-- remove syscall.SIGKILL from list of arguments --
package main

import (
	"os"
	"os/signal"
	"syscall"
)

func fn() {
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	signal.Ignore()           // want `cannot be trapped`
	signal.Ignore(os.Kill)    // want `cannot be trapped`
	signal.Notify(c, os.Kill) // want `cannot be trapped`
	signal.Reset(os.Kill)     // want `cannot be trapped`
	signal.Ignore()           // want `cannot be trapped`
	signal.Notify(c)          // want `cannot be trapped`
	signal.Reset()            // want `cannot be trapped`
}

-- remove os.Kill from list of arguments --
package main

import (
	"os"
	"os/signal"
	"syscall"
)

func fn() {
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	signal.Ignore(os.Signal(syscall.SIGKILL)) // want `cannot be trapped`
	signal.Ignore()                           // want `cannot be trapped`
	signal.Notify(c)                          // want `cannot be trapped`
	signal.Reset()                            // want `cannot be trapped`
	signal.Ignore(syscall.SIGKILL)            // want `cannot be trapped`
	signal.Notify(c, syscall.SIGKILL)         // want `cannot be trapped`
	signal.Reset(syscall.SIGKILL)             // want `cannot be trapped`
}

-- use syscall.SIGTERM instead of syscall.SIGKILL --
package main

import (
	"os"
	"os/signal"
	"syscall"
)

func fn() {
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	signal.Ignore(syscall.SIGTERM)    // want `cannot be trapped`
	signal.Ignore(os.Kill)            // want `cannot be trapped`
	signal.Notify(c, os.Kill)         // want `cannot be trapped`
	signal.Reset(os.Kill)             // want `cannot be trapped`
	signal.Ignore(syscall.SIGTERM)    // want `cannot be trapped`
	signal.Notify(c, syscall.SIGTERM) // want `cannot be trapped`
	signal.Reset(syscall.SIGTERM)     // want `cannot be trapped`
}

-- use syscall.SIGTERM instead of os.Kill --
package main

import (
	"os"
	"os/signal"
	"syscall"
)

func fn() {
	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	signal.Ignore(os.Signal(syscall.SIGKILL)) // want `cannot be trapped`
	signal.Ignore(syscall.SIGTERM)            // want `cannot be trapped`
	signal.Notify(c, syscall.SIGTERM)         // want `cannot be trapped`
	signal.Reset(syscall.SIGTERM)             // want `cannot be trapped`
	signal.Ignore(syscall.SIGKILL)            // want `cannot be trapped`
	signal.Notify(c, syscall.SIGKILL)         // want `cannot be trapped`
	signal.Reset(syscall.SIGKILL)             // want `cannot be trapped`
}