bk commit into 4.1 tree (lars:1.2416)

[Lars Thalmann]

Below is the list of changes that have just been committed into a local
4.1 repository of lthalmann. When lthalmann does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet
  1.2416 05/09/02 01:37:16 lars@stripped +1 -0
  Merge mysql.com:/users/lthalmann/bkroot/mysql-4.1
  into  mysql.com:/users/lthalmann/bk/mysql-4.1-bug12542

  sql/sql_parse.cc
    1.464 05/09/02 01:37:08 lars@stripped +0 -0
    Auto merged

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	lars
# Host:	dl145j.mysql.com
# Root:	/users/lthalmann/bk/mysql-4.1-bug12542/RESYNC

--- 1.463/sql/sql_parse.cc	2005-09-01 17:56:02 +02:00
+++ 1.464/sql/sql_parse.cc	2005-09-02 01:37:08 +02:00
@@ -5006,10 +5006,27 @@
 #ifndef NO_EMBEDDED_ACCESS_CHECKS
   if (options & REFRESH_GRANT)
   {
-    acl_reload(thd);
-    grant_reload(thd);
-    if (mqh_used)
-      reset_mqh(thd,(LEX_USER *) NULL,TRUE);
+    THD *tmp_thd= 0;
+    /*
+      If reload_acl_and_cache() is called from SIGHUP handler we have to
+      allocate temporary THD for execution of acl_reload()/grant_reload().
+    */
+    if (!thd && (thd= (tmp_thd= new THD)))
+      thd->store_globals();
+    if (thd)
+    {
+      (void)acl_reload(thd);
+      (void)grant_reload(thd);
+      if (mqh_used)
+        reset_mqh(thd, (LEX_USER *) NULL, TRUE);
+    }
+    if (tmp_thd)
+    {
+      delete tmp_thd;
+      /* Remember that we don't have a THD */
+      my_pthread_setspecific_ptr(THR_THD,  0);
+      thd= 0;
+    }
   }
 #endif
   if (options & REFRESH_LOG)