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| author | unknown <nick@mysql.com> | 2002-10-17 14:57:01 -0600 |
|---|---|---|
| committer | unknown <nick@mysql.com> | 2002-10-17 14:57:01 -0600 |
| commit | a8bae6fe56482dbfc350b06a8cf3899fe5b38c01 (patch) | |
| tree | 5ebc018564e0bd60dcd13b52589e89409cb617f5 /sql/sql_class.cc | |
| parent | 95e9d1433118ae9544d0e3275529959a20c1feca (diff) | |
| download | mariadb-git-a8bae6fe56482dbfc350b06a8cf3899fe5b38c01.tar.gz | |
Moved rand initialization from mysqld.cc to sql_class.cc:THD::THD()
Diffstat (limited to 'sql/sql_class.cc')
| -rw-r--r-- | sql/sql_class.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sql/sql_class.cc b/sql/sql_class.cc index 896bdec2913..fc64dfa13f9 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -37,6 +37,8 @@ #include <mysys_err.h> #include <assert.h> +extern struct rand_struct sql_rand; + /***************************************************************************** ** Instansiate templates *****************************************************************************/ @@ -158,6 +160,18 @@ THD::THD():user_time(0),fatal_error(0),last_insert_id_used(0), transaction.trans_log.end_of_file= max_binlog_cache_size; } #endif + + /* + We need good random number initialization for new thread + Just coping global one will not work + */ + { + pthread_mutex_lock(&LOCK_thread_count); + ulong tmp=(ulong) (rnd(&sql_rand) * 3000000); + randominit(&rand, tmp + (ulong) start_time, + tmp + (ulong) thread_id); + pthread_mutex_unlock(&LOCK_thread_count); + } } /* Do operations that may take a long time */ |