diff options
Diffstat (limited to 'storage/innobase/sync/sync0rw.c')
| -rw-r--r-- | storage/innobase/sync/sync0rw.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/storage/innobase/sync/sync0rw.c b/storage/innobase/sync/sync0rw.c index ef4c07e8c26..05ea8ff0fe9 100644 --- a/storage/innobase/sync/sync0rw.c +++ b/storage/innobase/sync/sync0rw.c @@ -476,6 +476,9 @@ rw_lock_x_lock_func( ulint i; /* spin round count */ ut_ad(rw_lock_validate(lock)); +#ifdef UNIV_SYNC_DEBUG + ut_ad(!rw_lock_own(lock, RW_LOCK_SHARED)); +#endif /* UNIV_SYNC_DEBUG */ lock_loop: /* Acquire the mutex protecting the rw-lock fields */ @@ -663,7 +666,9 @@ rw_lock_add_debug_info( rw_lock_debug_mutex_exit(); if ((pass == 0) && (lock_type != RW_LOCK_WAIT_EX)) { - sync_thread_add_level(lock, lock->level); + sync_thread_add_level(lock, lock->level, + lock_type == RW_LOCK_EX + && lock->writer_count > 1); } } @@ -730,7 +735,7 @@ rw_lock_own( ut_ad(lock); ut_ad(rw_lock_validate(lock)); - mutex_enter(&(lock->mutex)); + rw_lock_debug_mutex_enter(); info = UT_LIST_GET_FIRST(lock->debug_list); @@ -740,7 +745,7 @@ rw_lock_own( && (info->pass == 0) && (info->lock_type == lock_type)) { - mutex_exit(&(lock->mutex)); + rw_lock_debug_mutex_exit(); /* Found! */ return(TRUE); @@ -748,7 +753,7 @@ rw_lock_own( info = UT_LIST_GET_NEXT(list, info); } - mutex_exit(&(lock->mutex)); + rw_lock_debug_mutex_exit(); return(FALSE); } @@ -828,11 +833,13 @@ rw_lock_list_print_info( putc('\n', file); } + rw_lock_debug_mutex_enter(); info = UT_LIST_GET_FIRST(lock->debug_list); while (info != NULL) { rw_lock_debug_print(file, info); info = UT_LIST_GET_NEXT(list, info); } + rw_lock_debug_mutex_exit(); } mutex_exit(&(lock->mutex)); @@ -868,11 +875,13 @@ rw_lock_print( putc('\n', stderr); } + rw_lock_debug_mutex_enter(); info = UT_LIST_GET_FIRST(lock->debug_list); while (info != NULL) { rw_lock_debug_print(stderr, info); info = UT_LIST_GET_NEXT(list, info); } + rw_lock_debug_mutex_exit(); } } |