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include/fast_io_hosted/platforms/win32/win32_definitions.h

@@ -456,49 +456,133 @@ using farproc = ::std::ptrdiff_t(FAST_IO_STDCALL *)() noexcept;
 
 struct win32_memory_range_entry
 {
-	void* VirtualAddress;
+	void *VirtualAddress;
 	::std::size_t NumberOfBytes;
 };
 
 inline constexpr ::std::size_t exception_maximum_parameters{15u};
 
 struct exception_record
 {
-    ::std::uint_least32_t ExceptionCode;
-    ::std::uint_least32_t ExceptionFlags;
-    exception_record* ExceptionRecord;
-    void* ExceptionAddress;
-    ::std::uint_least32_t NumberParameters;
-    ::std::size_t ExceptionInformation[exception_maximum_parameters];
+	::std::uint_least32_t ExceptionCode;
+	::std::uint_least32_t ExceptionFlags;
+	exception_record *ExceptionRecord;
+	void *ExceptionAddress;
+	::std::uint_least32_t NumberParameters;
+	::std::size_t ExceptionInformation[exception_maximum_parameters];
 };
 
 struct exception_record32
 {
-    ::std::uint_least32_t ExceptionCode;
-    ::std::uint_least32_t ExceptionFlags;
-    ::std::uint_least32_t ExceptionRecord;
-    ::std::uint_least32_t ExceptionAddress;
-    ::std::uint_least32_t NumberParameters;
-    ::std::uint_least32_t ExceptionInformation[exception_maximum_parameters];
+	::std::uint_least32_t ExceptionCode;
+	::std::uint_least32_t ExceptionFlags;
+	::std::uint_least32_t ExceptionRecord;
+	::std::uint_least32_t ExceptionAddress;
+	::std::uint_least32_t NumberParameters;
+	::std::uint_least32_t ExceptionInformation[exception_maximum_parameters];
 };
 
 struct exception_record64
 {
-    ::std::uint_least32_t ExceptionCode;
-    ::std::uint_least32_t ExceptionFlags;
-    ::std::uint_least64_t ExceptionRecord;
-    ::std::uint_least64_t ExceptionAddress;
-    ::std::uint_least32_t NumberParameters;
-    ::std::uint_least32_t UnusedAlignment;
-    ::std::uint_least64_t ExceptionInformation[exception_maximum_parameters];
+	::std::uint_least32_t ExceptionCode;
+	::std::uint_least32_t ExceptionFlags;
+	::std::uint_least64_t ExceptionRecord;
+	::std::uint_least64_t ExceptionAddress;
+	::std::uint_least32_t NumberParameters;
+	::std::uint_least32_t UnusedAlignment;
+	::std::uint_least64_t ExceptionInformation[exception_maximum_parameters];
 };
 
 struct exception_pointers
 {
-    exception_record* ExceptionRecord;
-    void* ContextRecord;
+	exception_record *ExceptionRecord;
+	void *ContextRecord;
 };
 
 using pvectored_exception_handler = ::std::int_least32_t(FAST_IO_WINSTDCALL *)(exception_pointers *) noexcept;
 
