From 4886183d7451e90758e877d189878e666e6ea009 Mon Sep 17 00:00:00 2001
From: kangshantong <kangshantong@gmail.com>
Date: Mon, 26 Jul 2021 17:59:22 +0800
Subject: [PATCH] Fix Bugs for multi process (#182)

---
 src/postoffice.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/postoffice.cc b/src/postoffice.cc
index e9f4386d..f1bc6918 100644
--- a/src/postoffice.cc
+++ b/src/postoffice.cc
@@ -185,7 +185,8 @@ void Postoffice::Manage(const Message& recv) {
   if (ctrl.cmd == Control::BARRIER && !recv.meta.request) {
     barrier_mu_.lock();
     auto size = barrier_done_[recv.meta.app_id].size();
-    for (size_t customer_id = 0; customer_id < size; customer_id++) {
+    for (auto iter=barrier_done_[recv.meta.app_id].begin();iter!=barrier_done_[recv.meta.app_id].end(); iter++) {
+      size_t customer_id = iter -> first;
       barrier_done_[recv.meta.app_id][customer_id] = true;
     }
     barrier_mu_.unlock();