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| author | Sergei Golubchik <sergii@pisem.net> | 2011-10-19 21:53:14 +0200 |
|---|---|---|
| committer | Sergei Golubchik <sergii@pisem.net> | 2011-10-19 21:53:14 +0200 |
| commit | 86a2d707794b075701f3ac5e565fc5c7e7fccfe2 (patch) | |
| tree | 3538a24ed306fc91ed1b1d0b5af8e1ba8b8dfc90 /include/my_pthread.h | |
| parent | 957b559039ac6ab6d2af08dd271f789f6207a0b5 (diff) | |
| download | mariadb-git-86a2d707794b075701f3ac5e565fc5c7e7fccfe2.tar.gz | |
safe_mutex deadlock detector post-merge fixes
Diffstat (limited to 'include/my_pthread.h')
| -rw-r--r-- | include/my_pthread.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/my_pthread.h b/include/my_pthread.h index 40b939f8fc7..9f851db4209 100644 --- a/include/my_pthread.h +++ b/include/my_pthread.h @@ -512,11 +512,13 @@ void safe_mutex_free_deadlock_data(safe_mutex_t *mp); #define safe_mutex_assert_not_owner(mp) \ DBUG_ASSERT(! (mp)->count || \ ! pthread_equal(pthread_self(), (mp)->thread)) +#define safe_mutex_setflags(mp, F) do { (mp)->create_flags|= (F); } while (0) #else #define my_pthread_mutex_init(A,B,C,D) pthread_mutex_init((A),(B)) #define safe_mutex_assert_owner(mp) do {} while(0) #define safe_mutex_assert_not_owner(mp) do {} while(0) #define safe_mutex_free_deadlock_data(mp) do {} while(0) +#define safe_mutex_setflags(mp, F) do {} while (0) #endif /* SAFE_MUTEX */ #if defined(MY_PTHREAD_FASTMUTEX) && !defined(SAFE_MUTEX) @@ -920,6 +922,16 @@ extern uint thd_lib_detected; #define status_var_add(V,C) (V)+=(C) #define status_var_sub(V,C) (V)-=(C) +#ifdef SAFE_MUTEX +#define mysql_mutex_record_order(A,B) \ + do { \ + mysql_mutex_lock(A); mysql_mutex_lock(B); \ + mysql_mutex_unlock(B); mysql_mutex_unlock(A); \ + } while(0) +#else +#define mysql_mutex_record_order(A,B) do { } while(0) +#endif + #ifdef __cplusplus } #endif |