From c712ce1480014a23c9c54a89a0fba71456d3b31b Mon Sep 17 00:00:00 2001
From: Symious <yiyang0203@gmail.com>
Date: Thu, 20 Mar 2025 23:44:41 +0800
Subject: [PATCH] move back AMAP

---
 src/common/utils/AtomicSharedPtrTable.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/common/utils/AtomicSharedPtrTable.h b/src/common/utils/AtomicSharedPtrTable.h
index 43be477..66e4195 100644
--- a/src/common/utils/AtomicSharedPtrTable.h
+++ b/src/common/utils/AtomicSharedPtrTable.h
@@ -32,10 +32,11 @@ struct AvailSlots {
 
     std::lock_guard lock(mutex);
     if (idx == nextAvail - 1) {
-      while (free.find(--nextAvail) != free.end()) {
-        // move back next avail as much as possible
-        ;
-      }
+        nextAvail--;
+        while (free.find(nextAvail - 1) != free.end()) {
+            // move back next avail as much as possible
+            free.erase(--nextAvail);
+        }
     } else {
       free.insert(idx);
     }