ホーム › System.Threading › InitializeCriticalSection

InitializeCriticalSection

関数

クリティカルセクションオブジェクトを初期化する。

DLLKERNEL32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

// KERNEL32.dll
#include <windows.h>

void InitializeCriticalSection(
    CRITICAL_SECTION* lpCriticalSection
);

パラメーター

名前	型	方向
lpCriticalSection	CRITICAL_SECTION*	out

戻り値の型: void

各言語での呼び出し定義

// KERNEL32.dll
#include <windows.h>

void InitializeCriticalSection(
    CRITICAL_SECTION* lpCriticalSection
);

[DllImport("KERNEL32.dll", ExactSpelling = true)]
static extern void InitializeCriticalSection(
    IntPtr lpCriticalSection   // CRITICAL_SECTION* out
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Sub InitializeCriticalSection(
    lpCriticalSection As IntPtr   ' CRITICAL_SECTION* out
)
End Sub

' lpCriticalSection : CRITICAL_SECTION* out
Declare PtrSafe Sub InitializeCriticalSection Lib "kernel32" ( _
    ByVal lpCriticalSection As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

InitializeCriticalSection = ctypes.windll.kernel32.InitializeCriticalSection
InitializeCriticalSection.restype = None
InitializeCriticalSection.argtypes = [
    ctypes.c_void_p,  # lpCriticalSection : CRITICAL_SECTION* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
InitializeCriticalSection = Fiddle::Function.new(
  lib['InitializeCriticalSection'],
  [
    Fiddle::TYPE_VOIDP,  # lpCriticalSection : CRITICAL_SECTION* out
  ],
  Fiddle::TYPE_VOID)

#[link(name = "kernel32")]
extern "system" {
    fn InitializeCriticalSection(
        lpCriticalSection: *mut CRITICAL_SECTION  // CRITICAL_SECTION* out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern void InitializeCriticalSection(IntPtr lpCriticalSection);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_InitializeCriticalSection' -Namespace Win32 -PassThru
# $api::InitializeCriticalSection(lpCriticalSection)

#uselib "KERNEL32.dll"
#func global InitializeCriticalSection "InitializeCriticalSection" sptr
; InitializeCriticalSection varptr(lpCriticalSection)
; lpCriticalSection : CRITICAL_SECTION* out -> "sptr"

出力引数:

#uselib "KERNEL32.dll"
#func global InitializeCriticalSection "InitializeCriticalSection" var
; InitializeCriticalSection lpCriticalSection
; lpCriticalSection : CRITICAL_SECTION* 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。#uselib "KERNEL32.dll"
#func global InitializeCriticalSection "InitializeCriticalSection" sptr
; InitializeCriticalSection varptr(lpCriticalSection)
; lpCriticalSection : CRITICAL_SECTION* out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; void InitializeCriticalSection(CRITICAL_SECTION* lpCriticalSection)
#uselib "KERNEL32.dll"
#func global InitializeCriticalSection "InitializeCriticalSection" var
; InitializeCriticalSection lpCriticalSection
; lpCriticalSection : CRITICAL_SECTION* 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。; void InitializeCriticalSection(CRITICAL_SECTION* lpCriticalSection)
#uselib "KERNEL32.dll"
#func global InitializeCriticalSection "InitializeCriticalSection" intptr
; InitializeCriticalSection varptr(lpCriticalSection)
; lpCriticalSection : CRITICAL_SECTION* out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procInitializeCriticalSection = kernel32.NewProc("InitializeCriticalSection")
)

// lpCriticalSection (CRITICAL_SECTION* out)
r1, _, err := procInitializeCriticalSection.Call(
	uintptr(lpCriticalSection),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure InitializeCriticalSection(
  lpCriticalSection: Pointer   // CRITICAL_SECTION* out
); stdcall;
  external 'KERNEL32.dll' name 'InitializeCriticalSection';

result := DllCall("KERNEL32\InitializeCriticalSection"
    , "Ptr", lpCriticalSection   ; CRITICAL_SECTION* out
    , "Int")   ; return: void

●InitializeCriticalSection(lpCriticalSection) = DLL("KERNEL32.dll", "int InitializeCriticalSection(void*)")
# 呼び出し: InitializeCriticalSection(lpCriticalSection)
# lpCriticalSection : CRITICAL_SECTION* 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)。