EnterSynchronizationBarrier

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

BOOL EnterSynchronizationBarrier(
    SYNCHRONIZATION_BARRIER* lpBarrier,
    DWORD dwFlags
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function EnterSynchronizationBarrier(
    lpBarrier As IntPtr,   ' SYNCHRONIZATION_BARRIER* in/out
    dwFlags As UInteger   ' DWORD
) As Boolean
End Function

' lpBarrier : SYNCHRONIZATION_BARRIER* in/out
' dwFlags : DWORD
Declare PtrSafe Function EnterSynchronizationBarrier Lib "kernel32" ( _
    ByVal lpBarrier As LongPtr, _
    ByVal dwFlags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

EnterSynchronizationBarrier = ctypes.windll.kernel32.EnterSynchronizationBarrier
EnterSynchronizationBarrier.restype = wintypes.BOOL
EnterSynchronizationBarrier.argtypes = [
    ctypes.c_void_p,  # lpBarrier : SYNCHRONIZATION_BARRIER* in/out
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
EnterSynchronizationBarrier = Fiddle::Function.new(
  lib['EnterSynchronizationBarrier'],
  [
    Fiddle::TYPE_VOIDP,  # lpBarrier : SYNCHRONIZATION_BARRIER* in/out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn EnterSynchronizationBarrier(
        lpBarrier: *mut SYNCHRONIZATION_BARRIER,  // SYNCHRONIZATION_BARRIER* in/out
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool EnterSynchronizationBarrier(IntPtr lpBarrier, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_EnterSynchronizationBarrier' -Namespace Win32 -PassThru
# $api::EnterSynchronizationBarrier(lpBarrier, dwFlags)

#uselib "KERNEL32.dll"
#func global EnterSynchronizationBarrier "EnterSynchronizationBarrier" sptr, sptr
; EnterSynchronizationBarrier varptr(lpBarrier), dwFlags   ; 戻り値は stat
; lpBarrier : SYNCHRONIZATION_BARRIER* in/out -> "sptr"
; dwFlags : DWORD -> "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。

#uselib "KERNEL32.dll"
#cfunc global EnterSynchronizationBarrier "EnterSynchronizationBarrier" var, int
; res = EnterSynchronizationBarrier(lpBarrier, dwFlags)
; lpBarrier : SYNCHRONIZATION_BARRIER* in/out -> "var"
; dwFlags : DWORD -> "int"
; ※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。

; BOOL EnterSynchronizationBarrier(SYNCHRONIZATION_BARRIER* lpBarrier, DWORD dwFlags)
#uselib "KERNEL32.dll"
#cfunc global EnterSynchronizationBarrier "EnterSynchronizationBarrier" var, int
; res = EnterSynchronizationBarrier(lpBarrier, dwFlags)
; lpBarrier : SYNCHRONIZATION_BARRIER* in/out -> "var"
; dwFlags : DWORD -> "int"
; ※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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procEnterSynchronizationBarrier = kernel32.NewProc("EnterSynchronizationBarrier")
)

// lpBarrier (SYNCHRONIZATION_BARRIER* in/out), dwFlags (DWORD)
r1, _, err := procEnterSynchronizationBarrier.Call(
	uintptr(lpBarrier),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EnterSynchronizationBarrier(
  lpBarrier: Pointer;   // SYNCHRONIZATION_BARRIER* in/out
  dwFlags: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'EnterSynchronizationBarrier';

result := DllCall("KERNEL32\EnterSynchronizationBarrier"
    , "Ptr", lpBarrier   ; SYNCHRONIZATION_BARRIER* in/out
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: BOOL

●EnterSynchronizationBarrier(lpBarrier, dwFlags) = DLL("KERNEL32.dll", "bool EnterSynchronizationBarrier(void*, dword)")
# 呼び出し: EnterSynchronizationBarrier(lpBarrier, dwFlags)
# lpBarrier : SYNCHRONIZATION_BARRIER* in/out -> "void*"
# dwFlags : DWORD -> "dword"
# 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)。