linux-kernel - [PATCH] scripts/bloat-o-meter: fix SIGPIPE

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Message-ID: <20161028204618.GA29923@avx2>
Date:   Fri, 28 Oct 2016 23:46:18 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, mpm@...enic.com
Subject: [PATCH] scripts/bloat-o-meter: fix SIGPIPE

Fix piping output to a program which quickly exits (read: head -n1)


	$ ./scripts/bloat-o-meter ../vmlinux-000 ../obj/vmlinux | head -n1
	add/remove: 0/0 grow/shrink: 9/60 up/down: 124/-305 (-181)
	close failed in file object destructor:
	sys.excepthook is missing
	lost sys.stderr

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 scripts/bloat-o-meter | 3 +++
 1 file changed, 3 insertions(+)

--- a/scripts/bloat-o-meter
+++ b/scripts/bloat-o-meter
@@ -8,6 +8,9 @@
 # of the GNU General Public License, incorporated herein by reference.
 
 import sys, os, re
+from signal import signal, SIGPIPE, SIG_DFL
+
+signal(SIGPIPE, SIG_DFL)
 
 if len(sys.argv) != 3:
     sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0])