You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
710 lines
19 KiB
710 lines
19 KiB
// +build windows |
|
|
|
package process |
|
|
|
import ( |
|
"context" |
|
"fmt" |
|
"os" |
|
"strings" |
|
"syscall" |
|
"time" |
|
"unsafe" |
|
|
|
"github.com/StackExchange/wmi" |
|
cpu "github.com/shirou/gopsutil/cpu" |
|
"github.com/shirou/gopsutil/internal/common" |
|
net "github.com/shirou/gopsutil/net" |
|
"github.com/shirou/w32" |
|
"golang.org/x/sys/windows" |
|
) |
|
|
|
const ( |
|
NoMoreFiles = 0x12 |
|
MaxPathLength = 260 |
|
) |
|
|
|
var ( |
|
modpsapi = windows.NewLazyDLL("psapi.dll") |
|
procGetProcessMemoryInfo = modpsapi.NewProc("GetProcessMemoryInfo") |
|
) |
|
|
|
type SystemProcessInformation struct { |
|
NextEntryOffset uint64 |
|
NumberOfThreads uint64 |
|
Reserved1 [48]byte |
|
Reserved2 [3]byte |
|
UniqueProcessID uintptr |
|
Reserved3 uintptr |
|
HandleCount uint64 |
|
Reserved4 [4]byte |
|
Reserved5 [11]byte |
|
PeakPagefileUsage uint64 |
|
PrivatePageCount uint64 |
|
Reserved6 [6]uint64 |
|
} |
|
|
|
// Memory_info_ex is different between OSes |
|
type MemoryInfoExStat struct { |
|
} |
|
|
|
type MemoryMapsStat struct { |
|
} |
|
|
|
type Win32_Process struct { |
|
Name string |
|
ExecutablePath *string |
|
CommandLine *string |
|
Priority uint32 |
|
CreationDate *time.Time |
|
ProcessID uint32 |
|
ThreadCount uint32 |
|
Status *string |
|
ReadOperationCount uint64 |
|
ReadTransferCount uint64 |
|
WriteOperationCount uint64 |
|
WriteTransferCount uint64 |
|
CSCreationClassName string |
|
CSName string |
|
Caption *string |
|
CreationClassName string |
|
Description *string |
|
ExecutionState *uint16 |
|
HandleCount uint32 |
|
KernelModeTime uint64 |
|
MaximumWorkingSetSize *uint32 |
|
MinimumWorkingSetSize *uint32 |
|
OSCreationClassName string |
|
OSName string |
|
OtherOperationCount uint64 |
|
OtherTransferCount uint64 |
|
PageFaults uint32 |
|
PageFileUsage uint32 |
|
ParentProcessID uint32 |
|
PeakPageFileUsage uint32 |
|
PeakVirtualSize uint64 |
|
PeakWorkingSetSize uint32 |
|
PrivatePageCount uint64 |
|
TerminationDate *time.Time |
|
UserModeTime uint64 |
|
WorkingSetSize uint64 |
|
} |
|
|
|
func init() { |
|
wmi.DefaultClient.AllowMissingFields = true |
|
} |
|
|
|
func Pids() ([]int32, error) { |
|
return PidsWithContext(context.Background()) |
|
} |
|
|
|
func PidsWithContext(ctx context.Context) ([]int32, error) { |
|
// inspired by https://gist.github.com/henkman/3083408 |
|
// and https://github.com/giampaolo/psutil/blob/1c3a15f637521ba5c0031283da39c733fda53e4c/psutil/arch/windows/process_info.c#L315-L329 |
|
var ret []int32 |
|
var read uint32 = 0 |
|
var psSize uint32 = 1024 |
|
const dwordSize uint32 = 4 |
|
|
|
for { |
|
ps := make([]uint32, psSize) |
|
if !w32.EnumProcesses(ps, uint32(len(ps)), &read) { |
|
return nil, fmt.Errorf("could not get w32.EnumProcesses") |
|
} |
|
if uint32(len(ps)) == read { // ps buffer was too small to host every results, retry with a bigger one |
|
psSize += 1024 |
|
continue |
|
} |
|
for _, pid := range ps[:read/dwordSize] { |
|
ret = append(ret, int32(pid)) |
|
} |
|
return ret, nil |
|
|
|
} |
|
|
|
} |
|
|
|
func (p *Process) Ppid() (int32, error) { |
|
return p.PpidWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) PpidWithContext(ctx context.Context) (int32, error) { |
|
ppid, _, _, err := getFromSnapProcess(p.Pid) |
|
if err != nil { |
|
return 0, err |
|
} |
|
return ppid, nil |
|
} |
|
|
|
func GetWin32Proc(pid int32) ([]Win32_Process, error) { |
|
