From 896ed450c6607a1789b966a56dfc20f777755dab Mon Sep 17 00:00:00 2001
From: SisMaker <156736github>
Date: Wed, 16 Feb 2022 23:59:32 +0800
Subject: [PATCH] =?UTF-8?q?pf=EF=BC=9Agen=5F*=E4=B8=8D=E8=83=BDcall?=
 =?UTF-8?q?=E8=87=AA=E5=B7=B1?=
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---
 src/gen_call.erl | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/gen_call.erl b/src/gen_call.erl
index 04f48ac..3de9019 100644
--- a/src/gen_call.erl
+++ b/src/gen_call.erl
@@ -41,7 +41,12 @@ do_call(Process, Label, Request, Timeout) ->
          %% Local without timeout; no need to use alias since we unconditionally
          %% will wait for either a reply or a down message which corresponds to
          %% the process being terminated (as opposed to 'noconnection')...
-         Process ! {Label, {self(), Mref}, Request},
+         case self() of
+            Process ->
+               exit(calling_self);
+            _ ->
+               Process ! {Label, {self(), Mref}, Request},
+         end,
          receive
             {Mref, Reply} ->
                erlang:demonitor(Mref, [flush]),