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Kernel and Embedded Linux
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# $FreeBSD$ result=$(${SH} -c '(/bin/sleep 1)& sleep 0.1; ps -p $! -o comm=; kill $!') test "$result" = sleep || exit 1 result=$(${SH} -c '{ trap "echo trapped" EXIT; (/usr/bin/true); } & wait') test "$result" = trapped || exit 1 exit 0