1 files changed, 10 insertions, 0 deletions
diff --git a/nptl/descr.h b/nptl/descr.h
index 3611698048..0f8d347b79 100644
--- a/nptl/descr.h
+++ b/nptl/descr.h
@@ -92,6 +92,16 @@ struct pthread_unwind_buf
 };
 
 
+/* Opcodes and data types for communication with the signal handler to
+   change user/group IDs.  */
+struct xid_command
+{
+  int syscall_no;
+  id_t id[3];
+  volatile int cntr;
+};
+
+
 /* Thread descriptor data structure.  */
 struct pthread
 {