2017-10-07 00:16:47 +00:00
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/* Copyright (C) 2008-2017 Free Software Foundation, Inc.
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2012-03-27 23:13:14 +00:00
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Contributed by Richard Henderson <rth@redhat.com>.
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This file is part of the GNU Transactional Memory Library (libitm).
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Libitm is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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Libitm is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "libitm_i.h"
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namespace GTM HIDDEN {
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void
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gtm_thread::rollback_user_actions(size_t until_size)
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{
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for (size_t s = user_actions.size(); s > until_size; s--)
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{
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user_action *a = user_actions.pop();
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if (!a->on_commit)
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a->fn (a->arg);
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}
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}
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void
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gtm_thread::commit_user_actions()
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{
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for (vector<user_action>::iterator i = user_actions.begin(),
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ie = user_actions.end(); i != ie; i++)
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{
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if (i->on_commit)
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i->fn (i->arg);
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}
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user_actions.clear();
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}
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} // namespace GTM
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using namespace GTM;
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void ITM_REGPARM
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_ITM_addUserCommitAction(_ITM_userCommitFunction fn,
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_ITM_transactionId_t tid, void *arg)
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{
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gtm_thread *tx = gtm_thr();
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if (tid != _ITM_noTransactionId)
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GTM_fatal("resumingTransactionId in _ITM_addUserCommitAction must be "
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"_ITM_noTransactionId");
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gtm_thread::user_action *a = tx->user_actions.push();
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a->fn = fn;
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a->arg = arg;
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a->on_commit = true;
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a->resuming_id = tid;
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}
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void ITM_REGPARM
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_ITM_addUserUndoAction(_ITM_userUndoFunction fn, void * arg)
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{
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gtm_thread *tx = gtm_thr();
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gtm_thread::user_action *a = tx->user_actions.push();
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a->fn = fn;
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a->arg = arg;
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a->on_commit = false;
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}
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