> Add support for TM-method-specific begin code. > > * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up > declarations. > * dispatch.h (GTM::abi_dispatch::begin_or_restart): New. > * method-serial.cc: Implement begin_or_restart(). > * beginend.cc (GTM::gtm_thread::begin_transaction): Call > dispatch-specific begin_or_restart(). > (GTM::gtm_thread::restart): Same.
Ok except, > + // Run dispatch-specific restart code. Retry until we succeed. > + GTM::gtm_restart_reason rr; > + while ((rr = disp->begin_or_restart()) > + != NUM_RESTARTS) Please add NO_RESTART = NUM_RESTARTS (or it's own number *after* NUM_RESTARTS, or -1, or something) to the enumeration and use that name. Using num_restarts here is confusing. > Fixed gtm_thread::serialirr_mode to actually use serialirr, not serial. > > * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use > serial-irrevocable dispatch, not serial. Ok. > Do not free transaction-local memory when committing a nested transaction. > > * alloc.cc (commit_allocations_2): Do not free transaction-local > memory when committing a nested transaction. Ok. > Handle re-initialization of the current method group. > > * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle > re-initialization of the current method group. > * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this. Ok. > Undo log is used for both thread-local and shared data. > > * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry. > (GTM::gtm_thread): Renamed local_undo to undolog. Renamed > undolog-related member functions from *_local to *_undolog. > * local.cc (gtm_thread::commit_undolog): Same. > * beginend.cc (GTM::gtm_thread::trycommit): Same. > (GTM::gtm_thread::rollback): Roll back undolog before > dispatch-specific rollback. Ok. > Ensure privatization safety if requested by a TM method. > > * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization > safety if requested by a TM method. > * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for > privatization safety. > * method-serial.cc: Same. Ok. > Add gl_wt TM method. > > * libitm_i.h: Add gl_wt dispatch. > * retry.cc (parse_default_method): Same. > * method-gl.cc: New file. > * Makefile.am: Use method-gl.cc. > * Makefile.in: Rebuild. Ok with... > Fix gl_wt commit/rollback when serial lock has been acquired. > > * method-gl.cc (gl_wt_dispatch::trycommit): Fix interaction with > gtm_thread::shared_state when the serial lock is acquired. > (gl_wt_dispatch::rollback): Same. ... this merged with the previous commit. > Fix TLS read accesses on Linux/x86. > > * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile. > (gtm_thr): Same. Ok. r~
