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ams: deduplicate static initialization logic

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This commit is contained in:
Michael Scire 2021-12-13 13:07:03 -08:00
parent 78f7218c4f
commit 30fac905af
24 changed files with 202 additions and 262 deletions
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57
libraries/libstratosphere/include/stratosphere/util/util_singleton_traits.hpp
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@ -18,41 +18,28 @@
#include <vapours.hpp>
#include <stratosphere/os/os_sdk_mutex.hpp>
#define AMS_SINGLETON_TRAITS(_CLASSNAME_) \
private: \
NON_COPYABLE(_CLASSNAME_); \
NON_MOVEABLE(_CLASSNAME_); \
private: \
_CLASSNAME_ (); \
public: \
static _CLASSNAME_ &GetInstance() { \
/* Declare singleton instance variables. */ \
static constinit ::ams::util::TypedStorage<_CLASSNAME_> s_singleton_storage; \
static constinit ::ams::os::SdkMutex s_singleton_mutex; \
static constinit bool s_initialized_singleton = false; \
\
/* Ensure the instance is created. */ \
if (AMS_UNLIKELY(!s_initialized_singleton)) { \
std::scoped_lock lk(s_singleton_mutex); \
\
if (AMS_LIKELY(!s_initialized_singleton)) { \
new (::ams::util::GetPointer(s_singleton_storage)) _CLASSNAME_; \
s_initialized_singleton = true; \
} \
} \
\
return ::ams::util::GetReference(s_singleton_storage); \
#define AMS_SINGLETON_TRAITS(_CLASSNAME_) \
private: \
NON_COPYABLE(_CLASSNAME_); \
NON_MOVEABLE(_CLASSNAME_); \
private: \
_CLASSNAME_ (); \
public: \
static _CLASSNAME_ &GetInstance() { \
AMS_FUNCTION_LOCAL_STATIC(_CLASSNAME_, s_singleton_instance); \
\
return s_singleton_instance; \
}
#define AMS_CONSTINIT_SINGLETON_TRAITS(_CLASSNAME_) \
private: \
NON_COPYABLE(_CLASSNAME_); \
NON_MOVEABLE(_CLASSNAME_); \
private: \
constexpr _CLASSNAME_ () = default; \
public: \
static _CLASSNAME_ &GetInstance() { \
/* Declare singleton instance variables. */ \
static constinit _CLASSNAME_ s_singleton_instance; \
return s_singleton_instance; \
#define AMS_CONSTINIT_SINGLETON_TRAITS(_CLASSNAME_) \
private: \
NON_COPYABLE(_CLASSNAME_); \
NON_MOVEABLE(_CLASSNAME_); \
private: \
constexpr _CLASSNAME_ () = default; \
public: \
static _CLASSNAME_ &GetInstance() { \
/* Declare singleton instance variables. */ \
AMS_FUNCTION_LOCAL_STATIC_CONSTINIT(_CLASSNAME_, s_singleton_instance); \
return s_singleton_instance; \
}