Signed-off-by: Lai Jiangshan <[email protected]>
---
urcu-call-rcu-impl.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h
index 87d9157..65c1c7a 100644
--- a/urcu-call-rcu-impl.h
+++ b/urcu-call-rcu-impl.h
@@ -675,6 +675,10 @@ void call_rcu_after_fork_child(void)
/* Release the mutex. */
call_rcu_unlock(&call_rcu_mutex);
+ /* Do nothing when call_rcu() has not been used */
+ if (cds_list_empty(&call_rcu_data_list))
+ return;
+
/*
* Allocate a new default call_rcu_data structure in order
* to get a working call_rcu thread to go with it.
--
1.7.4.4
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