pre_mutex_lock(req);
}
+ XBT_OUT();
}
/**
*/
void SIMIX_cond_broadcast(smx_cond_t cond)
{
+ XBT_IN("(%p)",cond);
XBT_DEBUG("Broadcast condition %p", cond);
/* Signal the condition until nobody is waiting on it */
while (xbt_swag_size(cond->sleeping)) {
SIMIX_cond_signal(cond);
}
+ XBT_OUT();
}
/**
*/
void SIMIX_cond_destroy(smx_cond_t cond)
{
+ XBT_IN("(%p)",cond);
XBT_DEBUG("Destroy condition %p", cond);
if (cond != NULL) {
- xbt_assert0(xbt_swag_size(cond->sleeping) == 0,
+ xbt_assert(xbt_swag_size(cond->sleeping) == 0,
"Cannot destroy conditional since someone is still using it");
xbt_swag_free(cond->sleeping);
xbt_free(cond);
}
+ XBT_OUT();
}
/******************************** Semaphores **********************************/
/** @brief Initialize a semaphore */
smx_sem_t SIMIX_sem_init(unsigned int value)
{
+ XBT_IN("(%d)",value);
s_smx_process_t p;
smx_sem_t sem = xbt_new0(s_smx_sem_t, 1);
sem->sleeping = xbt_swag_new(xbt_swag_offset(p, synchro_hookup));
sem->value = value;
+ XBT_OUT();
return sem;
}
/** @brief Destroys a semaphore */
void SIMIX_sem_destroy(smx_sem_t sem)
{
+ XBT_IN("(%p)",sem);
XBT_DEBUG("Destroy semaphore %p", sem);
if (sem != NULL) {
- xbt_assert0(xbt_swag_size(sem->sleeping) == 0,
+ xbt_assert(xbt_swag_size(sem->sleeping) == 0,
"Cannot destroy semaphore since someone is still using it");
xbt_swag_free(sem->sleeping);
xbt_free(sem);
}
+ XBT_OUT();
}
/** @brief release the semaphore
*/
void SIMIX_sem_release(smx_sem_t sem)
{
+ XBT_IN("(%p)",sem);
smx_process_t proc;
XBT_DEBUG("Sem release semaphore %p", sem);
} else if (sem->value < SMX_SEM_NOLIMIT) {
sem->value++;
}
+ XBT_OUT();
}
/** @brief Returns true if acquiring this semaphore would block */
XBT_INLINE 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_process_t issuer,
smx_req_t req)
{
+ XBT_IN("(%p, %f, %p, %p)",sem,timeout,issuer,req);
smx_action_t sync_act = NULL;
XBT_DEBUG("Wait semaphore %p (timeout:%f)", sem, timeout);
sem->value--;
SIMIX_request_answer(req);
}
+ XBT_OUT();
}
/**
*/
void SIMIX_pre_sem_acquire(smx_req_t req)
{
+ XBT_IN("(%p)",req);
_SIMIX_sem_wait(req->sem_acquire.sem, -1, req->issuer, req);
+ XBT_OUT();
}
/**
*/
void SIMIX_pre_sem_acquire_timeout(smx_req_t req)
{
+ XBT_IN("(%p)",req);
_SIMIX_sem_wait(req->sem_acquire_timeout.sem,
req->sem_acquire_timeout.timeout, req->issuer, req);
+ XBT_OUT();
}
