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rc.subr: Move the sleep in wait_for_pids

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Instead of sleeping while constructing the list of PIDs to wait for,
sleep briefly after pwait to give init a chance to reap the processes
that just terminated before we loop around and start probing them.

PR:		289630
Reviewed by:	allanjude
Differential Revision:	https://reviews.freebsd.org/D52619
This commit is contained in:
Dag-Erling Smørgrav 2025-09-23 14:55:56 +02:00
parent 99475087d6
commit 5953e7c984
1 changed files with 4 additions and 1 deletions
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5
libexec/rc/rc.subr
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@ -804,7 +804,6 @@ wait_for_pids()
for _j in $_list; do
if kill -0 $_j 2>/dev/null; then
_nlist="${_nlist}${_nlist:+ }$_j"
[ -n "$_prefix" ] && sleep 1
fi
done
if [ -z "$_nlist" ]; then
@ -814,6 +813,10 @@ wait_for_pids()
echo -n ${_prefix:-"Waiting for PIDS: "}$_list
_prefix=", "
pwait -o $_list 2>/dev/null
# At least one of the processes we were waiting for
# has terminated. Give init a chance to collect it
# before looping around and checking again.
sleep 1
done
if [ -n "$_prefix" ]; then
echo "."