1*3e3895bfSKrzysztof Piecuch# $FreeBSD: head/bin/sh/tests/expansion/cmdsubst20.0 314637 2017-03-03 22:46:20Z jilles $ 2*3e3895bfSKrzysztof Piecuch 3*3e3895bfSKrzysztof Piecuchset -T 4*3e3895bfSKrzysztof Piecuchtrapped='' 5*3e3895bfSKrzysztof Piecuchtrap "trapped=x$trapped" USR1 6*3e3895bfSKrzysztof Piecuch[ "x$(kill -USR1 $$)y" = xy ] && [ "$trapped" = x ] 7