wallet: Close wallet env lock file

Close .walletlock file when a BerkeleyEnvironment is deleted.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/util/system.cpp b/src/util/system.cpp
index 06317a3a90..d8b70ee52c 100644
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -116,6 +116,12 @@ 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);