Timer: Don't fail silently when callback fails

JuliaLang · Feb 4, 2021 · 70d5ca8 · 70d5ca8
1 parent ae78269
commit 70d5ca8
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/base/asyncevent.jl b/base/asyncevent.jl
@@ -252,7 +252,13 @@ julia> begin
 function Timer(cb::Function, timeout::Real; interval::Real=0.0)
     timer = Timer(timeout, interval=interval)
     t = @task while _trywait(timer)
-        cb(timer)
+        try
+            cb(timer)
+        catch err
+            write(stderr, "Error in Timer:\n")
+            showerror(stderr, err, catch_backtrace())
+            return
+        end
         isopen(timer) || return
     end
     lock(timer.cond)