/* 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 "private.h"
+#include "smx_private.h"
#include "xbt/log.h"
static smx_action_t SIMIX_synchro_wait(smx_host_t smx_host, double timeout);
static void SIMIX_synchro_finish(smx_action_t action);
static void _SIMIX_cond_wait(smx_cond_t cond, smx_mutex_t mutex, double timeout,
- smx_process_t issuer, smx_req_t req);
+ smx_process_t issuer, smx_simcall_t simcall);
static void _SIMIX_sem_wait(smx_sem_t sem, double timeout, smx_process_t issuer,
- smx_req_t req);
-static void SIMIX_sem_block_onto(smx_sem_t sem);
+ smx_simcall_t simcall);
/***************************** Synchro action *********************************/
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)
+void SIMIX_synchro_stop_waiting(smx_process_t process, smx_simcall_t simcall)
{
- switch (req->call) {
+ XBT_IN("(%p, %p)",process,simcall);
+ switch (simcall->call) {
- case REQ_MUTEX_LOCK:
- xbt_swag_remove(process, req->mutex_lock.mutex->sleeping);
+ case SIMCALL_MUTEX_LOCK:
+ xbt_swag_remove(process, simcall->mutex_lock.mutex->sleeping);
break;
- case REQ_COND_WAIT:
- xbt_swag_remove(process, req->cond_wait.cond->sleeping);
+ case SIMCALL_COND_WAIT:
+ xbt_swag_remove(process, simcall->cond_wait.cond->sleeping);
break;
- case REQ_COND_WAIT_TIMEOUT:
- xbt_swag_remove(process, req->cond_wait_timeout.cond->sleeping);
+ case SIMCALL_COND_WAIT_TIMEOUT:
+ xbt_swag_remove(process, simcall->cond_wait_timeout.cond->sleeping);
break;
- case REQ_SEM_ACQUIRE:
- xbt_swag_remove(process, req->sem_acquire.sem->sleeping);
+ case SIMCALL_SEM_ACQUIRE:
+ xbt_swag_remove(process, simcall->sem_acquire.sem->sleeping);
break;
- case REQ_SEM_ACQUIRE_TIMEOUT:
- xbt_swag_remove(process, req->sem_acquire_timeout.sem->sleeping);
+ case SIMCALL_SEM_ACQUIRE_TIMEOUT:
+ xbt_swag_remove(process, simcall->sem_acquire_timeout.sem->sleeping);
break;
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)
{
- smx_req_t req = xbt_fifo_shift(action->request_list);
+ XBT_IN("(%p)",action);
+ smx_simcall_t simcall = xbt_fifo_shift(action->simcalls);
switch (action->state) {
case SIMIX_SRC_TIMEOUT:
- TRY {
- THROWF(timeout_error, 0, "Synchro's wait timeout");
- } CATCH(req->issuer->running_ctx->exception) {
- req->issuer->doexception = 1;
- }
+ SMX_EXCEPTION(simcall->issuer, timeout_error, 0, "Synchro's wait timeout");
break;
case SIMIX_FAILED:
- TRY {
- THROWF(host_error, 0, "Host failed");
- } CATCH(req->issuer->running_ctx->exception) {
- req->issuer->doexception = 1;
- }
+ simcall->issuer->context->iwannadie = 1;
+// SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
break;
default:
break;
}
- SIMIX_synchro_stop_waiting(req->issuer, req);
+ SIMIX_synchro_stop_waiting(simcall->issuer, simcall);
+ simcall->issuer->waiting_action = NULL;
SIMIX_synchro_destroy(action);
- SIMIX_request_answer(req);
+ SIMIX_simcall_answer(simcall);
+ 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;
}
/**
- * \brief Handle mutex lock request
- * \param req The request
+ * \brief Handles a mutex lock simcall.
