vendorify
diff --git a/go/vendor/github.com/shirou/gopsutil/internal/common/common_unix.go b/go/vendor/github.com/shirou/gopsutil/internal/common/common_unix.go
new file mode 100644
index 0000000..750a592
--- /dev/null
+++ b/go/vendor/github.com/shirou/gopsutil/internal/common/common_unix.go
@@ -0,0 +1,67 @@
+// +build linux freebsd darwin openbsd
+
+package common
+
+import (
+ "context"
+ "os/exec"
+ "strconv"
+ "strings"
+)
+
+func CallLsofWithContext(ctx context.Context, invoke Invoker, pid int32, args ...string) ([]string, error) {
+ var cmd []string
+ if pid == 0 { // will get from all processes.
+ cmd = []string{"-a", "-n", "-P"}
+ } else {
+ cmd = []string{"-a", "-n", "-P", "-p", strconv.Itoa(int(pid))}
+ }
+ cmd = append(cmd, args...)
+ lsof, err := exec.LookPath("lsof")
+ if err != nil {
+ return []string{}, err
+ }
+ out, err := invoke.CommandWithContext(ctx, lsof, cmd...)
+ if err != nil {
+ // if no pid found, lsof returnes code 1.
+ if err.Error() == "exit status 1" && len(out) == 0 {
+ return []string{}, nil
+ }
+ }
+ lines := strings.Split(string(out), "\n")
+
+ var ret []string
+ for _, l := range lines[1:] {
+ if len(l) == 0 {
+ continue
+ }
+ ret = append(ret, l)
+ }
+ return ret, nil
+}
+
+func CallPgrepWithContext(ctx context.Context, invoke Invoker, pid int32) ([]int32, error) {
+ var cmd []string
+ cmd = []string{"-P", strconv.Itoa(int(pid))}
+ pgrep, err := exec.LookPath("pgrep")
+ if err != nil {
+ return []int32{}, err
+ }
+ out, err := invoke.CommandWithContext(ctx, pgrep, cmd...)
+ if err != nil {
+ return []int32{}, err
+ }
+ lines := strings.Split(string(out), "\n")
+ ret := make([]int32, 0, len(lines))
+ for _, l := range lines {
+ if len(l) == 0 {
+ continue
+ }
+ i, err := strconv.Atoi(l)
+ if err != nil {
+ continue
+ }
+ ret = append(ret, int32(i))
+ }
+ return ret, nil
+}