1 files changed, 16 insertions, 0 deletions
diff --git a/src/util/syserror.h b/src/util/syserror.h
new file mode 100644
index 0000000000..a54ba553ee
--- /dev/null
+++ b/src/util/syserror.h
@@ -0,0 +1,16 @@
+// Copyright (c) 2010-2022 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_UTIL_SYSERROR_H
+#define BITCOIN_UTIL_SYSERROR_H
+
+#include <string>
+
+/** Return system error string from errno value. Use this instead of
+ * std::strerror, which is not thread-safe. For network errors use
+ * NetworkErrorString from sock.h instead.
+ */
+std::string SysErrorString(int err);
+
+#endif // BITCOIN_UTIL_SYSERROR_H