+ * \param simcall the simcall
*/
-void SIMIX_pre_mutex_lock(smx_req_t req)
+void SIMIX_pre_mutex_lock(smx_simcall_t simcall)
{
+ XBT_IN("(%p)",simcall);
/* FIXME: check where to validate the arguments */
smx_action_t sync_act = NULL;
- smx_mutex_t mutex = req->mutex_lock.mutex;
- smx_process_t process = req->issuer;
+ smx_mutex_t mutex = simcall->mutex_lock.mutex;
+ smx_process_t process = simcall->issuer;
if (mutex->locked) {
/* FIXME: check if the host is active ? */
/* Somebody using the mutex, use a synchro action to get host failures */
sync_act = SIMIX_synchro_wait(process->smx_host, -1);
- xbt_fifo_push(sync_act->request_list, req);
- req->issuer->waiting_action = sync_act;
- xbt_swag_insert(req->issuer, mutex->sleeping);
+ xbt_fifo_push(sync_act->simcalls, simcall);
+ simcall->issuer->waiting_action = sync_act;
+ xbt_swag_insert(simcall->issuer, mutex->sleeping);
} else {
/* mutex free */
mutex->locked = 1;
- mutex->owner = req->issuer;
- SIMIX_request_answer(req);
+ mutex->owner = simcall->issuer;
+ SIMIX_simcall_answer(simcall);
}
+ XBT_OUT();
}
/**
*/
int SIMIX_mutex_trylock(smx_mutex_t mutex, smx_process_t issuer)
{
- if (mutex->locked)
+ 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)
+ if (issuer != mutex->owner){
+ XBT_OUT();
return;
+ }
if (xbt_swag_size(mutex->sleeping) > 0) {
p = xbt_swag_extract(mutex->sleeping);
SIMIX_synchro_destroy(p->waiting_action);
p->waiting_action = NULL;
mutex->owner = p;
- SIMIX_request_answer(&p->request);
+ SIMIX_simcall_answer(&p->simcall);
} else {
/* nobody to wake up */
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;
}
/**
- * \brief Handle condition waiting requests without timeouts
- * \param The request
+ * \brief Handle a condition waiting simcall without timeouts
+ * \param simcall the simcall
*/
-void SIMIX_pre_cond_wait(smx_req_t req)
+void SIMIX_pre_cond_wait(smx_simcall_t simcall)
{
- smx_process_t issuer = req->issuer;
- smx_cond_t cond = req->cond_wait.cond;
- smx_mutex_t mutex = req->cond_wait.mutex;
+ XBT_IN("(%p)",simcall);
+ smx_process_t issuer = simcall->issuer;
+ smx_cond_t cond = simcall->cond_wait.cond;
+ smx_mutex_t mutex = simcall->cond_wait.mutex;
- _SIMIX_cond_wait(cond, mutex, -1, issuer, req);
+ _SIMIX_cond_wait(cond, mutex, -1, issuer, simcall);
+ XBT_OUT();
}
/**
- * \brief Handle condition waiting requests with timeouts
- * \param The request
+ * \brief Handle a condition waiting simcall with timeouts
+ * \param simcall the simcall
*/
-void SIMIX_pre_cond_wait_timeout(smx_req_t req)
+void SIMIX_pre_cond_wait_timeout(smx_simcall_t simcall)
{
- 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_IN("(%p)",simcall);
+ smx_process_t issuer = simcall->issuer;
+ smx_cond_t cond = simcall->cond_wait_timeout.cond;
+ smx_mutex_t mutex = simcall->cond_wait_timeout.mutex;
+ double timeout = simcall->cond_wait_timeout.timeout;
+
+ _SIMIX_cond_wait(cond, mutex, timeout, issuer, simcall);
+ 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)
+ smx_process_t issuer, smx_simcall_t simcall)
{