return GetWin32ProcWithContext(context.Background(), pid) |
|
} |
|
|
|
func GetWin32ProcWithContext(ctx context.Context, pid int32) ([]Win32_Process, error) { |
|
var dst []Win32_Process |
|
query := fmt.Sprintf("WHERE ProcessId = %d", pid) |
|
q := wmi.CreateQuery(&dst, query) |
|
err := common.WMIQueryWithContext(ctx, q, &dst) |
|
if err != nil { |
|
return []Win32_Process{}, fmt.Errorf("could not get win32Proc: %s", err) |
|
} |
|
|
|
if len(dst) == 0 { |
|
return []Win32_Process{}, fmt.Errorf("could not get win32Proc: empty") |
|
} |
|
|
|
return dst, nil |
|
} |
|
|
|
func (p *Process) Name() (string, error) { |
|
return p.NameWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) NameWithContext(ctx context.Context) (string, error) { |
|
_, _, name, err := getFromSnapProcess(p.Pid) |
|
if err != nil { |
|
return "", fmt.Errorf("could not get Name: %s", err) |
|
} |
|
return name, nil |
|
} |
|
|
|
func (p *Process) Tgid() (int32, error) { |
|
return 0, common.ErrNotImplementedError |
|
} |
|
|
|
func (p *Process) Exe() (string, error) { |
|
return p.ExeWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) ExeWithContext(ctx context.Context) (string, error) { |
|
dst, err := GetWin32Proc(p.Pid) |
|
if err != nil { |
|
return "", fmt.Errorf("could not get ExecutablePath: %s", err) |
|
} |
|
return *dst[0].ExecutablePath, nil |
|
} |
|
|
|
func (p *Process) Cmdline() (string, error) { |
|
return p.CmdlineWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) CmdlineWithContext(ctx context.Context) (string, error) { |
|
dst, err := GetWin32Proc(p.Pid) |
|
if err != nil { |
|
return "", fmt.Errorf("could not get CommandLine: %s", err) |
|
} |
|
return *dst[0].CommandLine, nil |
|
} |
|
|
|
// CmdlineSlice returns the command line arguments of the process as a slice with each |
|
// element being an argument. This merely returns the CommandLine informations passed |
|
// to the process split on the 0x20 ASCII character. |
|
func (p *Process) CmdlineSlice() ([]string, error) { |
|
return p.CmdlineSliceWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) CmdlineSliceWithContext(ctx context.Context) ([]string, error) { |
|
cmdline, err := p.Cmdline() |
|
if err != nil { |
|
return nil, err |
|
} |
|
return strings.Split(cmdline, " "), nil |
|
} |
|
|
|
func (p *Process) CreateTime() (int64, error) { |
|
return p.CreateTimeWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) CreateTimeWithContext(ctx context.Context) (int64, error) { |
|
ru, err := getRusage(p.Pid) |
|
if err != nil { |
|
return 0, fmt.Errorf("could not get CreationDate: %s", err) |
|
} |
|
|
|
return ru.CreationTime.Nanoseconds() / 1000000, nil |
|
} |
|
|
|
func (p *Process) Cwd() (string, error) { |
|
return p.CwdWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) CwdWithContext(ctx context.Context) (string, error) { |
|
return "", common.ErrNotImplementedError |
|
} |
|
func (p *Process) Parent() (*Process, error) { |
|
return p.ParentWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) ParentWithContext(ctx context.Context) (*Process, error) { |
|
ppid, err := p.PpidWithContext(ctx) |
|
if err != nil { |
|
return nil, fmt.Errorf("could not get ParentProcessID: %s", err) |
|
} |
|
|
|
return NewProcess(ppid) |
|
} |
|
func (p *Process) Status() (string, error) { |
|
return p.StatusWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) StatusWithContext(ctx context.Context) (string, error) { |
|
return "", common.ErrNotImplementedError |
|
} |
|
func (p *Process) Username() (string, error) { |
