git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 83ffe9cd | 1 | /* Copyright (C) 2008-2023 Free Software Foundation, Inc. |
| 0a35513e AH |
2 | Contributed by Richard Henderson <rth@redhat.com>. |
| 3 | ||
| 4 | This file is part of the GNU Transactional Memory Library (libitm). | |
| 5 | ||
| 6 | Libitm is free software; you can redistribute it and/or modify it | |
| 7 | under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 3 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | Libitm is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| 13 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 14 | more details. | |
| 15 | ||
| 16 | Under Section 7 of GPL version 3, you are granted additional | |
| 17 | permissions described in the GCC Runtime Library Exception, version | |
| 18 | 3.1, as published by the Free Software Foundation. | |
| 19 | ||
| 20 | You should have received a copy of the GNU General Public License and | |
| 21 | a copy of the GCC Runtime Library Exception along with this program; | |
| 22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 23 | <http://www.gnu.org/licenses/>. */ | |
| 24 | ||
| 25 | #include "libitm_i.h" | |
| 26 | ||
| 27 | namespace GTM HIDDEN { | |
| 28 | ||
| 29 | void | |
| 30 | gtm_thread::rollback_user_actions(size_t until_size) | |
| 31 | { | |
| 32 | for (size_t s = user_actions.size(); s > until_size; s--) | |
| 33 | { | |
| 34 | user_action *a = user_actions.pop(); | |
| 35 | if (!a->on_commit) | |
| 36 | a->fn (a->arg); | |
| 37 | } | |
| 38 | } | |
| 39 | ||
| 40 | ||
| 41 | void | |
| 42 | gtm_thread::commit_user_actions() | |
| 43 | { | |
| 44 | for (vector<user_action>::iterator i = user_actions.begin(), | |
| 45 | ie = user_actions.end(); i != ie; i++) | |
| 46 | { | |
| 47 | if (i->on_commit) | |
| 48 | i->fn (i->arg); | |
| 49 | } | |
| 50 | user_actions.clear(); | |
| 51 | } | |
| 52 | ||
| 53 | } // namespace GTM | |
| 54 | ||
| 55 | using namespace GTM; | |
| 56 | ||
| 57 | void ITM_REGPARM | |
| 58 | _ITM_addUserCommitAction(_ITM_userCommitFunction fn, | |
| 59 | _ITM_transactionId_t tid, void *arg) | |
| 60 | { | |
| 61 | gtm_thread *tx = gtm_thr(); | |
| 62 | if (tid != _ITM_noTransactionId) | |
| 63 | GTM_fatal("resumingTransactionId in _ITM_addUserCommitAction must be " | |
| 64 | "_ITM_noTransactionId"); | |
| 65 | gtm_thread::user_action *a = tx->user_actions.push(); | |
| 66 | a->fn = fn; | |
| 67 | a->arg = arg; | |
| 68 | a->on_commit = true; | |
| 69 | a->resuming_id = tid; | |
| 70 | } | |
| 71 | ||
| 72 | ||
| 73 | void ITM_REGPARM | |
| 74 | _ITM_addUserUndoAction(_ITM_userUndoFunction fn, void * arg) | |
| 75 | { | |
| 76 | gtm_thread *tx = gtm_thr(); | |
| 77 | gtm_thread::user_action *a = tx->user_actions.push(); | |
| 78 | a->fn = fn; | |
| 79 | a->arg = arg; | |
| 80 | a->on_commit = false; | |
| 81 | } |