Unregister the the rocm event handler

When the target closes, unregister our event handler from the
event loop.

Change-Id: Ic3c072c4de6f90c2c55a1d681a9a2d7e4c507609

diff --git a/gdb/rocm-tdep.c b/gdb/rocm-tdep.c
index de92f5aaf2b3dd39138b99fe611a189aba79e975..4cd14a6b15dd1f7e7ea9c5dd54f263cfc3ea0922 100644 (file)
--- a/gdb/rocm-tdep.c
+++ b/gdb/rocm-tdep.c
@@ -129,6 +129,7 @@ struct rocm_target_ops final : public target_ops
     return arch_stratum;
   }
 
+  void close () override;
   void mourn_inferior () override;
 
   void async (int enable) override;
@@ -659,11 +660,11 @@ rocm_target_ops::async (int enable)
     }
   else
     {
-      delete_file_handler (rocm_event_pipe[0]);
-
       if (rocm_event_pipe[0] == -1)
         return;
 
+      delete_file_handler (rocm_event_pipe[0]);
+
       ::close (rocm_event_pipe[0]);
       ::close (rocm_event_pipe[1]);
       rocm_event_pipe[0] = -1;
@@ -899,6 +900,14 @@ rocm_target_ops::stopped_by_sw_breakpoint ()
   return software_breakpoint_inserted_here_p (regcache->aspace (), bkpt_pc);
 }
 
+void
+rocm_target_ops::close ()
+{
+  /* Unregister from the event loop.  */
+  async (0);
+  beneath ()->close ();
+}
+
 void
 rocm_target_ops::mourn_inferior ()
 {