|
return p.UsernameWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) UsernameWithContext(ctx context.Context) (string, error) { |
|
pid := p.Pid |
|
// 0x1000 is PROCESS_QUERY_LIMITED_INFORMATION |
|
c, err := syscall.OpenProcess(0x1000, false, uint32(pid)) |
|
if err != nil { |
|
return "", err |
|
} |
|
defer syscall.CloseHandle(c) |
|
|
|
var token syscall.Token |
|
err = syscall.OpenProcessToken(c, syscall.TOKEN_QUERY, &token) |
|
if err != nil { |
|
return "", err |
|
} |
|
defer token.Close() |
|
tokenUser, err := token.GetTokenUser() |
|
if err != nil { |
|
return "", err |
|
} |
|
|
|
user, domain, _, err := tokenUser.User.Sid.LookupAccount("") |
|
return domain + "\\" + user, err |
|
} |
|
|
|
func (p *Process) Uids() ([]int32, error) { |
|
return p.UidsWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) UidsWithContext(ctx context.Context) ([]int32, error) { |
|
var uids []int32 |
|
|
|
return uids, common.ErrNotImplementedError |
|
} |
|
func (p *Process) Gids() ([]int32, error) { |
|
return p.GidsWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) GidsWithContext(ctx context.Context) ([]int32, error) { |
|
var gids []int32 |
|
return gids, common.ErrNotImplementedError |
|
} |
|
func (p *Process) Terminal() (string, error) { |
|
return p.TerminalWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) TerminalWithContext(ctx context.Context) (string, error) { |
|
return "", common.ErrNotImplementedError |
|
} |
|
|
|
// Nice returns priority in Windows |
|
func (p *Process) Nice() (int32, error) { |
|
return p.NiceWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) NiceWithContext(ctx context.Context) (int32, error) { |
|
dst, err := GetWin32Proc(p.Pid) |
|
if err != nil { |
|
return 0, fmt.Errorf("could not get Priority: %s", err) |
|
} |
|
return int32(dst[0].Priority), nil |
|
} |
|
func (p *Process) IOnice() (int32, error) { |
|
return p.IOniceWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) IOniceWithContext(ctx context.Context) (int32, error) { |
|
return 0, common.ErrNotImplementedError |
|
} |
|
func (p *Process) Rlimit() ([]RlimitStat, error) { |
|
return p.RlimitWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) RlimitWithContext(ctx context.Context) ([]RlimitStat, error) { |
|
var rlimit []RlimitStat |
|
|
|
return rlimit, common.ErrNotImplementedError |
|
} |
|
func (p *Process) RlimitUsage(gatherUsed bool) ([]RlimitStat, error) { |
|
return p.RlimitUsageWithContext(context.Background(), gatherUsed) |
|
} |
|
|
|
func (p *Process) RlimitUsageWithContext(ctx context.Context, gatherUsed bool) ([]RlimitStat, error) { |
|
var rlimit []RlimitStat |
|
|
|
return rlimit, common.ErrNotImplementedError |
|
} |
|
|
|
func (p *Process) IOCounters() (*IOCountersStat, error) { |
|
return p.IOCountersWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) IOCountersWithContext(ctx context.Context) (*IOCountersStat, error) { |
|
dst, err := GetWin32Proc(p.Pid) |
|
if err != nil || len(dst) == 0 { |
|
return nil, fmt.Errorf("could not get Win32Proc: %s", err) |
|
} |
|
ret := &IOCountersStat{ |
|
ReadCount: uint64(dst[0].ReadOperationCount), |
|
ReadBytes: uint64(dst[0].ReadTransferCount), |
|
WriteCount: uint64(dst[0].WriteOperationCount), |
|
WriteBytes: uint64(dst[0].WriteTransferCount), |
|
} |
|
|
|
return ret, nil |
|
} |
|
func (p *Process) NumCtxSwitches() (*NumCtxSwitchesStat, error) { |
|
return p.NumCtxSwitchesWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) NumCtxSwitchesWithContext(ctx context.Context) (*NumCtxSwitchesStat, error) { |
