check rc in make_fdpair

since it can fail, e.g. Windows + AF_UNIX
zeromq · Sep 8, 2022 · b2921d7 · b2921d7
1 parent 4e193f3
commit b2921d7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/norm_engine.cpp b/src/norm_engine.cpp
@@ -239,6 +239,8 @@ void zmq::norm_engine_t::plug (io_thread_t *io_thread_,
 #ifdef ZMQ_USE_NORM_SOCKET_WRAPPER
     norm_wrapper_thread_args_t *threadArgs = new norm_wrapper_thread_args_t;
     int rc = make_fdpair (&wrapper_read_fd, &threadArgs->wrapper_write_fd);
+    errno_assert (rc != -1);
+
     threadArgs->norm_descriptor = NormGetDescriptor (norm_instance);
     threadArgs->norm_instance_handle = norm_instance;
     norm_descriptor_handle = add_fd (wrapper_read_fd);