From a04d4d01eb8e38b8ec5367114b5581bd64eee17e Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期五, 23 四月 2021 15:44:12 +0800
Subject: [PATCH] mutex unlock check timeout to avoid double unlock.
---
utest/api_test.cpp | 13 +++++++++++--
1 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/utest/api_test.cpp b/utest/api_test.cpp
index 200ae99..79236ba 100644
--- a/utest/api_test.cpp
+++ b/utest/api_test.cpp
@@ -151,7 +151,16 @@
}
st_.nlock_ += n;
}
- void unlock() { mutex_.unlock(); }
+ void unlock()
+ {
+ auto old_time = last_lock_time_.load();
+ if (Now() - old_time > limit_) {
+ } else {
+ if (last_lock_time_.compare_exchange_strong(old_time, Now())) {
+ mutex_.unlock();
+ }
+ }
+ }
};
namespace
@@ -210,7 +219,7 @@
TLMutex mutex;
// CasMutex mutex;
auto Lock = [&]() {
- for (int i = 0; i < 1000 * 100; ++i) {
+ for (int i = 0; i < 1000 * 1000 * 10; ++i) {
mutex.lock();
mutex.unlock();
}
--
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