|
return nil, common.ErrNotImplementedError |
|
} |
|
func (p *Process) NumFDs() (int32, error) { |
|
return p.NumFDsWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) NumFDsWithContext(ctx context.Context) (int32, error) { |
|
return 0, common.ErrNotImplementedError |
|
} |
|
func (p *Process) NumThreads() (int32, error) { |
|
return p.NumThreadsWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) NumThreadsWithContext(ctx context.Context) (int32, error) { |
|
dst, err := GetWin32Proc(p.Pid) |
|
if err != nil { |
|
return 0, fmt.Errorf("could not get ThreadCount: %s", err) |
|
} |
|
return int32(dst[0].ThreadCount), nil |
|
} |
|
func (p *Process) Threads() (map[int32]*cpu.TimesStat, error) { |
|
return p.ThreadsWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) ThreadsWithContext(ctx context.Context) (map[int32]*cpu.TimesStat, error) { |
|
ret := make(map[int32]*cpu.TimesStat) |
|
return ret, common.ErrNotImplementedError |
|
} |
|
func (p *Process) Times() (*cpu.TimesStat, error) { |
|
return p.TimesWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) TimesWithContext(ctx context.Context) (*cpu.TimesStat, error) { |
|
sysTimes, err := getProcessCPUTimes(p.Pid) |
|
if err != nil { |
|
return nil, err |
|
} |
|
|
|
// User and kernel times are represented as a FILETIME structure |
|
// which contains a 64-bit value representing the number of |
|
// 100-nanosecond intervals since January 1, 1601 (UTC): |
|
// http://msdn.microsoft.com/en-us/library/ms724284(VS.85).aspx |
|
// To convert it into a float representing the seconds that the |
|
// process has executed in user/kernel mode I borrowed the code |
|
// below from psutil's _psutil_windows.c, and in turn from Python's |
|
// Modules/posixmodule.c |
|
|
|
user := float64(sysTimes.UserTime.HighDateTime)*429.4967296 + float64(sysTimes.UserTime.LowDateTime)*1e-7 |
|
kernel := float64(sysTimes.KernelTime.HighDateTime)*429.4967296 + float64(sysTimes.KernelTime.LowDateTime)*1e-7 |
|
|
|
return &cpu.TimesStat{ |
|
User: user, |
|
System: kernel, |
|
}, nil |
|
} |
|
func (p *Process) CPUAffinity() ([]int32, error) { |
|
return p.CPUAffinityWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) CPUAffinityWithContext(ctx context.Context) ([]int32, error) { |
|
return nil, common.ErrNotImplementedError |
|
} |
|
func (p *Process) MemoryInfo() (*MemoryInfoStat, error) { |
|
return p.MemoryInfoWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) MemoryInfoWithContext(ctx context.Context) (*MemoryInfoStat, error) { |
|
mem, err := getMemoryInfo(p.Pid) |
|
if err != nil { |
|
return nil, err |
|
} |
|
|
|
ret := &MemoryInfoStat{ |
|
RSS: uint64(mem.WorkingSetSize), |
|
VMS: uint64(mem.PagefileUsage), |
|
} |
|
|
|
return ret, nil |
|
} |
|
func (p *Process) MemoryInfoEx() (*MemoryInfoExStat, error) { |
|
return p.MemoryInfoExWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) MemoryInfoExWithContext(ctx context.Context) (*MemoryInfoExStat, error) { |
|
return nil, common.ErrNotImplementedError |
|
} |
|
|
|
func (p *Process) Children() ([]*Process, error) { |
|
return p.ChildrenWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) ChildrenWithContext(ctx context.Context) ([]*Process, error) { |
|
var dst []Win32_Process |
|
query := wmi.CreateQuery(&dst, fmt.Sprintf("Where ParentProcessId = %d", p.Pid)) |
|
err := common.WMIQueryWithContext(ctx, query, &dst) |
|
if err != nil { |
|
return nil, err |
|
} |
|
|
