-
-/* 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.h"
+#include "smx_private.hpp"
#include "src/surf/cpu_interface.hpp"
#include "src/surf/surf_interface.hpp"
#include <xbt/ex.hpp>
#include <xbt/log.h>
+#include <xbt/utility.hpp>
#include "src/kernel/activity/SynchroRaw.hpp"
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);
+ sync->sleep->setData(sync.get());
XBT_OUT();
return sync;
}
switch (simcall->call) {
case SIMCALL_MUTEX_LOCK:
- xbt_swag_remove(process, simcall_mutex_lock__get__mutex(simcall)->sleeping);
+ simgrid::xbt::intrusive_erase(simcall_mutex_lock__get__mutex(simcall)->sleeping, *process);
break;
case SIMCALL_COND_WAIT:
- xbt_swag_remove(process, simcall_cond_wait__get__cond(simcall)->sleeping);
+ simgrid::xbt::intrusive_erase(simcall_cond_wait__get__cond(simcall)->sleeping, *process);
break;
case SIMCALL_COND_WAIT_TIMEOUT:
- xbt_swag_remove(process, simcall_cond_wait_timeout__get__cond(simcall)->sleeping);
+ simgrid::xbt::intrusive_erase(simcall_cond_wait_timeout__get__cond(simcall)->sleeping, *process);
break;
case SIMCALL_SEM_ACQUIRE:
- xbt_swag_remove(process, simcall_sem_acquire__get__sem(simcall)->sleeping);
+ simgrid::xbt::intrusive_erase(simcall_sem_acquire__get__sem(simcall)->sleeping, *process);
break;
case SIMCALL_SEM_ACQUIRE_TIMEOUT:
- xbt_swag_remove(process, simcall_sem_acquire_timeout__get__sem(simcall)->sleeping);
+ simgrid::xbt::intrusive_erase(simcall_sem_acquire_timeout__get__sem(simcall)->sleeping, *process);
break;
default:
case SIMIX_FAILED:
simcall->issuer->context->iwannadie = 1;
-// SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
break;
default:
MutexImpl::MutexImpl() : mutex_(this)
{
XBT_IN("(%p)", this);
- // Useful to initialize sleeping swag:
- simgrid::simix::ActorImpl p;
- this->sleeping = xbt_swag_new(xbt_swag_offset(p, synchro_hookup));
XBT_OUT();
}
MutexImpl::~MutexImpl()
{
XBT_IN("(%p)", this);
- xbt_swag_free(this->sleeping);
XBT_OUT();
}
synchro = SIMIX_synchro_wait(issuer->host, -1);
synchro->simcalls.push_back(&issuer->simcall);
issuer->waiting_synchro = synchro;
- xbt_swag_insert(issuer, this->sleeping);
+ this->sleeping.push_back(*issuer);
} else {
/* mutex free */
this->locked = true;
/* 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->cname(), 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) {
+ if (not this->sleeping.empty()) {
/*process to wake up */
- smx_actor_t p = (smx_actor_t) xbt_swag_extract(this->sleeping);
+ smx_actor_t p = &this->sleeping.front();
+ this->sleeping.pop_front();
p->waiting_synchro = nullptr;
this->owner = p;
SIMIX_simcall_answer(&p->simcall);
smx_cond_t SIMIX_cond_init()
{
XBT_IN("()");
- simgrid::simix::ActorImpl p;
- smx_cond_t cond = new s_smx_cond();
- cond->sleeping = xbt_swag_new(xbt_swag_offset(p, synchro_hookup));
+ smx_cond_t cond = new s_smx_cond_t();
cond->refcount_ = 1;
XBT_OUT();
return cond;
synchro = SIMIX_synchro_wait(issuer->host, timeout);
synchro->simcalls.push_front(simcall);
issuer->waiting_synchro = synchro;
- xbt_swag_insert(simcall->issuer, cond->sleeping);
+ cond->sleeping.push_back(*simcall->issuer);
XBT_OUT();
}
void SIMIX_cond_signal(smx_cond_t cond)
{
XBT_IN("(%p)",cond);
- smx_actor_t proc = nullptr;
- smx_mutex_t mutex = nullptr;
- smx_simcall_t simcall = nullptr;
-
XBT_DEBUG("Signal condition %p", cond);
/* 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))) {
+ if (not cond->sleeping.empty()) {
+ auto& proc = cond->sleeping.front();
+ cond->sleeping.pop_front();
/* Destroy waiter's synchronization */
- proc->waiting_synchro = nullptr;
+ proc.waiting_synchro = nullptr;
/* Now transform the cond wait simcall into a mutex lock one */
- simcall = &proc->simcall;
+ smx_simcall_t simcall = &proc.simcall;
+ smx_mutex_t mutex;
if(simcall->call == SIMCALL_COND_WAIT)
mutex = simcall_cond_wait__get__mutex(simcall);
else
XBT_DEBUG("Broadcast condition %p", cond);
/* Signal the condition until nobody is waiting on it */
- while (xbt_swag_size(cond->sleeping)) {
+ while (not cond->sleeping.empty()) {
SIMIX_cond_signal(cond);
}
XBT_OUT();
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 intrusive_ptr_release(s_smx_cond_t *cond)
{
- auto count = --(cond->refcount_);
- if (count == 0) {
- xbt_assert(xbt_swag_size(cond->sleeping) == 0,
- "Cannot destroy conditional since someone is still using it");
- xbt_swag_free(cond->sleeping);
+ if (cond->refcount_.fetch_sub(1) == 1) {
+ xbt_assert(cond->sleeping.empty(), "Cannot destroy conditional since someone is still using it");
delete cond;
}
}
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);
- sem->sleeping = xbt_swag_new(xbt_swag_offset(p, synchro_hookup));
+ smx_sem_t sem = new s_smx_sem_t;
sem->value = value;
XBT_OUT();
return sem;
XBT_IN("(%p)",sem);
XBT_DEBUG("Destroy semaphore %p", sem);
if (sem != nullptr) {
- 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_assert(sem->sleeping.empty(), "Cannot destroy semaphore since someone is still using it");
+ delete sem;
}
XBT_OUT();
}
void SIMIX_sem_release(smx_sem_t sem)
{
XBT_IN("(%p)",sem);
- smx_actor_t proc;
-
XBT_DEBUG("Sem release semaphore %p", sem);
- if ((proc = (smx_actor_t) xbt_swag_extract(sem->sleeping))) {
- proc->waiting_synchro = nullptr;
- SIMIX_simcall_answer(&proc->simcall);
+ 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++;
}
synchro = SIMIX_synchro_wait(issuer->host, timeout);
synchro->simcalls.push_front(simcall);
issuer->waiting_synchro = synchro;
- xbt_swag_insert(issuer, sem->sleeping);
+ sem->sleeping.push_back(*issuer);
} else {
sem->value--;
SIMIX_simcall_answer(simcall);