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-rw-r--r--source4/lib/events/tevent_s4.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/source4/lib/events/tevent_s4.c b/source4/lib/events/tevent_s4.c
index b3de7e667a..e50ff57e90 100644
--- a/source4/lib/events/tevent_s4.c
+++ b/source4/lib/events/tevent_s4.c
@@ -70,3 +70,20 @@ struct tevent_context *s4_event_context_init(TALLOC_CTX *mem_ctx)
return ev;
}
+/*
+ find an event context that is a parent of the given memory context,
+ or create a new event context as a child of the given context if
+ none is found
+
+ This should be used in preference to event_context_init() in places
+ where you would prefer to use the existing event context if possible
+ (which is most situations)
+*/
+struct tevent_context *event_context_find(TALLOC_CTX *mem_ctx)
+{
+ struct tevent_context *ev = talloc_find_parent_bytype(mem_ctx, struct tevent_context);
+ if (ev == NULL) {
+ ev = event_context_init(mem_ctx);
+ }
+ return ev;
+}