From feea656d767066c031af6e4cf6854cbdad2a0c24 Mon Sep 17 00:00:00 2001
From: xy0 <xy0@oceanbase.com>
Date: Fri, 1 Apr 2022 16:53:06 +0800
Subject: [PATCH] iter_task:fix potential fd leak

---
 deps/oblib/src/lib/signal/ob_signal_worker.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/deps/oblib/src/lib/signal/ob_signal_worker.cpp b/deps/oblib/src/lib/signal/ob_signal_worker.cpp
index 3990905138..1f4eafbf51 100644
--- a/deps/oblib/src/lib/signal/ob_signal_worker.cpp
+++ b/deps/oblib/src/lib/signal/ob_signal_worker.cpp
@@ -103,6 +103,9 @@ void iter_task(task_cb cb, void *data1, void *data2, int64_t exclude_tid)
     char d_name[];
   };
   int fd = ::open("/proc/self/task/", O_DIRECTORY |  O_RDONLY);
+  DEFER(
+    CLOSE(fd);
+  );
   if (-1 == fd) {
   } else {
     int tgid = getpid();
-- 
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