mirror of
https://github.com/kata-containers/kata-containers.git
synced 2025-10-21 20:08:54 +00:00
e84a9a70b0
- Add kata-runtime - Add unit test - Add Makefile to build cli Fixes: #33 Signed-off-by: Julio Montes <julio.montes@intel.com> Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com> Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>
81 lines
1.3 KiB
Go
81 lines
1.3 KiB
Go
// Copyright 2018 Intel Corporation.
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
|
|
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"os/signal"
|
|
"runtime/pprof"
|
|
"strings"
|
|
"syscall"
|
|
)
|
|
|
|
// List of fatal signals
|
|
var sigFatal = map[syscall.Signal]bool{
|
|
syscall.SIGABRT: true,
|
|
syscall.SIGBUS: true,
|
|
syscall.SIGILL: true,
|
|
syscall.SIGQUIT: true,
|
|
syscall.SIGSEGV: true,
|
|
syscall.SIGSTKFLT: true,
|
|
syscall.SIGSYS: true,
|
|
syscall.SIGTRAP: true,
|
|
}
|
|
|
|
func handlePanic() {
|
|
r := recover()
|
|
|
|
if r != nil {
|
|
msg := fmt.Sprintf("%s", r)
|
|
kataLog.WithField("panic", msg).Error("fatal error")
|
|
|
|
die()
|
|
}
|
|
}
|
|
|
|
func backtrace() {
|
|
profiles := pprof.Profiles()
|
|
|
|
buf := &bytes.Buffer{}
|
|
|
|
for _, p := range profiles {
|
|
// The magic number requests a full stacktrace. See
|
|
// https://golang.org/pkg/runtime/pprof/#Profile.WriteTo.
|
|
pprof.Lookup(p.Name()).WriteTo(buf, 2)
|
|
}
|
|
|
|
for _, line := range strings.Split(buf.String(), "\n") {
|
|
kataLog.Error(line)
|
|
}
|
|
}
|
|
|
|
func fatalSignal(sig syscall.Signal) bool {
|
|
return sigFatal[sig]
|
|
}
|
|
|
|
func fatalSignals() []syscall.Signal {
|
|
var signals []syscall.Signal
|
|
|
|
for sig := range sigFatal {
|
|
signals = append(signals, sig)
|
|
|
|
}
|
|
|
|
return signals
|
|
}
|
|
|
|
func die() {
|
|
backtrace()
|
|
|
|
if crashOnError {
|
|
signal.Reset(syscall.SIGABRT)
|
|
syscall.Kill(0, syscall.SIGABRT)
|
|
}
|
|
|
|
exit(1)
|
|
}
|