-
-/* Copyright (c) 2007-2015. The SimGrid Team.
+/* Copyright (c) 2007-2017. The SimGrid Team.
* All rights reserved. */
/* 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 "smx_private.hpp"
+#include "src/surf/cpu_interface.hpp"
#include "src/surf/surf_interface.hpp"
-#include "smx_private.h"
#include <xbt/ex.hpp>
#include <xbt/log.h>
{
XBT_IN("(%p, %f)",smx_host,timeout);
- simgrid::kernel::activity::Raw *sync = new simgrid::kernel::activity::Raw();
- sync->sleep = surf_host_sleep(smx_host, timeout);
- sync->sleep->setData(sync);
+ simgrid::kernel::activity::RawImplPtr sync =
+ simgrid::kernel::activity::RawImplPtr(new simgrid::kernel::activity::RawImpl());
+ sync->sleep = smx_host->pimpl_cpu->sleep(timeout);
+ sync->sleep->setData(sync.get());
XBT_OUT();
return sync;
}
void SIMIX_synchro_finish(smx_activity_t synchro)
{
- XBT_IN("(%p)",synchro);
+ XBT_IN("(%p)", synchro.get());
smx_simcall_t simcall = synchro->simcalls.front();
synchro->simcalls.pop_front();
case SIMIX_FAILED:
simcall->issuer->context->iwannadie = 1;
-// SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
break;
default:
SIMIX_synchro_stop_waiting(simcall->issuer, simcall);
simcall->issuer->waiting_synchro = nullptr;
- delete synchro;
SIMIX_simcall_answer(simcall);
XBT_OUT();
}
namespace simgrid {
namespace simix {
-Mutex::Mutex() : mutex_(this)
+MutexImpl::MutexImpl() : mutex_(this)
{
XBT_IN("(%p)", this);
// Useful to initialize sleeping swag:
XBT_OUT();
}
-Mutex::~Mutex()
+MutexImpl::~MutexImpl()
{
XBT_IN("(%p)", this);
xbt_swag_free(this->sleeping);
XBT_OUT();
}
-void Mutex::lock(smx_actor_t issuer)
+void MutexImpl::lock(smx_actor_t issuer)
{
XBT_IN("(%p; %p)", this, issuer);
/* FIXME: check where to validate the arguments */
* \param issuer the process that tries to acquire the mutex
* \return whether we managed to lock the mutex
*/
-bool Mutex::try_lock(smx_actor_t issuer)
+bool MutexImpl::try_lock(smx_actor_t issuer)
{
XBT_IN("(%p, %p)", this, issuer);
if (this->locked) {
/** Unlock a mutex for a process
*
- * Unlocks the mutex and gives it to a process waiting for it.
+ * Unlocks the mutex and gives it to a process waiting for it.
* If the unlocker is not the owner of the mutex nothing happens.
* If there are no process waiting, it sets the mutex as free.
*/
-void Mutex::unlock(smx_actor_t issuer)
+void MutexImpl::unlock(smx_actor_t issuer)
{
XBT_IN("(%p, %p)", this, issuer);
- if(!this->locked)
+ if (not this->locked)
THROWF(mismatch_error, 0, "Cannot release that mutex: it was not locked.");
/* If the mutex is not owned by the issuer, that's not good */
if (issuer != this->owner)
- THROWF(mismatch_error, 0, "Cannot release that mutex: it was locked by %s (pid:%ld), not by you.",
- this->owner->name.c_str(),this->owner->pid);
+ THROWF(mismatch_error, 0, "Cannot release that mutex: it was locked by %s (pid:%lu), not by you.",
+ this->owner->getCname(), this->owner->pid);
if (xbt_swag_size(this->sleeping) > 0) {
/*process to wake up */
smx_actor_t p = (smx_actor_t) xbt_swag_extract(this->sleeping);
- delete p->waiting_synchro;
p->waiting_synchro = nullptr;
this->owner = p;
SIMIX_simcall_answer(&p->simcall);
intrusive_ptr_release(mutex);
}
-smx_mutex_t simcall_HANDLER_mutex_init(smx_simcall_t simcall)
-{
- return new simgrid::simix::Mutex();
-}
-
// Simcall handlers:
void simcall_HANDLER_mutex_lock(smx_simcall_t simcall, smx_mutex_t mutex)
{
XBT_IN("()");
simgrid::simix::ActorImpl p;
- smx_cond_t cond = new s_smx_cond();
+ smx_cond_t cond = new s_smx_cond_t();
cond->sleeping = xbt_swag_new(xbt_swag_offset(p, synchro_hookup));
cond->refcount_ = 1;
XBT_OUT();
synchro = SIMIX_synchro_wait(issuer->host, timeout);
synchro->simcalls.push_front(simcall);
issuer->waiting_synchro = synchro;
- xbt_swag_insert(simcall->issuer, cond->sleeping);
+ xbt_swag_insert(simcall->issuer, cond->sleeping);
XBT_OUT();
}
/**
* \brief Signalizes a condition.
