有没有高人帮忙看看？下面是全部源码（从网上抄的），我是想获取当前内存使用量。
```go
package main
/*
#include <windows.h>
#include <Psapi.h>
void CountPrivate(PSAPI_WORKING_SET_INFORMATION* workSetInfo,int* count)
{
int workSetPrivate = 0;
for (ULONG_PTR i = 0; i < workSetInfo->NumberOfEntries; ++i)
{
if(!workSetInfo->WorkingSetInfo[i].Shared) // 如果不是共享页计数器+1
workSetPrivate += 1;
}
*count = workSetPrivate;
}
*/
import "C"
import (
"flag"
"fmt"
"syscall"
"unsafe"
)
const LARGE_BUFFER_SIZE = 256 * 1024 * 1024
var (
workSetInfo C.PSAPI_WORKING_SET_INFORMATION
psapi = syscall.NewLazyDLL("Psapi.dll")
QueryWorkingSet = psapi.NewProc("QueryWorkingSet")
)
func main() {
fmt.Println("go")
pid := flag.Int("p", 0, "-p pid")
fmt.Println(pid)
flag.Parse()
h, err := syscall.OpenProcess(0X0400|0X0010, false, uint32(*pid))
if err != nil {
fmt.Println(err)
//err:The parameter is incorrect.
return
}
defer syscall.CloseHandle(h)
var size = Query(h) * syscall.Getpagesize() / 1024 //单位转化为kb
fmt.Println("Memory:", size)
}
func Query(handle syscall.Handle) int {
var bufferSize = 0x8000
var buffer = make([]byte, bufferSize)
for {
r, _, _ := QueryWorkingSet.Call(uintptr(handle), uintptr(unsafe.Pointer(&buffer[0])), uintptr(bufferSize))
if r == 0 {
bufferSize *= 2
if bufferSize > LARGE_BUFFER_SIZE {
return 0
}
buffer = make([]byte, bufferSize)
continue
}
break
}
var count C.int
C.CountPrivate((*C.PSAPI_WORKING_SET_INFORMATION)(unsafe.Pointer(&buffer[0])), &count)
return int(count)
}
```
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