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BitKeeper/etc/logging_ok:
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BitKeeper/deleted/.del-mytest-old.c~5237697b30cf59e4:
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Build-tools/Bootstrap:
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Build-tools/mysql-copyright:
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configure.in:
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BitKeeper/deleted/.del-mysql_fix_privilege_tables.sql:
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client/mysql.cc:
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include/my_global.h:
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innobase/dict/dict0crea.c:
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innobase/include/mtr0log.h:
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innobase/lock/lock0lock.c:
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mysql-test/mysql-test-run.sh:
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scripts/make_binary_distribution.sh:
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scripts/make_win_src_distribution.sh:
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sql/Makefile.am:
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sql/field.h:
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sql/ha_heap.cc:
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This commit is contained in:
unknown
2004-08-18 19:57:55 +02:00
parent 992ff0a272 0c6b96658e
commit 945625ebaa
107 changed files with 995 additions and 258 deletions
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13
sql/sql_class.h
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@@ -885,6 +885,12 @@ public:
void close_active_vio();
#endif
void awake(bool prepare_to_die);
/*
For enter_cond() / exit_cond() to work the mutex must be got before
enter_cond() (in 4.1 an assertion will soon ensure this); this mutex is
then released by exit_cond(). Use must be:
lock mutex; enter_cond(); your code; exit_cond().
*/
inline const char* enter_cond(pthread_cond_t *cond, pthread_mutex_t* mutex,
const char* msg)
{
@@ -896,6 +902,13 @@ public:
}
inline void exit_cond(const char* old_msg)
{
/*
Putting the mutex unlock in exit_cond() ensures that
mysys_var->current_mutex is always unlocked _before_ mysys_var->mutex is
locked (if that would not be the case, you'll get a deadlock if someone
does a THD::awake() on you).
*/
pthread_mutex_unlock(mysys_var->current_mutex);
pthread_mutex_lock(&mysys_var->mutex);
mysys_var->current_mutex = 0;
mysys_var->current_cond = 0;