1# $FreeBSD: head/tools/regression/bin/sh/builtins/trap4.0 217035 2011-01-05 23:17:29Z jilles $
2
3T=$(mktemp -d ${TMPDIR:-/tmp}/sh-test.XXXXXX)
4trap 'rm -rf $T' 0
5cd $T || exit 3
6mkfifo fifo1
7
8v=$(
9	exec 3>&1
10	: <fifo1 &
11	{
12		wait $!
13		trap 'trap "" PIPE; echo trapped >&3 2>/dev/null' PIPE
14		echo x 2>/dev/null
15	} >fifo1
16)
17test "$v" = trapped
18