|
out := []*Process{} |
|
for _, proc := range dst { |
|
p, err := NewProcess(int32(proc.ProcessID)) |
|
if err != nil { |
|
continue |
|
} |
|
out = append(out, p) |
|
} |
|
|
|
return out, nil |
|
} |
|
|
|
func (p *Process) OpenFiles() ([]OpenFilesStat, error) { |
|
return p.OpenFilesWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) OpenFilesWithContext(ctx context.Context) ([]OpenFilesStat, error) { |
|
return nil, common.ErrNotImplementedError |
|
} |
|
|
|
func (p *Process) Connections() ([]net.ConnectionStat, error) { |
|
return p.ConnectionsWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) ConnectionsWithContext(ctx context.Context) ([]net.ConnectionStat, error) { |
|
return nil, common.ErrNotImplementedError |
|
} |
|
|
|
func (p *Process) NetIOCounters(pernic bool) ([]net.IOCountersStat, error) { |
|
return p.NetIOCountersWithContext(context.Background(), pernic) |
|
} |
|
|
|
func (p *Process) NetIOCountersWithContext(ctx context.Context, pernic bool) ([]net.IOCountersStat, error) { |
|
return nil, common.ErrNotImplementedError |
|
} |
|
|
|
func (p *Process) IsRunning() (bool, error) { |
|
return p.IsRunningWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) IsRunningWithContext(ctx context.Context) (bool, error) { |
|
return true, common.ErrNotImplementedError |
|
} |
|
|
|
func (p *Process) MemoryMaps(grouped bool) (*[]MemoryMapsStat, error) { |
|
return p.MemoryMapsWithContext(context.Background(), grouped) |
|
} |
|
|
|
func (p *Process) MemoryMapsWithContext(ctx context.Context, grouped bool) (*[]MemoryMapsStat, error) { |
|
var ret []MemoryMapsStat |
|
return &ret, common.ErrNotImplementedError |
|
} |
|
|
|
func NewProcess(pid int32) (*Process, error) { |
|
p := &Process{Pid: pid} |
|
|
|
return p, nil |
|
} |
|
|
|
func (p *Process) SendSignal(sig windows.Signal) error { |
|
return p.SendSignalWithContext(context.Background(), sig) |
|
} |
|
|
|
func (p *Process) SendSignalWithContext(ctx context.Context, sig windows.Signal) error { |
|
return common.ErrNotImplementedError |
|
} |
|
|
|
func (p *Process) Suspend() error { |
|
return p.SuspendWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) SuspendWithContext(ctx context.Context) error { |
|
return common.ErrNotImplementedError |
|
} |
|
func (p *Process) Resume() error { |
|
return p.ResumeWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) ResumeWithContext(ctx context.Context) error { |
|
return common.ErrNotImplementedError |
|
} |
|
|
|
func (p *Process) Terminate() error { |
|
return p.TerminateWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) TerminateWithContext(ctx context.Context) error { |
|
// PROCESS_TERMINATE = 0x0001 |
|
proc := w32.OpenProcess(0x0001, false, uint32(p.Pid)) |
|
ret := w32.TerminateProcess(proc, 0) |
|
w32.CloseHandle(proc) |
|
|
|
if ret == false { |
|
return windows.GetLastError() |
|
} else { |
|
return nil |
|
} |
|
} |
|
|
|
func (p *Process) Kill() error { |
|
return p.KillWithContext(context.Background()) |
|
} |
|
|
|
func (p *Process) KillWithContext(ctx context.Context) error { |
|
process := os.Process{Pid: int(p.Pid)} |
|
return process.Kill() |
|
} |
|
|
|
func getFromSnapProcess(pid int32) (int32, int32, string, error) { |
|
snap := w32.CreateToolhelp32Snapshot(w32.TH32CS_SNAPPROCESS, uint32(pid)) |
|
if snap == 0 { |
|
return 0, 0, "", windows.GetLastError() |
|
} |
|
defer w32.CloseHandle(snap) |
|
var pe32 w32.PROCESSENTRY32 |
|
pe32.DwSize = uint32(unsafe.Sizeof(pe32)) |
|
