golang signal 代码
文件路径：/src/runtime/testdata/testprog/signal.go
/ Copyright 2015 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
/go:build !windows && !plan9
/ +build !windows,!plan9
package main
import (
"syscall"
"time"
)
func init() {
register("SignalExitStatus", SignalExitStatus)
}
func SignalExitStatus() {
syscall.Kill(syscall.Getpid(), syscall.SIGTERM)
/ Should die immediately, but we've seen flakiness on various
/ systems (see issue 14063). It's possible that the signal is
/ being delivered to a different thread and we are returning
/ and exiting before that thread runs again. Give the program
/ a little while to die to make sure we pick up the signal
/ before we return and exit the program. The time here
/ shouldn't matter--we'll never really sleep this long.
time.Sleep(time.Second)
}