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new static archive_inited variable, so that archive_db_end() will do something only if archive_db_init() was run before

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(protection against destroying uninited mutex in the case where mysqld fails early at startup (before archive_db_init() was called)
and then calls archive_db_end() to clean up).


sql/examples/ha_archive.cc:
  new static archive_inited variable, so that archive_db_end() will do something only if archive_db_init() was run before.
This commit is contained in:
unknown
2005-02-12 19:17:33 +01:00
parent 2d619d7cad
commit a8b9f30eb3
1 changed files with 9 additions and 2 deletions
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11
sql/examples/ha_archive.cc
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@ -114,6 +114,8 @@
data - The data is stored in a "row +blobs" format.
*/
/* If the archive storage engine has been inited */
static bool archive_inited= 0;
/* Variables for archive share methods */
pthread_mutex_t archive_mutex;
static HASH archive_open_tables;
@ -157,6 +159,7 @@ static byte* archive_get_key(ARCHIVE_SHARE *share,uint *length,
bool archive_db_init()
{
archive_inited= 1;
VOID(pthread_mutex_init(&archive_mutex, MY_MUTEX_INIT_FAST));
return (hash_init(&archive_open_tables, system_charset_info, 32, 0, 0,
(hash_get_key) archive_get_key, 0, 0));
@ -176,8 +179,12 @@ bool archive_db_init()
bool archive_db_end()
{
hash_free(&archive_open_tables);
VOID(pthread_mutex_destroy(&archive_mutex));
if (archive_inited)
{
hash_free(&archive_open_tables);
VOID(pthread_mutex_destroy(&archive_mutex));
}
archive_inited= 0;
return FALSE;
}