[#3991] catch all exceptions in destructor

Author: Razvan Becheriu

src/lib/asiolink/unix_domain_socket.cc

@@ -32,9 +32,12 @@ class UnixDomainSocketImpl : public boost::enable_shared_from_this<UnixDomainSoc
     /// @brief Destructor.
     ///
     /// Closes the socket.
-    // cppcheck-suppress throwInNoexceptFunction
     ~UnixDomainSocketImpl() {
-        close();
+        try {
+            close();
+        } catch (...) {
+            // catch all exceptions.
+        }
     }
 
     /// @brief Asynchronously connects to an endpoint.

src/lib/util/unlock_guard.h

@@ -32,9 +32,12 @@ class UnlockGuard : public boost::noncopyable {
     /// @brief Destructor.
     ///
     /// Lock mutex object on destructor.
-    // cppcheck-suppress throwInNoexceptFunction
     ~UnlockGuard() {
-        lock_.lock();
+        try {
+            lock_.lock();
+        } catch (...) {
+            // catch all exceptions.
+        }
     }
 
 private: