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uses the global thread to protect the instacnes map in GDScript, closes #4615

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This commit is contained in:
Juan Linietsky 2017-01-10 19:02:52 -03:00
parent f3f4a11cfb
commit 80b733a33a
2 changed files with 45 additions and 3 deletions
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46
modules/gdscript/gd_script.cpp
View file

@ -111,14 +111,29 @@ GDInstance* GDScript::_create_instance(const Variant** p_args,int p_argcount,Obj
/* STEP 2, INITIALIZE AND CONSRTUCT */
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->lock();
#endif
instances.insert(instance->owner);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->unlock();
#endif
initializer->call(instance,p_args,p_argcount,r_error);
if (r_error.error!=Variant::CallError::CALL_OK) {
instance->script=Ref<GDScript>();
instance->owner->set_script_instance(NULL);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->lock();
#endif
instances.erase(p_owner);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->unlock();
#endif
ERR_FAIL_COND_V(r_error.error!=Variant::CallError::CALL_OK, NULL); //error constructing
}
@ -405,7 +420,16 @@ ScriptInstance* GDScript::instance_create(Object *p_this) {
}
bool GDScript::instance_has(const Object *p_this) const {
return instances.has((Object*)p_this);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->lock();
#endif
bool hasit = instances.has((Object*)p_this);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->unlock();
#endif
return hasit;
}
bool GDScript::has_source_code() const {
@ -596,8 +620,16 @@ void GDScript::_set_subclass_path(Ref<GDScript>& p_sc,const String& p_path) {
Error GDScript::reload(bool p_keep_state) {
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->lock();
#endif
bool has_instances = instances.size();
ERR_FAIL_COND_V(!p_keep_state && instances.size(),ERR_ALREADY_IN_USE);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->unlock();
#endif
ERR_FAIL_COND_V(!p_keep_state && has_instances,ERR_ALREADY_IN_USE);
String basedir=path;
@ -1423,7 +1455,15 @@ GDInstance::GDInstance() {
GDInstance::~GDInstance() {
if (script.is_valid() && owner) {
script->instances.erase(owner);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->lock();
#endif
script->instances.erase(owner);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->unlock();
#endif
}
}

2
modules/gdscript/gd_script.h
View file

@ -294,11 +294,13 @@ class GDScriptLanguage : public ScriptLanguage {
void _add_global(const StringName& p_name,const Variant& p_value);
friend class GDInstance;
Mutex *lock;
friend class GDScript;
SelfList<GDScript>::List script_list;