}
bool ModelAction::is_notify() const {
- return type==ATOMIC_NOTIFY_ONE || type==ATOMIC_NOTIFY_ALL;
+ return type == ATOMIC_NOTIFY_ONE || type == ATOMIC_NOTIFY_ALL;
}
bool ModelAction::is_notify_one() const {
- return type==ATOMIC_NOTIFY_ONE;
+ return type == ATOMIC_NOTIFY_ONE;
}
bool ModelAction::is_unlock() const
return type == ATOMIC_RMWC;
}
-bool ModelAction::is_fence() const
+bool ModelAction::is_fence() const
{
return type == ATOMIC_FENCE;
}
bool ModelAction::is_seqcst() const
{
- return order==std::memory_order_seq_cst;
+ return order == std::memory_order_seq_cst;
}
bool ModelAction::same_var(const ModelAction *act) const
{
- if ( act->is_wait() || is_wait() ) {
- if ( act->is_wait() && is_wait() ) {
- if ( ((void *)value) == ((void *)act->value) )
+ if (act->is_wait() || is_wait()) {
+ if (act->is_wait() && is_wait()) {
+ if (((void *)value) == ((void *)act->value))
return true;
- } else if ( is_wait() ) {
- if ( ((void *)value) == act->location )
+ } else if (is_wait()) {
+ if (((void *)value) == act->location)
return true;
- } else if ( act->is_wait() ) {
- if ( location == ((void *)act->value) )
+ } else if (act->is_wait()) {
+ if (location == ((void *)act->value))
return true;
}
}
return tid == act->tid;
}
-void ModelAction::copy_typeandorder(ModelAction * act) {
+void ModelAction::copy_typeandorder(ModelAction * act)
+{
this->type = act->type;
this->order = act->order;
}
* @todo If the memory_order changes, we may potentially need to update our
* clock vector.
*/
-void ModelAction::process_rmw(ModelAction * act) {
- this->order=act->order;
+void ModelAction::process_rmw(ModelAction *act)
+{
+ this->order = act->order;
if (act->is_rmwc())
- this->type=ATOMIC_READ;
+ this->type = ATOMIC_READ;
else if (act->is_rmw()) {
- this->type=ATOMIC_RMW;
- this->value=act->value;
+ this->type = ATOMIC_RMW;
+ this->value = act->value;
}
}
return true;
// lock just released...we can grab lock
- if ((is_lock() ||is_trylock()) && (act->is_unlock()||act->is_wait()))
+ if ((is_lock() || is_trylock()) && (act->is_unlock() || act->is_wait()))
return true;
// lock just acquired...we can fail to grab lock
return true;
// other thread stalling on lock...we can release lock
- if (is_unlock() && (act->is_trylock()||act->is_lock()))
+ if (is_unlock() && (act->is_trylock() || act->is_lock()))
return true;
- if (is_trylock() && (act->is_unlock()||act->is_wait()))
+ if (is_trylock() && (act->is_unlock() || act->is_wait()))
return true;
- if ( is_notify() && act->is_wait() )
+ if (is_notify() && act->is_wait())
return true;
- if ( is_wait() && act->is_notify() )
+ if (is_wait() && act->is_notify())
return true;
// Otherwise handle by reads_from relation
// Must be different threads to reorder
if (same_thread(act))
return false;
-
+
// Try to reorder a lock past a successful lock
if (act->is_success_lock())
return true;
-
+
// Try to push a successful trylock past an unlock
if (act->is_unlock() && is_trylock() && value == VALUE_TRYSUCCESS)
return true;
void ModelAction::set_try_lock(bool obtainedlock) {
if (obtainedlock)
- value=VALUE_TRYSUCCESS;
+ value = VALUE_TRYSUCCESS;
else
- value=VALUE_TRYFAILED;
+ value = VALUE_TRYFAILED;
}
/** @return The Node associated with this ModelAction */
* @param act The ModelAction to synchronize with
* @return True if this is a valid synchronization; false otherwise
*/
-bool ModelAction::synchronize_with(const ModelAction *act) {
+bool ModelAction::synchronize_with(const ModelAction *act)
+{
if (*this < *act && type != THREAD_JOIN && type != ATOMIC_LOCK)
return false;
model->check_promises(act->get_tid(), cv, act->cv);
/** @brief Print nicely-formatted info about this ModelAction */
unsigned int ModelAction::hash() const
{
- unsigned int hash=(unsigned int) this->type;
- hash^=((unsigned int)this->order)<<3;
- hash^=seq_number<<5;
+ unsigned int hash = (unsigned int)this->type;
+ hash ^= ((unsigned int)this->order) << 3;
+ hash ^= seq_number << 5;
hash ^= id_to_int(tid) << 6;
- if (is_read()) {
- if (reads_from)
- hash^=reads_from->get_seq_number();
- }
+ if (is_read() && reads_from)
+ hash ^= reads_from->get_seq_number();
return hash;
}