__WSAFDIsSet

関数

ソケットがFD_SETに含まれるか判定する内部関数である。

DLLWS2_32.dll呼出規約winapi対応OSWindows 8.1 以降

シグネチャ

// WS2_32.dll
#include <windows.h>

INT __WSAFDIsSet(
    SOCKET fd,
    FD_SET* param1
);

パラメーター

名前	型	方向
fd	SOCKET	in
param1	FD_SET*	inout

戻り値の型: INT

各言語での呼び出し定義

// WS2_32.dll
#include <windows.h>

INT __WSAFDIsSet(
    SOCKET fd,
    FD_SET* param1
);

[DllImport("WS2_32.dll", ExactSpelling = true)]
static extern int __WSAFDIsSet(
    UIntPtr fd,   // SOCKET
    IntPtr param1   // FD_SET* in/out
);

<DllImport("WS2_32.dll", ExactSpelling:=True)>
Public Shared Function __WSAFDIsSet(
    fd As UIntPtr,   ' SOCKET
    param1 As IntPtr   ' FD_SET* in/out
) As Integer
End Function

' fd : SOCKET
' param1 : FD_SET* in/out
Declare PtrSafe Function __WSAFDIsSet Lib "ws2_32" ( _
    ByVal fd As LongPtr, _
    ByVal param1 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

__WSAFDIsSet = ctypes.windll.ws2_32.__WSAFDIsSet
__WSAFDIsSet.restype = ctypes.c_int
__WSAFDIsSet.argtypes = [
    ctypes.c_size_t,  # fd : SOCKET
    ctypes.c_void_p,  # param1 : FD_SET* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
__WSAFDIsSet = Fiddle::Function.new(
  lib['__WSAFDIsSet'],
  [
    Fiddle::TYPE_UINTPTR_T,  # fd : SOCKET
    Fiddle::TYPE_VOIDP,  # param1 : FD_SET* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn __WSAFDIsSet(
        fd: usize,  // SOCKET
        param1: *mut FD_SET  // FD_SET* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll")]
public static extern int __WSAFDIsSet(UIntPtr fd, IntPtr param1);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32___WSAFDIsSet' -Namespace Win32 -PassThru
# $api::__WSAFDIsSet(fd, param1)

#uselib "WS2_32.dll"
#func global __WSAFDIsSet "__WSAFDIsSet" sptr, sptr
; __WSAFDIsSet fd, varptr(param1)   ; 戻り値は stat
; fd : SOCKET -> "sptr"
; param1 : FD_SET* in/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 "WS2_32.dll"
#cfunc global __WSAFDIsSet "__WSAFDIsSet" sptr, var
; res = __WSAFDIsSet(fd, param1)
; fd : SOCKET -> "sptr"
; param1 : FD_SET* in/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 "WS2_32.dll"
#cfunc global __WSAFDIsSet "__WSAFDIsSet" sptr, sptr
; res = __WSAFDIsSet(fd, varptr(param1))
; fd : SOCKET -> "sptr"
; param1 : FD_SET* in/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:

; INT __WSAFDIsSet(SOCKET fd, FD_SET* param1)
#uselib "WS2_32.dll"
#cfunc global __WSAFDIsSet "__WSAFDIsSet" intptr, var
; res = __WSAFDIsSet(fd, param1)
; fd : SOCKET -> "intptr"
; param1 : FD_SET* in/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。; INT __WSAFDIsSet(SOCKET fd, FD_SET* param1)
#uselib "WS2_32.dll"
#cfunc global __WSAFDIsSet "__WSAFDIsSet" intptr, intptr
; res = __WSAFDIsSet(fd, varptr(param1))
; fd : SOCKET -> "intptr"
; param1 : FD_SET* in/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 (
	ws2_32 = windows.NewLazySystemDLL("WS2_32.dll")
	proc__WSAFDIsSet = ws2_32.NewProc("__WSAFDIsSet")
)

// fd (SOCKET), param1 (FD_SET* in/out)
r1, _, err := proc__WSAFDIsSet.Call(
	uintptr(fd),
	uintptr(param1),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function __WSAFDIsSet(
  fd: NativeUInt;   // SOCKET
  param1: Pointer   // FD_SET* in/out
): Integer; stdcall;
  external 'WS2_32.dll' name '__WSAFDIsSet';

result := DllCall("WS2_32\__WSAFDIsSet"
    , "UPtr", fd   ; SOCKET
    , "Ptr", param1   ; FD_SET* in/out
    , "Int")   ; return: INT

●__WSAFDIsSet(fd, param1) = DLL("WS2_32.dll", "int __WSAFDIsSet(int, void*)")
# 呼び出し: __WSAFDIsSet(fd, param1)
# fd : SOCKET -> "int"
# param1 : FD_SET* in/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)。