diff options
Diffstat (limited to 'include/my_dbug.h')
| -rw-r--r-- | include/my_dbug.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/my_dbug.h b/include/my_dbug.h index 956a5504e86..34681fbc633 100644 --- a/include/my_dbug.h +++ b/include/my_dbug.h @@ -145,7 +145,23 @@ extern const char* _db_get_func_(void); #define DBUG_CRASH_VOID_RETURN do { return; } while(0) #endif -#ifdef __cplusplus + +#ifdef EXTRA_DEBUG +/** + Sync points allow us to force the server to reach a certain line of code + and block there until the client tells the server it is ok to go on. + The client tells the server to block with SELECT GET_LOCK() + and unblocks it with SELECT RELEASE_LOCK(). Used for debugging difficult + concurrency problems +*/ +#define DBUG_SYNC_POINT(lock_name,lock_timeout) \ + debug_sync_point(lock_name,lock_timeout) +void debug_sync_point(const char* lock_name, uint lock_timeout); +#else +#define DBUG_SYNC_POINT(lock_name,lock_timeout) +#endif /* EXTRA_DEBUG */ + +#ifdef __cplusplus } #endif #endif |