From c1343c887260f3e12798822f1283d5b968739ff7 Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Sat, 12 Mar 2016 00:39:45 +0100
Subject: [PATCH] cmd/utils, internal/debug: show all stacks for 10x Ctrl-C
induced panic
Go 1.6 only prints stacks for the current goroutine by default,
but for this panic we want to see all of them.
---
cmd/utils/cmd.go | 3 ++-
internal/debug/loudpanic.go | 27 +++++++++++++++++++++++++++
internal/debug/loudpanic_fallback.go | 24 ++++++++++++++++++++++++
3 files changed, 53 insertions(+), 1 deletion(-)
create mode 100644 internal/debug/loudpanic.go
create mode 100644 internal/debug/loudpanic_fallback.go
diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go
index a0d60a583..7d299026b 100644
--- a/cmd/utils/cmd.go
+++ b/cmd/utils/cmd.go
@@ -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")
}()
}
diff --git a/internal/debug/loudpanic.go b/internal/debug/loudpanic.go
new file mode 100644
index 000000000..572ebcefa
--- /dev/null
+++ b/internal/debug/loudpanic.go
@@ -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)
+}
diff --git a/internal/debug/loudpanic_fallback.go b/internal/debug/loudpanic_fallback.go
new file mode 100644
index 000000000..4ce4985da
--- /dev/null
+++ b/internal/debug/loudpanic_fallback.go
@@ -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)
+}
--
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