2 * Copyright (C) 2017 Cisco Inc.
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2,
6 * as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 // @author Changxue Deng <chadeng@cisco.com>
23 // rwlock within a process
24 pthread_rwlock_t MBLock::mb_rw_lock = PTHREAD_RWLOCK_INITIALIZER;
26 void MBLock::Init(pthread_rwlock_t *rw_lock)
29 // using process lock for initializing shared memory lock
30 pthread_rwlock_wrlock(&mb_rw_lock);
31 mb_rw_lock_ptr = rw_lock;
32 pthread_rwlock_unlock(&mb_rw_lock);
39 mb_rw_lock_ptr = &MBLock::mb_rw_lock;