wx: Fix raise during emulator stoppage

When emulator is stopped all drivers are stopped but not unloaded
and since the clean wx thread stoppage code was in unload callback it
was not called and could cause crashes.

1 files changed, 6 insertions, 5 deletions

diff --git a/lib/wx/c_src/wxe_driver.c b/lib/wx/c_src/wxe_driver.c
index ea52737fa2..ec1ba7f566 100644
--- a/lib/wx/c_src/wxe_driver.c
+++ b/lib/wx/c_src/wxe_driver.c
@@ -146,7 +146,12 @@ wxe_driver_stop(ErlDrvData handle)
    if(sd->port_handle != WXE_DRV_PORT_HANDLE) {
       // fprintf(stderr, "%s:%d: STOP \r\n", __FILE__,__LINE__);
       meta_command(DELETE_PORT,sd);
-      free(handle);
+   } else {
+       // fprintf(stderr, "%s:%d: STOP \r\n", __FILE__,__LINE__);
+       stop_native_gui(wxe_master);
+       unload_native_gui();
+       free(wxe_master);
+       wxe_master = NULL;
    }
 }
 
@@ -154,10 +159,6 @@ static void
 wxe_driver_unload(void) 
 {
    // fprintf(stderr, "%s:%d: UNLOAD \r\n", __FILE__,__LINE__);
-   stop_native_gui(wxe_master);
-   unload_native_gui();
-   free(wxe_master);
-   wxe_master = NULL;
 }
 
 static ErlDrvSSizeT