Zabbix

//go:build windows

// +build windows

​

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

** See the GNU Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

package win32

​

import (

    "syscall"

    "unsafe"

)

​

var (

    hPsapi Hlib

​

    getProcessMemoryInfo uintptr

    getPerformanceInfo   uintptr

)

​

func init() {

    hPsapi = mustLoadLibrary("psapi.dll")

​

    getProcessMemoryInfo = hPsapi.mustGetProcAddress("GetProcessMemoryInfo")

    getPerformanceInfo = hPsapi.mustGetProcAddress("GetPerformanceInfo")

}

​

func GetProcessMemoryInfo(proc syscall.Handle) (mem *PROCESS_MEMORY_COUNTERS_EX, err error) {

    mem = &PROCESS_MEMORY_COUNTERS_EX{}

    mem.Cb = uint32(unsafe.Sizeof(*mem))

    ret, _, syserr := syscall.Syscall(getProcessMemoryInfo, 3, uintptr(proc), uintptr(unsafe.Pointer(mem)), uintptr(mem.Cb))

    if ret == 0 {

        return nil, syserr

    }

    return

}

​

func GetPerformanceInfo() (pinfo *PERFORMANCE_INFORMATION, err error) {

    pinfo = &PERFORMANCE_INFORMATION{}

    pinfo.Cb = uint32(unsafe.Sizeof(*pinfo))

    ret, _, syserr := syscall.Syscall(getPerformanceInfo, 2, uintptr(unsafe.Pointer(pinfo)), uintptr(pinfo.Cb), 0)

    if ret == 0 {

        return nil, syserr

    }

    return

}