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| author | unknown <monty@donna.mysql.com> | 2001-02-18 00:03:37 +0200 |
|---|---|---|
| committer | unknown <monty@donna.mysql.com> | 2001-02-18 00:03:37 +0200 |
| commit | f8509fecdb9a6453230e1418907a0923f002201d (patch) | |
| tree | e430180603a3dd86bed056e15a90ce368911ca5a /mysys/thr_lock.c | |
| parent | 456102115c2f70982e600e40e34a10afde72c703 (diff) | |
| download | mariadb-git-f8509fecdb9a6453230e1418907a0923f002201d.tar.gz | |
Added locks needed for Innobase
Fixed mutex problem when doing automatic repair of MyISAM tables
Docs/manual.texi:
changelog
include/thr_lock.h:
Added TL_READ_WITH_SHARED_LOCKS for Innobase
mysql-test/r/update.result:
Added 'select' to verify update results
mysql-test/t/update.test:
Better code coverage
mysys/getvar.c:
Allow space in to --set-variable
mysys/thr_lock.c:
Added TL_READ_WITH_SHARED_LOCKS
sql/ha_myisam.cc:
Added comment
sql/lock.cc:
Added missing broadcast
sql/sql_base.cc:
Fixed some mutex problem when doing automatic repair of MyISAM tables
sql/sql_update.cc:
Purecoverage
Diffstat (limited to 'mysys/thr_lock.c')
| -rw-r--r-- | mysys/thr_lock.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mysys/thr_lock.c b/mysys/thr_lock.c index 2e20d3e24c0..2cd920245e2 100644 --- a/mysys/thr_lock.c +++ b/mysys/thr_lock.c @@ -27,6 +27,7 @@ Locks are prioritized according to: The current lock types are: TL_READ # Low priority read +TL_READ_WITH_SHARED_LOCKS TL_READ_HIGH_PRIORITY # High priority read TL_READ_NO_INSERT # Read without concurrent inserts TL_WRITE_ALLOW_WRITE # Write lock that allows other writers @@ -667,7 +668,7 @@ void thr_unlock(THR_LOCK_DATA *data) /* Release write-locks with TL_WRITE or TL_WRITE_ONLY priority first */ if (data && (data->type != TL_WRITE_LOW_PRIORITY || !lock->read_wait.data || - lock->read_wait.data->type == TL_READ)) + lock->read_wait.data->type < TL_READ_HIGH_PRIORITY)) { if (lock->write_lock_count++ > max_write_lock_count) { |