From c5c5270dd0327ef883502d4e7361d29cb40a1fa0 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <brad@danga.com>
Date: Fri, 27 Apr 2018 11:24:04 -0700
Subject: [PATCH] cmd/pk-mount: in debug mode, dump stacks on SIGQUIT

Change-Id: I70737247bf29063a7061c330960b7657213266cb
---
 cmd/pk-mount/pkmount.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmd/pk-mount/pkmount.go b/cmd/pk-mount/pkmount.go
index 7c3cc8c37..96b334927 100644
--- a/cmd/pk-mount/pkmount.go
+++ b/cmd/pk-mount/pkmount.go
@@ -256,6 +256,11 @@ func awaitQuitKey(done chan<- bool) {
 			return
 		}
 		if buf[0] == 'q' {
+			if *debug {
+				stacks := make([]byte, 1<<20)
+				stacks = stacks[:runtime.Stack(stacks, true)]
+				os.Stderr.Write(stacks)
+			}
 			done <- true
 			return
 		}