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can't risk the out of order for mspells lock and also allowing multiple to traverse the tree

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This commit is contained in:
Emagi 2024-09-07 15:54:05 -04:00
parent 950a67ac94
commit 2ea8088f1e
1 changed files with 6 additions and 12 deletions
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18
source/WorldServer/LuaInterface.cpp
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@ -2295,7 +2295,8 @@ LuaSpell* LuaInterface::GetSpellScript(const char* name, bool create_new, bool u
LuaSpell* ret = 0;
Mutex* mutex = 0;
MSpellScripts.readlock(__FUNCTION__, __LINE__);
MSpells.lock();
MSpellScripts.writelock(__FUNCTION__, __LINE__);
itr = spell_scripts.find(name);
if(itr != spell_scripts.end()) {
mutex = GetSpellScriptMutex(name);
@ -2305,17 +2306,16 @@ LuaSpell* LuaInterface::GetSpellScript(const char* name, bool create_new, bool u
if (use)
{
lua_State* state = spell_script_itr->first;
MSpellScripts.releasereadlock(__FUNCTION__, __LINE__);
ret = CreateSpellScript(name, state);
ret = CreateSpellScript(name, state, true);
break; // don't keep iterating, we already have our result
}
}
}
mutex->releasewritelock(__FUNCTION__, __LINE__);
}
if(!ret) {
MSpellScripts.releasereadlock(__FUNCTION__, __LINE__);
}
MSpellScripts.releasewritelock(__FUNCTION__, __LINE__);
MSpells.unlock();
if(!ret && create_new){
if(!name || (ret = LoadSpellScript(name)) == nullptr) {
LogError("Error LUA Spell Script '%s'", name == nullptr ? "unknown" : name);
@ -2327,11 +2327,7 @@ LuaSpell* LuaInterface::GetSpellScript(const char* name, bool create_new, bool u
LuaSpell* LuaInterface::CreateSpellScript(const char* name, lua_State* existState) {
LuaSpell* new_spell = new LuaSpell;
new_spell->state = existState;
MSpellScripts.writelock(__FUNCTION__, __LINE__);
spell_scripts[std::string(name)][new_spell->state] = new_spell;
MSpellScripts.releasewritelock(__FUNCTION__, __LINE__);
new_spell->file_name = string(name);
new_spell->resisted = false;
new_spell->is_damage_spell = false;
@ -2357,9 +2353,7 @@ LuaSpell* LuaInterface::CreateSpellScript(const char* name, lua_State* existStat
new_spell->initial_caster_char_id = 0;
new_spell->initial_target_char_id = 0;
MSpells.lock();
current_spells[new_spell->state] = new_spell;
MSpells.unlock();
return new_spell;
}