ホーム › System.JobObjects › QueryInformationJobObject
QueryInformationJobObject
関数ジョブオブジェクトの情報を照会する。
シグネチャ
// KERNEL32.dll
#include <windows.h>
BOOL QueryInformationJobObject(
HANDLE hJob, // optional
JOBOBJECTINFOCLASS JobObjectInformationClass,
void* lpJobObjectInformation,
DWORD cbJobObjectInformationLength,
DWORD* lpReturnLength // optional
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| hJob | HANDLE | inoptional |
| JobObjectInformationClass | JOBOBJECTINFOCLASS | in |
| lpJobObjectInformation | void* | out |
| cbJobObjectInformationLength | DWORD | in |
| lpReturnLength | DWORD* | outoptional |
戻り値の型: BOOL
各言語での呼び出し定義
// KERNEL32.dll
#include <windows.h>
BOOL QueryInformationJobObject(
HANDLE hJob, // optional
JOBOBJECTINFOCLASS JobObjectInformationClass,
void* lpJobObjectInformation,
DWORD cbJobObjectInformationLength,
DWORD* lpReturnLength // optional
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool QueryInformationJobObject(
IntPtr hJob, // HANDLE optional
int JobObjectInformationClass, // JOBOBJECTINFOCLASS
IntPtr lpJobObjectInformation, // void* out
uint cbJobObjectInformationLength, // DWORD
IntPtr lpReturnLength // DWORD* optional, out
);<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function QueryInformationJobObject(
hJob As IntPtr, ' HANDLE optional
JobObjectInformationClass As Integer, ' JOBOBJECTINFOCLASS
lpJobObjectInformation As IntPtr, ' void* out
cbJobObjectInformationLength As UInteger, ' DWORD
lpReturnLength As IntPtr ' DWORD* optional, out
) As Boolean
End Function' hJob : HANDLE optional
' JobObjectInformationClass : JOBOBJECTINFOCLASS
' lpJobObjectInformation : void* out
' cbJobObjectInformationLength : DWORD
' lpReturnLength : DWORD* optional, out
Declare PtrSafe Function QueryInformationJobObject Lib "kernel32" ( _
ByVal hJob As LongPtr, _
ByVal JobObjectInformationClass As Long, _
ByVal lpJobObjectInformation As LongPtr, _
ByVal cbJobObjectInformationLength As Long, _
ByVal lpReturnLength 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
QueryInformationJobObject = ctypes.windll.kernel32.QueryInformationJobObject
QueryInformationJobObject.restype = wintypes.BOOL
QueryInformationJobObject.argtypes = [
wintypes.HANDLE, # hJob : HANDLE optional
ctypes.c_int, # JobObjectInformationClass : JOBOBJECTINFOCLASS
ctypes.POINTER(None), # lpJobObjectInformation : void* out
wintypes.DWORD, # cbJobObjectInformationLength : DWORD
ctypes.POINTER(wintypes.DWORD), # lpReturnLength : DWORD* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('KERNEL32.dll')
QueryInformationJobObject = Fiddle::Function.new(
lib['QueryInformationJobObject'],
[
Fiddle::TYPE_VOIDP, # hJob : HANDLE optional
Fiddle::TYPE_INT, # JobObjectInformationClass : JOBOBJECTINFOCLASS
Fiddle::TYPE_VOIDP, # lpJobObjectInformation : void* out
-Fiddle::TYPE_INT, # cbJobObjectInformationLength : DWORD
Fiddle::TYPE_VOIDP, # lpReturnLength : DWORD* optional, out
],
Fiddle::TYPE_INT)#[link(name = "kernel32")]
extern "system" {
fn QueryInformationJobObject(
hJob: *mut core::ffi::c_void, // HANDLE optional
JobObjectInformationClass: i32, // JOBOBJECTINFOCLASS
lpJobObjectInformation: *mut (), // void* out
cbJobObjectInformationLength: u32, // DWORD
lpReturnLength: *mut u32 // DWORD* optional, out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool QueryInformationJobObject(IntPtr hJob, int JobObjectInformationClass, IntPtr lpJobObjectInformation, uint cbJobObjectInformationLength, IntPtr lpReturnLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_QueryInformationJobObject' -Namespace Win32 -PassThru
# $api::QueryInformationJobObject(hJob, JobObjectInformationClass, lpJobObjectInformation, cbJobObjectInformationLength, lpReturnLength)#uselib "KERNEL32.dll"
#func global QueryInformationJobObject "QueryInformationJobObject" sptr, sptr, sptr, sptr, sptr
; QueryInformationJobObject hJob, JobObjectInformationClass, lpJobObjectInformation, cbJobObjectInformationLength, varptr(lpReturnLength) ; 戻り値は stat
; hJob : HANDLE optional -> "sptr"
; JobObjectInformationClass : JOBOBJECTINFOCLASS -> "sptr"
; lpJobObjectInformation : void* out -> "sptr"
; cbJobObjectInformationLength : DWORD -> "sptr"
