[patch 04/15] scripts/bloat-o-meter: fix SIGPIPE

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From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: 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

Link: http://lkml.kernel.org/r/20161028204618.GA29923@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Matt Mackall <mpm@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

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

diff -puN scripts/bloat-o-meter~scripts-bloat-o-meter-fix-sigpipe scripts/bloat-o-meter
--- a/scripts/bloat-o-meter~scripts-bloat-o-meter-fix-sigpipe
+++ a/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])
_
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