c8839b8587
Informs mono runtime that Job System, Thread Pool or Content Load threads can wait when they are going idle between tasks.
149 lines
4.5 KiB
C++
149 lines
4.5 KiB
C++
// Copyright (c) Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Core/Log.h"
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#include "Engine/Debug/DebugLog.h"
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#include "Engine/Scripting/ScriptingType.h"
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#include "Engine/Scripting/Types.h"
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#if defined(__clang__)
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// Helper utility to override vtable entry with automatic restore
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// See BindingsGenerator.Cpp.cs that generates virtual method wrappers for scripting to properly call overriden base method
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struct FLAXENGINE_API VTableFunctionInjector
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{
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void** VTableAddr;
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void* OriginalValue;
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VTableFunctionInjector(void* object, void* originalFunc, void* func)
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{
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void** vtable = *(void***)object;
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const int32 vtableIndex = GetVTableIndex(vtable, 200, originalFunc);
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VTableAddr = vtable + vtableIndex;
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OriginalValue = *VTableAddr;
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*VTableAddr = func;
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}
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~VTableFunctionInjector()
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{
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*VTableAddr = OriginalValue;
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}
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};
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#elif defined(_MSC_VER)
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#define MSVC_FUNC_EXPORT(name) __pragma(comment(linker, "/EXPORT:" #name "=" __FUNCDNAME__))
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#endif
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#if USE_CSHARP
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#if USE_NETCORE
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#define ADD_INTERNAL_CALL(fullName, method)
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#define DEFINE_INTERNAL_CALL(returnType) extern "C" DLLEXPORT returnType
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#else
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extern "C" FLAXENGINE_API void mono_add_internal_call(const char* name, const void* method);
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#define ADD_INTERNAL_CALL(fullName, method) mono_add_internal_call(fullName, (const void*)method)
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#define DEFINE_INTERNAL_CALL(returnType) static returnType
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#endif
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#if BUILD_RELEASE && 0
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// Using invalid handle will crash engine in Release build
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#define INTERNAL_CALL_CHECK(obj)
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#define INTERNAL_CALL_CHECK_EXP(expression)
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#define INTERNAL_CALL_CHECK_RETURN(obj, defaultValue)
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#define INTERNAL_CALL_CHECK_EXP_RETURN(expression, defaultValue)
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#else
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// Use additional checks in debug/development builds
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#define INTERNAL_CALL_CHECK(obj) \
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if (obj == nullptr) \
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{ \
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DebugLog::ThrowNullReference(); \
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return; \
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}
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#define INTERNAL_CALL_CHECK_EXP(expression) \
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if (expression) \
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{ \
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DebugLog::ThrowNullReference(); \
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return; \
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}
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#define INTERNAL_CALL_CHECK_RETURN(obj, defaultValue) \
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if (obj == nullptr) \
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{ \
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DebugLog::ThrowNullReference(); \
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return defaultValue; \
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}
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#define INTERNAL_CALL_CHECK_EXP_RETURN(expression, defaultValue) \
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if (expression) \
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{ \
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DebugLog::ThrowNullReference(); \
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return defaultValue; \
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}
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#endif
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#else
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#define ADD_INTERNAL_CALL(fullName, method)
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#define DEFINE_INTERNAL_CALL(returnType) static returnType
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#define INTERNAL_CALL_CHECK(obj)
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#define INTERNAL_CALL_CHECK_EXP(expression)
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#define INTERNAL_CALL_CHECK_RETURN(obj, defaultValue)
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#define INTERNAL_CALL_CHECK_EXP_RETURN(expression, defaultValue)
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#endif
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template<typename T>
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T& InternalGetReference(T* obj)
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{
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if (!obj)
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DebugLog::ThrowNullReference();
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return *obj;
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}
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#ifdef USE_MONO_AOT_COOP
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// Cooperative Suspend - where threads suspend themselves when the runtime requests it.
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// https://www.mono-project.com/docs/advanced/runtime/docs/coop-suspend/
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typedef struct _MonoStackData {
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void* stackpointer;
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const char* function_name;
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} MonoStackData;
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#if BUILD_DEBUG
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#define MONO_STACKDATA(x) MonoStackData x = { &x, __func__ }
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#else
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#define MONO_STACKDATA(x) MonoStackData x = { &x, NULL }
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#endif
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#define MONO_THREAD_INFO_TYPE struct MonoThreadInfo
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DLLIMPORT extern "C" MONO_THREAD_INFO_TYPE* mono_thread_info_attach(void);
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DLLIMPORT extern "C" void* mono_threads_enter_gc_safe_region_with_info(MONO_THREAD_INFO_TYPE* info, MonoStackData* stackdata);
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DLLIMPORT extern "C" void mono_threads_exit_gc_safe_region_internal(void* cookie, MonoStackData* stackdata);
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#ifndef _MONO_UTILS_FORWARD_
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typedef struct _MonoDomain MonoDomain;
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DLLIMPORT extern "C" MonoDomain* mono_domain_get(void);
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#endif
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#define MONO_ENTER_GC_SAFE \
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do { \
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MONO_STACKDATA(__gc_safe_dummy); \
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void* __gc_safe_cookie = mono_threads_enter_gc_safe_region_internal(&__gc_safe_dummy)
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#define MONO_EXIT_GC_SAFE \
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mono_threads_exit_gc_safe_region_internal(__gc_safe_cookie, &__gc_safe_dummy); \
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} while (0)
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#define MONO_ENTER_GC_SAFE_WITH_INFO(info) \
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do { \
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MONO_STACKDATA(__gc_safe_dummy); \
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void* __gc_safe_cookie = mono_threads_enter_gc_safe_region_with_info((info), &__gc_safe_dummy)
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#define MONO_EXIT_GC_SAFE_WITH_INFO MONO_EXIT_GC_SAFE
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#define MONO_THREAD_INFO_GET(info) if (!info && mono_domain_get()) info = mono_thread_info_attach()
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#else
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#define MONO_ENTER_GC_SAFE
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#define MONO_EXIT_GC_SAFE
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#define MONO_ENTER_GC_SAFE_WITH_INFO(info)
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#define MONO_EXIT_GC_SAFE_WITH_INFO
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#define MONO_THREAD_INFO_GET(info)
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#define mono_thread_info_attach() nullptr
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#endif
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