go segv 源码
golang segv 代码
文件路径：/src/runtime/testdata/testprogcgo/segv.go
// Copyright 2020 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 !plan9 && !windows
// +build !plan9,!windows
package main
// static void nop() {}
import "C"
import (
"syscall"
"time"
)
func init() {
register("Segv", Segv)
register("SegvInCgo", SegvInCgo)
}
var Sum int
func Segv() {
c := make(chan bool)
go func() {
close(c)
for i := 0; ; i++ {
Sum += i
}
}()
<-c
syscall.Kill(syscall.Getpid(), syscall.SIGSEGV)
// Give the OS time to deliver the signal.
time.Sleep(time.Second)
}
func SegvInCgo() {
c := make(chan bool)
go func() {
close(c)
for {
C.nop()
}
}()
<-c
syscall.Kill(syscall.Getpid(), syscall.SIGSEGV)
// Give the OS time to deliver the signal.
time.Sleep(time.Second)
}
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