; lpReturnLength : DWORD* optional, 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 "KERNEL32.dll" #cfunc global QueryInformationJobObject "QueryInformationJobObject" sptr, int, sptr, int, var ; res = QueryInformationJobObject(hJob, JobObjectInformationClass, lpJobObjectInformation, cbJobObjectInformationLength, lpReturnLength) ; hJob : HANDLE optional -> "sptr" ; JobObjectInformationClass : JOBOBJECTINFOCLASS -> "int" ; lpJobObjectInformation : void* out -> "sptr" ; cbJobObjectInformationLength : DWORD -> "int" ; lpReturnLength : DWORD* optional, 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" #cfunc global QueryInformationJobObject "QueryInformationJobObject" sptr, int, sptr, int, sptr ; res = QueryInformationJobObject(hJob, JobObjectInformationClass, lpJobObjectInformation, cbJobObjectInformationLength, varptr(lpReturnLength)) ; hJob : HANDLE optional -> "sptr" ; JobObjectInformationClass : JOBOBJECTINFOCLASS -> "int" ; lpJobObjectInformation : void* out -> "sptr" ; cbJobObjectInformationLength : DWORD -> "int" ; lpReturnLength : DWORD* optional, 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:
; BOOL QueryInformationJobObject(HANDLE hJob, JOBOBJECTINFOCLASS JobObjectInformationClass, void* lpJobObjectInformation, DWORD cbJobObjectInformationLength, DWORD* lpReturnLength) #uselib "KERNEL32.dll" #cfunc global QueryInformationJobObject "QueryInformationJobObject" intptr, int, intptr, int, var ; res = QueryInformationJobObject(hJob, JobObjectInformationClass, lpJobObjectInformation, cbJobObjectInformationLength, lpReturnLength) ; hJob : HANDLE optional -> "intptr" ; JobObjectInformationClass : JOBOBJECTINFOCLASS -> "int" ; lpJobObjectInformation : void* out -> "intptr" ; cbJobObjectInformationLength : DWORD -> "int" ; lpReturnLength : DWORD* optional, 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。; BOOL QueryInformationJobObject(HANDLE hJob, JOBOBJECTINFOCLASS JobObjectInformationClass, void* lpJobObjectInformation, DWORD cbJobObjectInformationLength, DWORD* lpReturnLength) #uselib "KERNEL32.dll" #cfunc global QueryInformationJobObject "QueryInformationJobObject" intptr, int, intptr, int, intptr ; res = QueryInformationJobObject(hJob, JobObjectInformationClass, lpJobObjectInformation, cbJobObjectInformationLength, varptr(lpReturnLength)) ; hJob : HANDLE optional -> "intptr" ; JobObjectInformationClass : JOBOBJECTINFOCLASS -> "int" ; lpJobObjectInformation : void* out -> "intptr" ; cbJobObjectInformationLength : DWORD -> "int" ; lpReturnLength : DWORD* optional, 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")
procQueryInformationJobObject = kernel32.NewProc("QueryInformationJobObject")
)
// hJob (HANDLE optional), JobObjectInformationClass (JOBOBJECTINFOCLASS), lpJobObjectInformation (void* out), cbJobObjectInformationLength (DWORD), lpReturnLength (DWORD* optional, out)
r1, _, err := procQueryInformationJobObject.Call(
uintptr(hJob),
uintptr(JobObjectInformationClass),
uintptr(lpJobObjectInformation),
uintptr(cbJobObjectInformationLength),
uintptr(lpReturnLength),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction QueryInformationJobObject(
hJob: THandle; // HANDLE optional
JobObjectInformationClass: Integer; // JOBOBJECTINFOCLASS
lpJobObjectInformation: Pointer; // void* out
cbJobObjectInformationLength: DWORD; // DWORD
lpReturnLength: Pointer // DWORD* optional, out
): BOOL; stdcall;
external 'KERNEL32.dll' name 'QueryInformationJobObject';result := DllCall("KERNEL32\QueryInformationJobObject"
, "Ptr", hJob ; HANDLE optional
, "Int", JobObjectInformationClass ; JOBOBJECTINFOCLASS
, "Ptr", lpJobObjectInformation ; void* out
, "UInt", cbJobObjectInformationLength ; DWORD
, "Ptr", lpReturnLength ; DWORD* optional, out
, "Int") ; return: BOOL●QueryInformationJobObject(hJob, JobObjectInformationClass, lpJobObjectInformation, cbJobObjectInformationLength, lpReturnLength) = DLL("KERNEL32.dll", "bool QueryInformationJobObject(void*, int, void*, dword, void*)")
# 呼び出し: QueryInformationJobObject(hJob, JobObjectInformationClass, lpJobObjectInformation, cbJobObjectInformationLength, lpReturnLength)
# hJob : HANDLE optional -> "void*"
# JobObjectInformationClass : JOBOBJECTINFOCLASS -> "int"
# lpJobObjectInformation : void* out -> "void*"
# cbJobObjectInformationLength : DWORD -> "dword"
# lpReturnLength : DWORD* optional, 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)。