From da31c5857736fea1ae199a95c418c1a517a48e72 Mon Sep 17 00:00:00 2001
From: Augustin Cavalier <waddlesplash@gmail.com>
Date: Mon, 17 Dec 2018 19:51:45 -0500
Subject: [PATCH] shared/locks: Add RecursiveLocker.

Copied from the kernel version.
---
 headers/private/shared/locks.h | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/headers/private/shared/locks.h b/headers/private/shared/locks.h
index efea5907e5..952bb929d9 100644
--- a/headers/private/shared/locks.h
+++ b/headers/private/shared/locks.h
@@ -117,6 +117,24 @@ public:
 	}
 };
 
+typedef AutoLocker<mutex, MutexLocking> MutexLocker;
+
+
+class RecursiveLockLocking {
+public:
+	inline bool Lock(recursive_lock *lockable)
+	{
+		return recursive_lock_lock(lockable) == B_OK;
+	}
+
+	inline void Unlock(recursive_lock *lockable)
+	{
+		recursive_lock_unlock(lockable);
+	}
+};
+
+typedef AutoLocker<recursive_lock, RecursiveLockLocking> RecursiveLocker;
+
 
 class RWLockReadLocking {
 public:
@@ -146,7 +164,6 @@ public:
 };
 
 
-typedef AutoLocker<mutex, MutexLocking> MutexLocker;
 typedef AutoLocker<rw_lock, RWLockReadLocking> ReadLocker;
 typedef AutoLocker<rw_lock, RWLockWriteLocking> WriteLocker;