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More robust checks on mutex acquire.

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- When using ACE_xxx_Guard, the caller must ensure the internal lock is really acquired before entering the critical section
(see http://www.dre.vanderbilt.edu/Doxygen/6.0.1/html/libace-doc/a00186.html#_details - Warnings paragraph)
This commit is contained in:
H0zen 2016-03-04 14:30:48 +02:00
parent fc72b48f84
commit dbc21ed903
2 changed files with 75 additions and 57 deletions
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110
src/game/Object/ObjectAccessor.cpp
View File

@ -93,12 +93,14 @@ Player* ObjectAccessor::FindPlayer(ObjectGuid guid, bool inWorld /*= true*/)
Player* ObjectAccessor::FindPlayerByName(const char* name)
{
HashMapHolder<Player>::ReadGuard g(HashMapHolder<Player>::GetLock());
HashMapHolder<Player>::MapType& m = sObjectAccessor.GetPlayers();
for (HashMapHolder<Player>::MapType::iterator iter = m.begin(); iter != m.end(); ++iter)
if (iter->second->IsInWorld() && (::strcmp(name, iter->second->GetName()) == 0))
{ return iter->second; }
HashMapHolder<Player>::ReadGuard g(HashMapHolder<Player>::GetLock(), true);
if (g.locked())
{
HashMapHolder<Player>::MapType& m = sObjectAccessor.GetPlayers();
for (HashMapHolder<Player>::MapType::iterator iter = m.begin(); iter != m.end(); ++iter)
if (iter->second->IsInWorld() && (::strcmp(name, iter->second->GetName()) == 0))
{ return iter->second; }
}
return NULL;
}
@ -129,15 +131,16 @@ void ObjectAccessor::KickPlayer(ObjectGuid guid)
Corpse*
ObjectAccessor::GetCorpseForPlayerGUID(ObjectGuid guid)
{
Guard guard(i_corpseGuard);
Player2CorpsesMapType::iterator iter = i_player2corpse.find(guid);
if (iter == i_player2corpse.end())
{ return NULL; }
MANGOS_ASSERT(iter->second->GetType() != CORPSE_BONES);
return iter->second;
ACE_Guard<LockType> guard(i_corpseGuard, true);
if (guard.locked())
{
Player2CorpsesMapType::iterator iter = i_player2corpse.find(guid);
if (iter == i_player2corpse.end())
{ return NULL; }
MANGOS_ASSERT(iter->second->GetType() != CORPSE_BONES);
return iter->second;
}
return NULL;
}
void
@ -145,19 +148,22 @@ ObjectAccessor::RemoveCorpse(Corpse* corpse)
{
MANGOS_ASSERT(corpse && corpse->GetType() != CORPSE_BONES);
Guard guard(i_corpseGuard);
Player2CorpsesMapType::iterator iter = i_player2corpse.find(corpse->GetOwnerGuid());
if (iter == i_player2corpse.end())
{ return; }
ACE_Guard<LockType> guard(i_corpseGuard, true);
if (guard.locked())
{
Player2CorpsesMapType::iterator iter = i_player2corpse.find(corpse->GetOwnerGuid());
if (iter == i_player2corpse.end())
{ return; }
// build mapid*cellid -> guid_set map
CellPair cell_pair = MaNGOS::ComputeCellPair(corpse->GetPositionX(), corpse->GetPositionY());
uint32 cell_id = (cell_pair.y_coord * TOTAL_NUMBER_OF_CELLS_PER_MAP) + cell_pair.x_coord;
// build mapid*cellid -> guid_set map
CellPair cell_pair = MaNGOS::ComputeCellPair(corpse->GetPositionX(), corpse->GetPositionY());
uint32 cell_id = (cell_pair.y_coord * TOTAL_NUMBER_OF_CELLS_PER_MAP) + cell_pair.x_coord;
sObjectMgr.DeleteCorpseCellData(corpse->GetMapId(), cell_id, corpse->GetOwnerGuid().GetCounter());
corpse->RemoveFromWorld();
sObjectMgr.DeleteCorpseCellData(corpse->GetMapId(), cell_id, corpse->GetOwnerGuid().GetCounter());
corpse->RemoveFromWorld();
i_player2corpse.erase(iter);
i_player2corpse.erase(iter);
}
}
void
@ -165,37 +171,43 @@ ObjectAccessor::AddCorpse(Corpse* corpse)
{
MANGOS_ASSERT(corpse && corpse->GetType() != CORPSE_BONES);
Guard guard(i_corpseGuard);
MANGOS_ASSERT(i_player2corpse.find(corpse->GetOwnerGuid()) == i_player2corpse.end());
i_player2corpse[corpse->GetOwnerGuid()] = corpse;
ACE_Guard<LockType> guard(i_corpseGuard, true);
if (guard.locked())
{
MANGOS_ASSERT(i_player2corpse.find(corpse->GetOwnerGuid()) == i_player2corpse.end());
i_player2corpse[corpse->GetOwnerGuid()] = corpse;
// build mapid*cellid -> guid_set map
CellPair cell_pair = MaNGOS::ComputeCellPair(corpse->GetPositionX(), corpse->GetPositionY());
uint32 cell_id = (cell_pair.y_coord * TOTAL_NUMBER_OF_CELLS_PER_MAP) + cell_pair.x_coord;
// build mapid*cellid -> guid_set map
CellPair cell_pair = MaNGOS::ComputeCellPair(corpse->GetPositionX(), corpse->GetPositionY());
uint32 cell_id = (cell_pair.y_coord * TOTAL_NUMBER_OF_CELLS_PER_MAP) + cell_pair.x_coord;
sObjectMgr.AddCorpseCellData(corpse->GetMapId(), cell_id, corpse->GetOwnerGuid().GetCounter(), corpse->GetInstanceId());
sObjectMgr.AddCorpseCellData(corpse->GetMapId(), cell_id, corpse->GetOwnerGuid().GetCounter(), corpse->GetInstanceId());
}
}
void
ObjectAccessor::AddCorpsesToGrid(GridPair const& gridpair, GridType& grid, Map* map)
{
Guard guard(i_corpseGuard);
for (Player2CorpsesMapType::iterator iter = i_player2corpse.begin(); iter != i_player2corpse.end(); ++iter)
if (iter->second->GetGrid() == gridpair)
{
// verify, if the corpse in our instance (add only corpses which are)
if (map->Instanceable())
{
if (iter->second->GetInstanceId() == map->GetInstanceId())
{
grid.AddWorldObject(iter->second);
}
}
else
{
grid.AddWorldObject(iter->second);
}
}
ACE_Guard<LockType> guard(i_corpseGuard, true);
if (guard.locked())
{
for (Player2CorpsesMapType::iterator iter = i_player2corpse.begin(); iter != i_player2corpse.end(); ++iter)
if (iter->second->GetGrid() == gridpair)
{
// verify, if the corpse in our instance (add only corpses which are)
if (map->Instanceable())
{
if (iter->second->GetInstanceId() == map->GetInstanceId())
{
grid.AddWorldObject(iter->second);
}
}
else
{
grid.AddWorldObject(iter->second);
}
}
}
}
Corpse*

