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named_thread: implement default thread name support

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This commit is contained in:
Nekotekina 2019-09-15 15:19:32 +03:00
parent 76314520ef
commit 75941e62a8
1 changed files with 26 additions and 0 deletions
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26
Utilities/Thread.h
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@ -102,6 +102,12 @@ struct thread_on_wait : std::bool_constant<false> {};
template <typename T> template <typename T>
struct thread_on_wait<T, decltype(std::declval<named_thread<T>&>().on_wait())> : std::bool_constant<true> {}; struct thread_on_wait<T, decltype(std::declval<named_thread<T>&>().on_wait())> : std::bool_constant<true> {};
template <typename T, typename = void>
struct thread_thread_name : std::bool_constant<false> {};
template <typename T>
struct thread_thread_name<T, std::void_t<decltype(named_thread<T>::thread_name)>> : std::bool_constant<true> {};
// Thread base class // Thread base class
class thread_base class thread_base
{ {
@ -380,6 +386,18 @@ class named_thread final : public Context, result_storage_t<Context>, thread_bas
return thread::finalize(0); return thread::finalize(0);
} }
static decltype(auto) get_default_thread_name()
{
if constexpr (thread_thread_name<Context>())
{
return Context::thread_name;
}
else
{
return "Unnamed Thread";
}
}
// Detached thread constructor // Detached thread constructor
named_thread(thread_state s, std::string_view name, Context&& f) named_thread(thread_state s, std::string_view name, Context&& f)
: Context(std::forward<Context>(f)) : Context(std::forward<Context>(f))
@ -392,6 +410,14 @@ class named_thread final : public Context, result_storage_t<Context>, thread_bas
friend class thread_ctrl; friend class thread_ctrl;
public: public:
// Default constructor
named_thread()
: Context()
, thread(get_default_thread_name())
{
thread::start(&named_thread::entry_point);
}
// Normal forwarding constructor // Normal forwarding constructor
template <typename... Args, typename = std::enable_if_t<std::is_constructible_v<Context, Args&&...>>> template <typename... Args, typename = std::enable_if_t<std::is_constructible_v<Context, Args&&...>>>
named_thread(std::string_view name, Args&&... args) named_thread(std::string_view name, Args&&... args)