From 4da962b08b5146886840a888e757489ebac0fa63 Mon Sep 17 00:00:00 2001
From: babenko <babenko@yandex-team.com>
Date: Mon, 18 Aug 2025 09:12:12 +0300
Subject: YT-18571: Refactor traced (fomerly tracked)  spin locks and add
 unittests commit_hash:2476930524e6179b49fbf312f907bd03413cd8b8

---
 library/cpp/yt/threading/fork_aware_spin_lock.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'library/cpp/yt/threading/fork_aware_spin_lock.cpp')

diff --git a/library/cpp/yt/threading/fork_aware_spin_lock.cpp b/library/cpp/yt/threading/fork_aware_spin_lock.cpp
index f43411b6d8c..a87cb179f02 100644
--- a/library/cpp/yt/threading/fork_aware_spin_lock.cpp
+++ b/library/cpp/yt/threading/fork_aware_spin_lock.cpp
@@ -10,6 +10,8 @@ void TForkAwareSpinLock::Acquire() noexcept
 {
     GetForkLock()->AcquireReaderForkFriendly();
     SpinLock_.Acquire();
+    // To compensate for one of the above acquisitions.
+    NDetail::RecordSpinLockReleased();
 }
 
 bool TForkAwareSpinLock::TryAcquire() noexcept
@@ -21,11 +23,15 @@ bool TForkAwareSpinLock::TryAcquire() noexcept
         GetForkLock()->ReleaseReader();
         return false;
     }
+    // See Acquire.
+    NDetail::RecordSpinLockReleased();
     return true;
 }
 
 void TForkAwareSpinLock::Release() noexcept
 {
+    // See Acquire.
+    NDetail::RecordSpinLockAcquired();
     SpinLock_.Release();
     GetForkLock()->ReleaseReader();
 }
-- 
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