if w32.Process32First(snap, &pe32) == false { |
|
return 0, 0, "", windows.GetLastError() |
|
} |
|
|
|
if pe32.Th32ProcessID == uint32(pid) { |
|
szexe := windows.UTF16ToString(pe32.SzExeFile[:]) |
|
return int32(pe32.Th32ParentProcessID), int32(pe32.CntThreads), szexe, nil |
|
} |
|
|
|
for w32.Process32Next(snap, &pe32) { |
|
if pe32.Th32ProcessID == uint32(pid) { |
|
szexe := windows.UTF16ToString(pe32.SzExeFile[:]) |
|
return int32(pe32.Th32ParentProcessID), int32(pe32.CntThreads), szexe, nil |
|
} |
|
} |
|
return 0, 0, "", fmt.Errorf("Couldn't find pid: %d", pid) |
|
} |
|
|
|
// Get processes |
|
func Processes() ([]*Process, error) { |
|
return ProcessesWithContext(context.Background()) |
|
} |
|
|
|
func ProcessesWithContext(ctx context.Context) ([]*Process, error) { |
|
pids, err := Pids() |
|
if err != nil { |
|
return []*Process{}, fmt.Errorf("could not get Processes %s", err) |
|
} |
|
|
|
results := []*Process{} |
|
for _, pid := range pids { |
|
p, err := NewProcess(int32(pid)) |
|
if err != nil { |
|
continue |
|
} |
|
results = append(results, p) |
|
} |
|
|
|
return results, nil |
|
} |
|
|
|
func getProcInfo(pid int32) (*SystemProcessInformation, error) { |
|
initialBufferSize := uint64(0x4000) |
|
bufferSize := initialBufferSize |
|
buffer := make([]byte, bufferSize) |
|
|
|
var sysProcInfo SystemProcessInformation |
|
ret, _, _ := common.ProcNtQuerySystemInformation.Call( |
|
uintptr(unsafe.Pointer(&sysProcInfo)), |
|
uintptr(unsafe.Pointer(&buffer[0])), |
|
uintptr(unsafe.Pointer(&bufferSize)), |
|
uintptr(unsafe.Pointer(&bufferSize))) |
|
if ret != 0 { |
|
return nil, windows.GetLastError() |
|
} |
|
|
|
return &sysProcInfo, nil |
|
} |
|
|
|
func getRusage(pid int32) (*windows.Rusage, error) { |
|
var CPU windows.Rusage |
|
|
|
c, err := windows.OpenProcess(windows.PROCESS_QUERY_INFORMATION, false, uint32(pid)) |
|
if err != nil { |
|
return nil, err |
|
} |
|
defer windows.CloseHandle(c) |
|
|
|
if err := windows.GetProcessTimes(c, &CPU.CreationTime, &CPU.ExitTime, &CPU.KernelTime, &CPU.UserTime); err != nil { |
|
return nil, err |
|
} |
|
|
|
return &CPU, nil |
|
} |
|
|
|
func getMemoryInfo(pid int32) (PROCESS_MEMORY_COUNTERS, error) { |
|
var mem PROCESS_MEMORY_COUNTERS |
|
// PROCESS_QUERY_LIMITED_INFORMATION is 0x1000 |
|
c, err := windows.OpenProcess(0x1000, false, uint32(pid)) |
|
if err != nil { |
|
return mem, err |
|
} |
|
defer windows.CloseHandle(c) |
|
if err := getProcessMemoryInfo(c, &mem); err != nil { |
|
return mem, err |
|
} |
|
|
|
return mem, err |
|
} |
|
|
|
func getProcessMemoryInfo(h windows.Handle, mem *PROCESS_MEMORY_COUNTERS) (err error) { |
|
r1, _, e1 := syscall.Syscall(procGetProcessMemoryInfo.Addr(), 3, uintptr(h), uintptr(unsafe.Pointer(mem)), uintptr(unsafe.Sizeof(*mem))) |
|
if r1 == 0 { |
|
if e1 != 0 { |
|
err = error(e1) |
|
} else { |
|
err = syscall.EINVAL |
|
} |
|
} |
|
return |
|
} |
|
|
|
type SYSTEM_TIMES struct { |
|
CreateTime syscall.Filetime |
|
ExitTime syscall.Filetime |
|
KernelTime syscall.Filetime |
|
UserTime syscall.Filetime |
|
} |
|
|
|
func getProcessCPUTimes(pid int32) (SYSTEM_TIMES, error) { |
|
var times SYSTEM_TIMES |
|
|
|
// PROCESS_QUERY_LIMITED_INFORMATION is 0x1000 |
|
h, err := windows.OpenProcess(0x1000, false, uint32(pid)) |
|
if err != nil { |
|
return times, err |
|
} |
|
defer windows.CloseHandle(h) |
|
|
|
err = syscall.GetProcessTimes( |
|
syscall.Handle(h), |
|
×.CreateTime, |
|
×.ExitTime, |
|
×.KernelTime, |
|
×.UserTime, |
|
) |
|
|
|
return times, err |
|
}
|
|
|