Span.End MUST be non-blocking (open-telemetry#107)

carlosalberto · Jun 11, 2019 · 12575af · 12575af
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commit 12575af
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/specification/tracing-api.md b/specification/tracing-api.md
@@ -136,7 +136,9 @@ with the `Span`).
 Call to `End` of a `Span` MUST not have any effects on child spans. Those may
 still be running and can be ended later.
 
-There should be no parameters.
+There MUST be no parameters.
+
+This API MUST be non-blocking.
 
 ### Span lifetime