| /* Copyright (C) 2008-2022 Free Software Foundation, Inc. |
| Contributed by Richard Henderson <rth@redhat.com>. |
| |
| This file is part of the GNU Transactional Memory Library (libitm). |
| |
| Libitm is free software; you can redistribute it and/or modify it |
| under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| Libitm is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "libitm_i.h" |
| |
| namespace GTM HIDDEN { |
| |
| void |
| gtm_thread::rollback_user_actions(size_t until_size) |
| { |
| for (size_t s = user_actions.size(); s > until_size; s--) |
| { |
| user_action *a = user_actions.pop(); |
| if (!a->on_commit) |
| a->fn (a->arg); |
| } |
| } |
| |
| |
| void |
| gtm_thread::commit_user_actions() |
| { |
| for (vector<user_action>::iterator i = user_actions.begin(), |
| ie = user_actions.end(); i != ie; i++) |
| { |
| if (i->on_commit) |
| i->fn (i->arg); |
| } |
| user_actions.clear(); |
| } |
| |
| } // namespace GTM |
| |
| using namespace GTM; |
| |
| void ITM_REGPARM |
| _ITM_addUserCommitAction(_ITM_userCommitFunction fn, |
| _ITM_transactionId_t tid, void *arg) |
| { |
| gtm_thread *tx = gtm_thr(); |
| if (tid != _ITM_noTransactionId) |
| GTM_fatal("resumingTransactionId in _ITM_addUserCommitAction must be " |
| "_ITM_noTransactionId"); |
| gtm_thread::user_action *a = tx->user_actions.push(); |
| a->fn = fn; |
| a->arg = arg; |
| a->on_commit = true; |
| a->resuming_id = tid; |
| } |
| |
| |
| void ITM_REGPARM |
| _ITM_addUserUndoAction(_ITM_userUndoFunction fn, void * arg) |
| { |
| gtm_thread *tx = gtm_thr(); |
| gtm_thread::user_action *a = tx->user_actions.push(); |
| a->fn = fn; |
| a->arg = arg; |
| a->on_commit = false; |
| } |