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-rw-r--r--sys/kern/kern_fork.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c
index c7447fb..0f7dd2e 100644
--- a/sys/kern/kern_fork.c
+++ b/sys/kern/kern_fork.c
@@ -736,6 +736,7 @@ do_fork(struct thread *td, struct fork_req *fr, struct proc *p2, struct thread *
if (fr->fr_flags & RFPPWAIT) {
td->td_pflags |= TDP_RFPPWAIT;
td->td_rfppwait_p = p2;
+ td->td_dbgflags |= TDB_VFORK;
}
PROC_UNLOCK(p2);
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