shirou_gopsutil/process/process_darwin_nocgo.go

133 lines
3.1 KiB
Go

//go:build darwin && !cgo
// +build darwin,!cgo
package process
import (
"context"
"fmt"
"os/exec"
"strconv"
"strings"
"github.com/shirou/gopsutil/v3/cpu"
"github.com/shirou/gopsutil/v3/internal/common"
)
func (p *Process) CwdWithContext(ctx context.Context) (string, error) {
return "", common.ErrNotImplementedError
}
func (p *Process) ExeWithContext(ctx context.Context) (string, error) {
lsof_bin, err := exec.LookPath("lsof")
if err != nil {
return "", err
}
out, err := invoke.CommandWithContext(ctx, lsof_bin, "-p", strconv.Itoa(int(p.Pid)), "-Fpfn")
if err != nil {
return "", fmt.Errorf("bad call to lsof: %s", err)
}
txtFound := 0
lines := strings.Split(string(out), "\n")
for i := 1; i < len(lines); i++ {
if lines[i] == "ftxt" {
txtFound++
if txtFound == 2 {
return lines[i-1][1:], nil
}
}
}
return "", fmt.Errorf("missing txt data returned by lsof")
}
func (p *Process) CmdlineWithContext(ctx context.Context) (string, error) {
r, err := callPsWithContext(ctx, "command", p.Pid, false, false)
if err != nil {
return "", err
}
return strings.Join(r[0], " "), err
}
func (p *Process) cmdNameWithContext(ctx context.Context) (string, error) {
r, err := callPsWithContext(ctx, "command", p.Pid, false, true)
if err != nil {
return "", err
}
if len(r) > 0 && len(r[0]) > 0 {
return r[0][0], err
}
return "", err
}
// CmdlineSliceWithContext returns the command line arguments of the process as a slice with each
// element being an argument. Because of current deficiencies in the way that the command
// line arguments are found, single arguments that have spaces in the will actually be
// reported as two separate items. In order to do something better CGO would be needed
// to use the native darwin functions.
func (p *Process) CmdlineSliceWithContext(ctx context.Context) ([]string, error) {
r, err := callPsWithContext(ctx, "command", p.Pid, false, false)
if err != nil {
return nil, err
}
return r[0], err
}
func (p *Process) NumThreadsWithContext(ctx context.Context) (int32, error) {
r, err := callPsWithContext(ctx, "utime,stime", p.Pid, true, false)
if err != nil {
return 0, err
}
return int32(len(r)), nil
}
func (p *Process) TimesWithContext(ctx context.Context) (*cpu.TimesStat, error) {
r, err := callPsWithContext(ctx, "utime,stime", p.Pid, false, false)
if err != nil {
return nil, err
}
utime, err := convertCPUTimes(r[0][0])
if err != nil {
return nil, err
}
stime, err := convertCPUTimes(r[0][1])
if err != nil {
return nil, err
}
ret := &cpu.TimesStat{
CPU: "cpu",
User: utime,
System: stime,
}
return ret, nil
}
func (p *Process) MemoryInfoWithContext(ctx context.Context) (*MemoryInfoStat, error) {
r, err := callPsWithContext(ctx, "rss,vsize,pagein", p.Pid, false, false)
if err != nil {
return nil, err
}
rss, err := strconv.Atoi(r[0][0])
if err != nil {
return nil, err
}
vms, err := strconv.Atoi(r[0][1])
if err != nil {
return nil, err
}
pagein, err := strconv.Atoi(r[0][2])
if err != nil {
return nil, err
}
ret := &MemoryInfoStat{
RSS: uint64(rss) * 1024,
VMS: uint64(vms) * 1024,
Swap: uint64(pagein),
}
return ret, nil
}