*
- * Signalizes a condition and wakes up a sleeping process.
+ * Signalizes a condition and wakes up a sleeping process.
* If there are no process sleeping, no action is done.
* \param cond A condition
*/
XBT_DEBUG("Signal condition %p", cond);
- /* If there are processes waiting for the condition choose one and try
+ /* If there are processes waiting for the condition choose one and try
to make it acquire the mutex */
if ((proc = (smx_actor_t) xbt_swag_extract(cond->sleeping))) {
/* Destroy waiter's synchronization */
- delete proc->waiting_synchro;
proc->waiting_synchro = nullptr;
/* Now transform the cond wait simcall into a mutex lock one */
void intrusive_ptr_add_ref(s_smx_cond_t *cond)
{
- auto previous = (cond->refcount_)++;
+ auto previous = cond->refcount_.fetch_add(1);
xbt_assert(previous != 0);
- (void) previous;
}
void intrusive_ptr_release(s_smx_cond_t *cond)
{
- auto count = --(cond->refcount_);
- if (count == 0) {
+ if (cond->refcount_.fetch_sub(1) == 1) {
xbt_assert(xbt_swag_size(cond->sleeping) == 0,
"Cannot destroy conditional since someone is still using it");
xbt_swag_free(cond->sleeping);
}
/******************************** Semaphores **********************************/
-#define SMX_SEM_NOLIMIT 99999
/** @brief Initialize a semaphore */
smx_sem_t SIMIX_sem_init(unsigned int value)
{
XBT_IN("(%u)",value);
simgrid::simix::ActorImpl p;
- smx_sem_t sem = xbt_new0(s_smx_sem_t, 1);
+ smx_sem_t sem = new s_smx_sem_t;
sem->sleeping = xbt_swag_new(xbt_swag_offset(p, synchro_hookup));
sem->value = value;
XBT_OUT();
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);
+ delete sem;
}
XBT_OUT();
}
-void simcall_HANDLER_sem_release(smx_simcall_t simcall, smx_sem_t sem){
- SIMIX_sem_release(sem);
-}
/** @brief release the semaphore
*
* Unlock a process waiting on the semaphore.
XBT_DEBUG("Sem release semaphore %p", sem);
if ((proc = (smx_actor_t) xbt_swag_extract(sem->sleeping))) {
- delete proc->waiting_synchro;
proc->waiting_synchro = nullptr;
SIMIX_simcall_answer(&proc->simcall);
- } else if (sem->value < SMX_SEM_NOLIMIT) {
+ } else {
sem->value++;
}
XBT_OUT();
return (sem->value <= 0);
}
-int simcall_HANDLER_sem_get_capacity(smx_simcall_t simcall, smx_sem_t sem){
- return SIMIX_sem_get_capacity(sem);
-}
/** @brief Returns the current capacity of the semaphore */
int SIMIX_sem_get_capacity(smx_sem_t sem)
{
void simcall_HANDLER_sem_acquire_timeout(smx_simcall_t simcall, smx_sem_t sem, double timeout)
{
XBT_IN("(%p)",simcall);
- _SIMIX_sem_wait(sem, timeout, simcall->issuer, simcall);
+ _SIMIX_sem_wait(sem, timeout, simcall->issuer, simcall);
XBT_OUT();
}
-int simcall_HANDLER_sem_would_block(smx_simcall_t simcall, smx_sem_t sem) {
- return SIMIX_sem_would_block(sem);
-}