Overwrite devstate.json if PId not exists

pkg/state/process_unix.go

@@ -0,0 +1,38 @@
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
+
+package state
+
+import (
+	"fmt"
+	"os"
+	"syscall"
+)
+
+func pidExists(pid int) (bool, error) {
+	if pid <= 0 {
+		return false, fmt.Errorf("invalid pid %v", pid)
+	}
+	proc, err := os.FindProcess(pid)
+	if err != nil {
+		return false, nil
+	}
+	err = proc.Signal(syscall.Signal(0))
+	if err == nil {
+		return true, nil
+	}
+	if err.Error() == "os: process already finished" {
+		return false, nil
+	}
+	errno, ok := err.(syscall.Errno)
+	if !ok {
+		return false, err
+	}
+	switch errno {
+	case syscall.ESRCH:
+		return false, nil
+	case syscall.EPERM:
+		return true, nil
+	}
+	return false, err
+}

pkg/state/process_windows.go

@@ -0,0 +1,17 @@
+package state
+
+import (
+	"fmt"
+	"os"
+)
+
+func pidExists(pid int) (bool, error) {
+	if pid <= 0 {
+		return false, fmt.Errorf("invalid pid %v", pid)
+	}
+	_, err := os.FindProcess(pid)
+	if err != nil {
+		return false, nil
+	}
+	return true, nil
+}

pkg/state/state.go

@@ -154,5 +154,15 @@ func (o *State) isFreeOrOwnedBy(pid int) (bool, error) {
 		// File is owned by process
 		return true, nil
 	}
+
+	exists, err := pidExists(savedContent.PID)
+	if err != nil {
+		return false, err
+	}
+	if !exists {
+		// Process already finished
+		return true, nil
+	}
+
 	return false, nil
 }