diff options
Diffstat (limited to 'innobase/include/trx0trx.h')
| -rw-r--r-- | innobase/include/trx0trx.h | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/innobase/include/trx0trx.h b/innobase/include/trx0trx.h index 9b7ac22e617..a8c1df534da 100644 --- a/innobase/include/trx0trx.h +++ b/innobase/include/trx0trx.h @@ -194,10 +194,9 @@ trx_end_lock_wait( /******************************************************************** Sends a signal to a trx object. */ -que_thr_t* +ibool trx_sig_send( /*=========*/ - /* out: next query thread to run */ /* out: TRUE if the signal was successfully delivered */ trx_t* trx, /* in: trx handle */ @@ -207,17 +206,27 @@ trx_sig_send( que_thr_t* receiver_thr, /* in: query thread which wants the reply, or NULL; if type is TRX_SIG_END_WAIT, this must be NULL */ - trx_savept_t* savept); /* in: possible rollback savepoint, or + trx_savept_t* savept, /* in: possible rollback savepoint, or NULL */ + que_thr_t** next_thr); /* in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread; if the parameter + is NULL, it is ignored */ /******************************************************************** Send the reply message when a signal in the queue of the trx has been handled. */ -que_thr_t* +void trx_sig_reply( /*==========*/ - /* out: next query thread to run */ - trx_sig_t* sig); /* in: signal */ + trx_sig_t* sig, /* in: signal */ + que_thr_t** next_thr); /* in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread */ /******************************************************************** Removes the signal object from a trx signal queue. */ @@ -229,11 +238,15 @@ trx_sig_remove( /******************************************************************** Starts handling of a trx signal. */ -que_thr_t* +void trx_sig_start_handle( /*=================*/ - /* out: next query thread to run, or NULL */ - trx_t* trx); /* in: trx handle */ + trx_t* trx, /* in: trx handle */ + que_thr_t** next_thr); /* in/out: next query thread to run; + if the value which is passed in is + a pointer to a NULL pointer, then the + calling function can start running + a new query thread */ /******************************************************************** Ends signal handling. If the session is in the error state, and trx->graph_before_signal_handling != NULL, returns control to the error |