Merge branch '10.0' into 10.1

referenced_by_foreign_key2(), needed for InnoDB to compile,
was taken from 10.0-galera

1 files changed, 22 insertions, 32 deletions

diff --git a/sql/rpl_handler.cc b/sql/rpl_handler.cc
index 3962600f600..733af6c61c8 100644
--- a/sql/rpl_handler.cc
+++ b/sql/rpl_handler.cc
@@ -39,8 +39,6 @@ typedef struct Trans_binlog_info {
   char log_file[FN_REFLEN];
 } Trans_binlog_info;
 
-static pthread_key(Trans_binlog_info*, RPL_TRANS_BINLOG_INFO);
-
 int get_user_var_int(const char *name,
                      long long int *value, int *null_value)
 {
@@ -144,13 +142,6 @@ int delegates_init()
   }
 #endif
 
-  if (pthread_key_create(&RPL_TRANS_BINLOG_INFO, NULL))
-  {
-    sql_print_error("Error while creating pthread specific data key for replication. "
-                    "Please report a bug.");
-    return 1;
-  }
-
   return 0;
 }
 
@@ -196,27 +187,27 @@ void delegates_destroy()
 int Trans_delegate::after_commit(THD *thd, bool all)
 {
   Trans_param param;
+  Trans_binlog_info *log_info;
   bool is_real_trans= (all || thd->transaction.all.ha_list == 0);
+  int ret= 0;
 
   param.flags = is_real_trans ? TRANS_IS_REAL_TRANS : 0;
 
-  Trans_binlog_info *log_info=
-    my_pthread_getspecific_ptr(Trans_binlog_info*, RPL_TRANS_BINLOG_INFO);
+  log_info= thd->semisync_info;
 
-  param.log_file= log_info ? log_info->log_file : 0;
+  param.log_file= log_info && log_info->log_file[0] ? log_info->log_file : 0;
   param.log_pos= log_info ? log_info->log_pos : 0;
 
-  int ret= 0;
   FOREACH_OBSERVER(ret, after_commit, false, (&param));
 
   /*
     This is the end of a real transaction or autocommit statement, we
-    can free the memory allocated for binlog file and position.
+    can mark the memory unused.
   */
   if (is_real_trans && log_info)
   {
-    my_pthread_setspecific_ptr(RPL_TRANS_BINLOG_INFO, NULL);
-    my_free(log_info);
+    log_info->log_file[0]= 0;
+    log_info->log_pos= 0;
   }
   return ret;
 }
@@ -224,27 +215,27 @@ int Trans_delegate::after_commit(THD *thd, bool all)
 int Trans_delegate::after_rollback(THD *thd, bool all)
 {
   Trans_param param;
+  Trans_binlog_info *log_info;
   bool is_real_trans= (all || thd->transaction.all.ha_list == 0);
+  int ret= 0;
 
   param.flags = is_real_trans ? TRANS_IS_REAL_TRANS : 0;
 
-  Trans_binlog_info *log_info=
-    my_pthread_getspecific_ptr(Trans_binlog_info*, RPL_TRANS_BINLOG_INFO);
-    
-  param.log_file= log_info ? log_info->log_file : 0;
+  log_info= thd->semisync_info;
+
+  param.log_file= log_info && log_info->log_file[0] ? log_info->log_file : 0;
   param.log_pos= log_info ? log_info->log_pos : 0;
 
-  int ret= 0;
   FOREACH_OBSERVER(ret, after_rollback, false, (&param));
 
   /*
     This is the end of a real transaction or autocommit statement, we
-    can free the memory allocated for binlog file and position.
+    can mark the memory unused.
   */
   if (is_real_trans && log_info)
   {
-    my_pthread_setspecific_ptr(RPL_TRANS_BINLOG_INFO, NULL);
-    my_free(log_info);
+    log_info->log_file[0]= 0;
+    log_info->log_pos= 0;
   }
   return ret;
 }
@@ -257,7 +248,10 @@ int Binlog_storage_delegate::after_flush(THD *thd,
                                          bool last_in_group)
 {
   Binlog_storage_param param;
+  Trans_binlog_info *log_info;
   uint32 flags=0;
+  int ret= 0;
+
   if (synced)
     flags |= BINLOG_STORAGE_IS_SYNCED;
   if (first_in_group)
@@ -265,21 +259,17 @@ int Binlog_storage_delegate::after_flush(THD *thd,
   if (last_in_group)
     flags|= BINLOG_GROUP_COMMIT_TRAILER;
 
-  Trans_binlog_info *log_info=
-    my_pthread_getspecific_ptr(Trans_binlog_info*, RPL_TRANS_BINLOG_INFO);
-    
-  if (!log_info)
+  if (!(log_info= thd->semisync_info))
   {
     if(!(log_info=
-         (Trans_binlog_info *)my_malloc(sizeof(Trans_binlog_info), MYF(0))))
+         (Trans_binlog_info*) my_malloc(sizeof(Trans_binlog_info), MYF(0))))
       return 1;
-    my_pthread_setspecific_ptr(RPL_TRANS_BINLOG_INFO, log_info);
+    thd->semisync_info= log_info;
   }
-    
+
   strcpy(log_info->log_file, log_file+dirname_length(log_file));
   log_info->log_pos = log_pos;
   
-  int ret= 0;
   FOREACH_OBSERVER(ret, after_flush, false,
                    (&param, log_info->log_file, log_info->log_pos, flags));
   return ret;