blob: 37e20df301899b0197fabf6bb2a74eaa2cee352d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
# $FreeBSD: releng/12.0/bin/sh/tests/execution/redir1.0 211408 2010-08-16 22:23:19Z jilles $
trap ': $((brokenpipe+=1))' PIPE
P=${TMPDIR:-/tmp}
cd $P
T=$(mktemp -d sh-test.XXXXXX)
cd $T
brokenpipe=0
mkfifo fifo1 fifo2
read dummy >fifo2 <fifo1 &
{
exec 4>fifo2
} 3<fifo2 # Formerly, sh would keep fd 3 and a duplicate of it open.
echo dummy >fifo1
if [ $brokenpipe -ne 0 ]; then
rc=3
fi
wait
echo dummy >&4 2>/dev/null
if [ $brokenpipe -eq 1 ]; then
: ${rc:=0}
fi
rm fifo1 fifo2
rmdir ${P}/${T}
exit ${rc:-3}
|