1 files changed, 11 insertions, 0 deletions
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 409df846e9..2a3759212e 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -2789,6 +2789,17 @@ erl_drv_init_ack(ErlDrvPort ix, ErlDrvData res) {
     }
 }
 
+void
+erl_drv_set_os_pid(ErlDrvPort ix, ErlDrvSInt pid) {
+    Port *port = erts_drvport2port(ix);
+
+    if (port == ERTS_INVALID_ERL_DRV_PORT)
+        return;
+
+    port->os_pid = (SWord)pid;
+
+}
+
 void erts_init_io(int port_tab_size,
 		  int port_tab_size_ignore_files,
 		  int legacy_port_tab)