+using address_family = ::std::uint_least16_t;
+
+inline constexpr ::std::size_t ss_maxsize{128u};
+inline constexpr ::std::size_t ss_alignsize{sizeof(::std::int_least64_t)};
+inline constexpr ::std::size_t ss_pad1size{ss_alignsize - sizeof(::std::uint_least16_t)};
+inline constexpr ::std::size_t ss_pad2size{ss_maxsize - (sizeof(::std::uint_least16_t) + ss_pad1size + ss_alignsize)};
+
+//
+// Definitions used for sockaddr_storage structure paddings design.
+//
+
+struct sockaddr_storage
+{
+	address_family ss_family;        // address family
+	char ss_pad1[ss_pad1size];       // 6 byte pad, this is to make
+									 //   implementation specific pad up to
+									 //   alignment field that follows explicit
+									 //   in the data structure
+	::std::int_least64_t __ss_align; // Field to force desired structure
+	char ss_pad2[ss_pad2size];       // 112 byte pad to achieve desired size;
+									 //   _SS_MAXSIZE value minus size of
+									 //   ss_family, __ss_pad1, and
+									 //   __ss_align fields is 112
+};
+
+struct in_addr
+{
+	union S_un_u
+	{
+		struct S_un_b_t
+		{
+			::std::uint_least8_t s_b1, s_b2, s_b3, s_b4;
+		} S_un_b;
+		struct S_un_w_t
+		{
+			::std::uint_least16_t s_w1, s_w2;
+		} S_un_w;
+		::std::uint_least32_t S_addr;
+	} S_un;
+};
+
+struct sockaddr_in
+{
+	address_family sin_family;
+	::std::uint_least16_t sin_port;
+	in_addr sin_addr;
+	char sin_zero[8];
+};
+
+struct in6_addr
+{
+	union u_u
+	{
+		::std::uint_least8_t Byte[16];
+		::std::uint_least16_t Word[8];
+	} u;
+};
+
+struct scope_id
+{
+	union DUMMYUNIONNAME_U
+	{
+		struct DUMMYSTRUCTNAME_T
+		{
+			::std::uint_least32_t Zone : 28;
+			::std::uint_least32_t Level : 4;
+		} DUMMYSTRUCTNAME;
+		::std::uint_least32_t Value;
+	} DUMMYUNIONNAME;
+};
+
+struct sockaddr_in6
+{
+	address_family sin6_family;          // AF_INET6.
+	::std::uint_least16_t sin6_port;     // Transport level port number.
+	::std::uint_least32_t sin6_flowinfo; // IPv6 flow information.
+	in6_addr sin6_addr;                  // IPv6 address.
+	union sin6_scope_u
+	{
+		::std::uint_least32_t sin6_scope_id; // Set of interfaces for a scope.
+		scope_id sin6_scope_struct;
+	} sin6_scope;
+};
+
 } // namespace fast_io::win32

include/fast_io_hosted/platforms/win32_network/socket_file.h

@@ -29,7 +29,7 @@ struct win32_socket_event_guard_t
 			return *this;
 		}
 
-		if(curr_handle) [[likely]]
+		if (curr_handle) [[likely]]
 		{
 			::fast_io::win32::WSACloseEvent(curr_handle);
 		}

include/fast_io_hosted/threads/thread/dos.h

@@ -1,11 +1,14 @@
 #pragma once
 
+// std
 #include <chrono>
 #include <ranges>
 #include <cstdint>
 #include <utility>
 #include <functional>
 #include <type_traits>
+// system
+#include <dpmi.h>
 
 namespace fast_io
 {
@@ -122,6 +125,18 @@ inline
 	auto const delta{unix_expect - now};
 	::fast_io::dos::this_thread::sleep_for(delta);
 }
+
+inline
+#if __cpp_constexpr >= 202207L
+	// https://en.cppreference.com/w/cpp/compiler_support/23.html#cpp_constexpr_202207L
+	// for reduce some warning purpose
+	constexpr
+#endif
+	void yield() noexcept
+{
+	::fast_io::noexcept_call(::__dpmi_yield);
+}
+
 } // namespace dos::this_thread
 
 #if defined(__MSDOS__) || defined(__DJGPP__)
@@ -131,6 +146,7 @@ namespace this_thread
 using ::fast_io::dos::this_thread::get_id;
 using ::fast_io::dos::this_thread::sleep_for;
 using ::fast_io::dos::this_thread::sleep_until;
+using ::fast_io::dos::this_thread::yield;
 } // namespace this_thread
 #endif
 

include/fast_io_hosted/threads/thread/nt.h

@@ -427,6 +427,18 @@ inline
 	}
 }
 
+template <bool zw = false>
+inline
+#if __cpp_constexpr >= 202207L
+	// https://en.cppreference.com/w/cpp/compiler_support/23.html#cpp_constexpr_202207L
+	// for reduce some warning purpose
+	constexpr
+#endif
+	void yield() noexcept
+{
+	::fast_io::win32::nt::nt_yield_execution<zw>();
+}
+
 } // namespace this_thread
 
 } // namespace win32::nt
@@ -442,6 +454,7 @@ namespace this_thread
 using ::fast_io::win32::nt::this_thread::get_id;
 using ::fast_io::win32::nt::this_thread::sleep_for;
 using ::fast_io::win32::nt::this_thread::sleep_until;
+using ::fast_io::win32::nt::this_thread::yield;
 } // namespace this_thread
 #endif