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test "$UNAME" = "Linux" || skip
cd "$TEST"
mkfifo hang pid wait running
(
# Create a zombie process
cat hang >/dev/null &
# Write the PID to pid
echo $! >pid
# Don't wait on the zombie process
exec cat wait hang >running
) &
# Kill the parent cat on exit
defer kill -9 %1
# Read the child PID
read -r pid <pid
# Make sure the parent cat is running before we kill the child, because bash
# will wait() on its children
echo >wait &
read -r _ <running
# Turn the child into a zombie
kill -9 "$pid"
# Wait until it's really a zombie
state=R
while [ "$state" != "Z" ]; do
read -r _ _ state _ <"/proc/$pid/stat"
done
# On Linux, open(/proc/$pid/net) will succeed but readdir() will fail
test -r "/proc/$pid/net" || skip
! invoke_bfs "/proc/$pid/net" >/dev/null
|