+ XBT_IN("(%p, %p, %f, %p,%p)",cond,mutex,timeout,issuer,simcall);
smx_action_t sync_act = NULL;
XBT_DEBUG("Wait condition %p", cond);
}
sync_act = SIMIX_synchro_wait(issuer->smx_host, timeout);
- xbt_fifo_unshift(sync_act->request_list, req);
+ xbt_fifo_unshift(sync_act->simcalls, simcall);
issuer->waiting_action = sync_act;
- xbt_swag_insert(req->issuer, cond->sleeping);
+ xbt_swag_insert(simcall->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;
+ smx_simcall_t simcall = NULL;
XBT_DEBUG("Signal condition %p", cond);
SIMIX_synchro_destroy(proc->waiting_action);
proc->waiting_action = NULL;
- /* Now transform the cond wait request into a mutex lock one */
- req = &proc->request;
- if(req->call == REQ_COND_WAIT)
- mutex = req->cond_wait.mutex;
+ /* Now transform the cond wait simcall into a mutex lock one */
+ simcall = &proc->simcall;
+ if(simcall->call == SIMCALL_COND_WAIT)
+ mutex = simcall->cond_wait.mutex;
else
- mutex = req->cond_wait_timeout.mutex;
+ mutex = simcall->cond_wait_timeout.mutex;
- req->call = REQ_MUTEX_LOCK;
- req->mutex_lock.mutex = mutex;
+ simcall->call = SIMCALL_MUTEX_LOCK;
+ simcall->mutex_lock.mutex = mutex;
- SIMIX_pre_mutex_lock(req);
+ SIMIX_pre_mutex_lock(simcall);
}
+ 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("(%u)",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);
proc = xbt_swag_extract(sem->sleeping);
SIMIX_synchro_destroy(proc->waiting_action);
proc->waiting_action = NULL;
- SIMIX_request_answer(&proc->request);
+ SIMIX_simcall_answer(&proc->simcall);
} 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)
+ smx_simcall_t simcall)
{
+ XBT_IN("(%p, %f, %p, %p)",sem,timeout,issuer,simcall);
smx_action_t sync_act = NULL;
XBT_DEBUG("Wait semaphore %p (timeout:%f)", sem, timeout);
if (sem->value <= 0) {
sync_act = SIMIX_synchro_wait(issuer->smx_host, timeout);
- xbt_fifo_unshift(sync_act->request_list, req);
+ xbt_fifo_unshift(sync_act->simcalls, simcall);
issuer->waiting_action = sync_act;
xbt_swag_insert(issuer, sem->sleeping);
} else {
sem->value--;
- SIMIX_request_answer(req);
+ SIMIX_simcall_answer(simcall);
}
+ XBT_OUT();
}
/**
- * \brief Handle sem acquire requests without timeouts
+ * \brief Handles a sem acquire simcall without timeout.
+ * \param simcall the simcall
*/
-void SIMIX_pre_sem_acquire(smx_req_t req)
+void SIMIX_pre_sem_acquire(smx_simcall_t simcall)
{
- _SIMIX_sem_wait(req->sem_acquire.sem, -1, req->issuer, req);
+ XBT_IN("(%p)",simcall);
+ _SIMIX_sem_wait(simcall->sem_acquire.sem, -1, simcall->issuer, simcall);
+ XBT_OUT();
}
/**
- * \brief Handle sem acquire requests with timeouts
+ * \brief Handles a sem acquire simcall with timeout.
+ * \param simcall the simcall
*/
-void SIMIX_pre_sem_acquire_timeout(smx_req_t req)
+void SIMIX_pre_sem_acquire_timeout(smx_simcall_t simcall)
{
- _SIMIX_sem_wait(req->sem_acquire_timeout.sem,
- req->sem_acquire_timeout.timeout, req->issuer, req);
+ XBT_IN("(%p)",simcall);
+ _SIMIX_sem_wait(simcall->sem_acquire_timeout.sem,
+ simcall->sem_acquire_timeout.timeout, simcall->issuer, simcall);
+ XBT_OUT();
}