22
src/game/Object/ObjectAccessor.h
View File

@ -59,21 +59,28 @@ class HashMapHolder
static void Insert(T* o)
{
WriteGuard guard(i_lock);
m_objectMap[o->GetObjectGuid()] = o;
WriteGuard guard(i_lock, true);
if (guard.locked())
m_objectMap[o->GetObjectGuid()] = o;
}
static void Remove(T* o)
{
WriteGuard guard(i_lock);
m_objectMap.erase(o->GetObjectGuid());
WriteGuard guard(i_lock, true);
if (guard.locked())
m_objectMap.erase(o->GetObjectGuid());
}
static T* Find(ObjectGuid guid)
{
ReadGuard guard(i_lock);
typename MapType::iterator itr = m_objectMap.find(guid);
return (itr != m_objectMap.end()) ? itr->second : NULL;
ReadGuard guard(i_lock, true);
if (guard.locked())
{
typename MapType::iterator itr = m_objectMap.find(guid);
return (itr != m_objectMap.end()) ? itr->second : NULL;
}
else
return NULL;
}
static MapType& GetContainer() { return m_objectMap; }
@ -137,7 +144,6 @@ class ObjectAccessor : public MaNGOS::Singleton<ObjectAccessor, MaNGOS::ClassLev
Player2CorpsesMapType i_player2corpse;
typedef ACE_Thread_Mutex LockType;
typedef MaNGOS::GeneralLock<LockType > Guard;
LockType i_playerGuard;
LockType i_corpseGuard;