wallet: Close wallet env lock file

Close .walletlock file when a BerkeleyEnvironment is deleted.

Github-Pull: #15297
Rebased-From: 2f8b8f4

1 files changed, 6 insertions, 0 deletions

diff --git a/src/util.cpp b/src/util.cpp
index a391c5e857..b41e61ddf5 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -174,6 +174,12 @@ bool LockDirectory(const fs::path& directory, const std::string lockfile_name, b
     return true;
 }
 
+void UnlockDirectory(const fs::path& directory, const std::string& lockfile_name)
+{
+    std::lock_guard<std::mutex> lock(cs_dir_locks);
+    dir_locks.erase((directory / lockfile_name).string());
+}
+
 void ReleaseDirectoryLocks()
 {
     std::lock_guard<std::mutex> ulock(cs_dir_locks);