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cmd/utils, internal/debug: show all stacks for 10x Ctrl-C induced panic

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Go 1.6 only prints stacks for the current goroutine by default,
but for this panic we want to see all of them.
This commit is contained in:
Felix Lange 2016-03-12 00:39:45 +01:00
parent cafdd5931e
commit c1343c8872
3 changed files with 53 additions and 1 deletions
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3
cmd/utils/cmd.go
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@ -29,6 +29,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/internal/debug"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/node"
@ -130,7 +131,7 @@ func StartNode(stack *node.Node) {
}
}
glog.V(logger.Error).Infof("Force quitting: this might not end so well.")
panic("boom")
debug.LoudPanic("boom")
}()
}

27
internal/debug/loudpanic.go Normal file
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@ -0,0 +1,27 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// +build go1.6
package debug
import "runtime/debug"
// LoudPanic panics in a way that gets all goroutine stacks printed on stderr.
func LoudPanic(x interface{}) {
debug.SetTraceback("all")
panic(x)
}

24
internal/debug/loudpanic_fallback.go Normal file
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@ -0,0 +1,24 @@
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// +build !go1.6
package debug
// LoudPanic panics in a way that gets all goroutine stacks printed on stderr.
func LoudPanic(x interface{}) {
panic(x)
}