SwitchToFiber

関数

現在のスレッドで指定したファイバーに実行を切り替える。

DLLKERNEL32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

void SwitchToFiber(
    void* lpFiber
);

パラメーター

名前	型	方向
lpFiber	void*	in

戻り値の型: void

各言語での呼び出し定義

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

void SwitchToFiber(
    void* lpFiber
);

[DllImport("KERNEL32.dll", ExactSpelling = true)]
static extern void SwitchToFiber(
    IntPtr lpFiber   // void*
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Sub SwitchToFiber(
    lpFiber As IntPtr   ' void*
)
End Sub

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

import ctypes
from ctypes import wintypes

SwitchToFiber = ctypes.windll.kernel32.SwitchToFiber
SwitchToFiber.restype = None
SwitchToFiber.argtypes = [
    ctypes.POINTER(None),  # lpFiber : void*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SwitchToFiber = Fiddle::Function.new(
  lib['SwitchToFiber'],
  [
    Fiddle::TYPE_VOIDP,  # lpFiber : void*
  ],
  Fiddle::TYPE_VOID)

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

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern void SwitchToFiber(IntPtr lpFiber);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SwitchToFiber' -Namespace Win32 -PassThru
# $api::SwitchToFiber(lpFiber)

#uselib "KERNEL32.dll"
#func global SwitchToFiber "SwitchToFiber" sptr
; SwitchToFiber lpFiber
; lpFiber : void* -> "sptr"

#uselib "KERNEL32.dll"
#func global SwitchToFiber "SwitchToFiber" sptr
; SwitchToFiber lpFiber
; lpFiber : void* -> "sptr"

; void SwitchToFiber(void* lpFiber)
#uselib "KERNEL32.dll"
#func global SwitchToFiber "SwitchToFiber" intptr
; SwitchToFiber lpFiber
; lpFiber : void* -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSwitchToFiber = kernel32.NewProc("SwitchToFiber")
)

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

procedure SwitchToFiber(
  lpFiber: Pointer   // void*
); stdcall;
  external 'KERNEL32.dll' name 'SwitchToFiber';

result := DllCall("KERNEL32\SwitchToFiber"
    , "Ptr", lpFiber   ; void*
    , "Int")   ; return: void

●SwitchToFiber(lpFiber) = DLL("KERNEL32.dll", "int SwitchToFiber(void*)")
# 呼び出し: SwitchToFiber(lpFiber)
# lpFiber : void* -> "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)。