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doc/examples: document call_rcu()
[userspace-rcu.git]
/
doc
/
examples
/
urcu-flavors
/
signal.c
diff --git
a/doc/examples/urcu-flavors/signal.c
b/doc/examples/urcu-flavors/signal.c
index 53bb57f9b6780bbeea2d8e584d5905ba86137636..b7c279c9157732cbb4084ec1c2b041be2958a368 100644
(file)
--- a/
doc/examples/urcu-flavors/signal.c
+++ b/
doc/examples/urcu-flavors/signal.c
@@
-107,6
+107,12
@@
int main(int argc, char **argv)
*/
cds_list_for_each_entry_safe(node, n, &mylist, node) {
cds_list_del_rcu(&node->node);
*/
cds_list_for_each_entry_safe(node, n, &mylist, node) {
cds_list_del_rcu(&node->node);
+ /*
+ * call_rcu() will ensure that the handler
+ * "rcu_free_node" is executed after a grace period.
+ * call_rcu() can be called from RCU read-side critical
+ * sections.
+ */
call_rcu(&node->rcu_head, rcu_free_node);
}
call_rcu(&node->rcu_head, rcu_free_node);
}
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