From 7abc5fe195cfa203d215781e2a04672cebecca1e Mon Sep 17 00:00:00 2001 From: bigbiff Date: Sat, 17 Jan 2015 16:53:12 -0500 Subject: Add cancel backup capability. This will stop the iteration of the partition objects, kill the current twrpTar thread and remove the backup directory. Implement TWAtomicInt class to give us a wrapper that automatically uses mutexes before the read and write to help ensure that the reads and writes will be atomic based on documentation. Change-Id: I645b22bc980a292e9c7202acb24ffd22ebe68c63 --- tw_atomic.hpp | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 tw_atomic.hpp (limited to 'tw_atomic.hpp') diff --git a/tw_atomic.hpp b/tw_atomic.hpp new file mode 100644 index 000000000..0f29f0200 --- /dev/null +++ b/tw_atomic.hpp @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2015 The Team Win Recovery Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _TWATOMIC_HPP_HEADER +#define _TWATOMIC_HPP_HEADER + +#include + +class TWAtomicInt +{ +public: + TWAtomicInt(int initial_value = 0); + ~TWAtomicInt(); + void set_value(int new_value); + int get_value(); + +private: + int value; + bool use_mutex; + pthread_mutex_t mutex_lock; +}; + +#endif //_TWATOMIC_HPP_HEADER -- cgit v1.2.3