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New thr_alarm struct for better integration with OS2

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Run bootstrap in separate thread
Fix bug in FLUSH TABLES table_name
This commit is contained in:
monty@donna.mysql.com
2000-11-28 04:47:47 +02:00
parent ad2e43c7d6
commit 74e7ffe987
38 changed files with 435 additions and 146 deletions
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14
sql/sql_base.cc
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@ -275,7 +275,7 @@ bool close_cached_tables(THD *thd, bool if_wait_for_refresh,
bool found=0;
for (TABLE_LIST *table=tables ; table ; table=table->next)
{
if (remove_table_from_cache(thd, table->db, table->name))
if (remove_table_from_cache(thd, table->db, table->name, 1))
found=1;
}
if (!found)
@ -1972,7 +1972,8 @@ void flush_tables()
** Returns true if the table is in use by another thread
*/
bool remove_table_from_cache(THD *thd, const char *db,const char *table_name)
bool remove_table_from_cache(THD *thd, const char *db, const char *table_name,
bool return_if_owned_by_thd)
{
char key[MAX_DBKEY_LENGTH];
uint key_length;
@ -1985,13 +1986,12 @@ bool remove_table_from_cache(THD *thd, const char *db,const char *table_name)
table;
table = (TABLE*) hash_next(&open_cache,(byte*) key,key_length))
{
THD *in_use;
table->version=0L; /* Free when thread is ready */
if (!table->in_use)
if (!(in_use=table->in_use))
relink_unused(table);
else if (table->in_use != thd)
else if (in_use != thd)
{
THD *in_use=table->in_use;
in_use->some_tables_deleted=1;
if (table->db_stat)
result=1;
@ -2009,6 +2009,8 @@ bool remove_table_from_cache(THD *thd, const char *db,const char *table_name)
pthread_mutex_unlock(&in_use->mysys_var->mutex);
}
}
else
result= result || return_if_owned_by_thd;
}
while (unused_tables && !unused_tables->version)
VOID(hash_delete(&open_cache,(byte*) unused_tables));