Merge MWL#192: Non-blocking client library, into MariaDB 5.5.

1 files changed, 21 insertions, 0 deletions

diff --git a/dbug/dbug.c b/dbug/dbug.c
index 8b3927d2427..eb7a0e9c4b6 100644
--- a/dbug/dbug.c
+++ b/dbug/dbug.c
@@ -349,6 +349,27 @@ static CODE_STATE *code_state(void)
   return cs;
 }
 
+void
+dbug_swap_code_state(void **code_state_store)
+{
+  CODE_STATE *cs, **cs_ptr;
+
+  if (!(cs_ptr= (CODE_STATE**) my_thread_var_dbug()))
+    return;
+  cs= *cs_ptr;
+  *cs_ptr= *code_state_store;
+  *code_state_store= cs;
+}
+
+void dbug_free_code_state(void **code_state_store)
+{
+  if (*code_state_store)
+  {
+    free(*code_state_store);
+    *code_state_store= NULL;
+  }
+}
+
 /*
  *      Translate some calls among different systems.
  */