Win32 API 日本語リファレンス
ホームStorage.FileSystem › QueryIoRingCapabilities

QueryIoRingCapabilities

関数
I/Oリング機能のサポート状況や上限を取得する。
DLLapi-ms-win-core-ioring-l1-1-0.dll呼出規約winapi

シグネチャ

// api-ms-win-core-ioring-l1-1-0.dll
#include <windows.h>

HRESULT QueryIoRingCapabilities(
    IORING_CAPABILITIES* capabilities
);

パラメーター

名前方向
capabilitiesIORING_CAPABILITIES*out

戻り値の型: HRESULT

各言語での呼び出し定義

// api-ms-win-core-ioring-l1-1-0.dll
#include <windows.h>

HRESULT QueryIoRingCapabilities(
    IORING_CAPABILITIES* capabilities
);
[DllImport("api-ms-win-core-ioring-l1-1-0.dll", ExactSpelling = true)]
static extern int QueryIoRingCapabilities(
    IntPtr capabilities   // IORING_CAPABILITIES* out
);
<DllImport("api-ms-win-core-ioring-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function QueryIoRingCapabilities(
    capabilities As IntPtr   ' IORING_CAPABILITIES* out
) As Integer
End Function
' capabilities : IORING_CAPABILITIES* out
Declare PtrSafe Function QueryIoRingCapabilities Lib "api-ms-win-core-ioring-l1-1-0" ( _
    ByVal capabilities As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

QueryIoRingCapabilities = ctypes.windll.LoadLibrary("api-ms-win-core-ioring-l1-1-0.dll").QueryIoRingCapabilities
QueryIoRingCapabilities.restype = ctypes.c_int
QueryIoRingCapabilities.argtypes = [
    ctypes.c_void_p,  # capabilities : IORING_CAPABILITIES* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-ioring-l1-1-0.dll')
QueryIoRingCapabilities = Fiddle::Function.new(
  lib['QueryIoRingCapabilities'],
  [
    Fiddle::TYPE_VOIDP,  # capabilities : IORING_CAPABILITIES* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "api-ms-win-core-ioring-l1-1-0")]
extern "system" {
    fn QueryIoRingCapabilities(
        capabilities: *mut IORING_CAPABILITIES  // IORING_CAPABILITIES* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("api-ms-win-core-ioring-l1-1-0.dll")]
public static extern int QueryIoRingCapabilities(IntPtr capabilities);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-ioring-l1-1-0_QueryIoRingCapabilities' -Namespace Win32 -PassThru
# $api::QueryIoRingCapabilities(capabilities)
#uselib "api-ms-win-core-ioring-l1-1-0.dll"
#func global QueryIoRingCapabilities "QueryIoRingCapabilities" sptr
; QueryIoRingCapabilities varptr(capabilities)   ; 戻り値は stat
; capabilities : IORING_CAPABILITIES* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。
出力引数:
#uselib "api-ms-win-core-ioring-l1-1-0.dll"
#cfunc global QueryIoRingCapabilities "QueryIoRingCapabilities" var
; res = QueryIoRingCapabilities(capabilities)
; capabilities : IORING_CAPABILITIES* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数:
; HRESULT QueryIoRingCapabilities(IORING_CAPABILITIES* capabilities)
#uselib "api-ms-win-core-ioring-l1-1-0.dll"
#cfunc global QueryIoRingCapabilities "QueryIoRingCapabilities" var
; res = QueryIoRingCapabilities(capabilities)
; capabilities : IORING_CAPABILITIES* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	api_ms_win_core_ioring_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-ioring-l1-1-0.dll")
	procQueryIoRingCapabilities = api_ms_win_core_ioring_l1_1_0.NewProc("QueryIoRingCapabilities")
)

// capabilities (IORING_CAPABILITIES* out)
r1, _, err := procQueryIoRingCapabilities.Call(
	uintptr(capabilities),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function QueryIoRingCapabilities(
  capabilities: Pointer   // IORING_CAPABILITIES* out
): Integer; stdcall;
  external 'api-ms-win-core-ioring-l1-1-0.dll' name 'QueryIoRingCapabilities';
result := DllCall("api-ms-win-core-ioring-l1-1-0\QueryIoRingCapabilities"
    , "Ptr", capabilities   ; IORING_CAPABILITIES* out
    , "Int")   ; return: HRESULT
●QueryIoRingCapabilities(capabilities) = DLL("api-ms-win-core-ioring-l1-1-0.dll", "int QueryIoRingCapabilities(void*)")
# 呼び出し: QueryIoRingCapabilities(capabilities)
# capabilities : IORING_CAPABILITIES* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。