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| author | Tobias Markmann <tm@ayena.de> | 2015-02-01 15:34:51 (GMT) |
|---|---|---|
| committer | Swift Review <review@swift.im> | 2015-02-08 12:04:23 (GMT) |
| commit | 19656914a7f9007c9e54588939c85752e509376c (patch) | |
| tree | a6e2923453aec3d3e9ecc9c4328e22482cf741b9 /Swiften/Base | |
| parent | 9f6d02730918faa041afc39ec51b57675b4c5c1d (diff) | |
| download | swift-19656914a7f9007c9e54588939c85752e509376c.zip swift-19656914a7f9007c9e54588939c85752e509376c.tar.bz2 | |
Fix data race in PlatformDomainNameResolver reported by TSAN
Test-Information:
All tests still succeed on OS X and Linux.
Change-Id: I2c02252b646b539b960cad18b6f88807afd84d32
Diffstat (limited to 'Swiften/Base')
| -rw-r--r-- | Swiften/Base/Atomic.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Swiften/Base/Atomic.h b/Swiften/Base/Atomic.h new file mode 100644 index 0000000..bca3683 --- /dev/null +++ b/Swiften/Base/Atomic.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2015 Isode Limited. + * All rights reserved. + * See the COPYING file for more information. + */ + +#pragma once + +#include <boost/thread.hpp> +#include <boost/thread/locks.hpp> + +namespace Swift { + +/** + * This class template provides a read/write access synchronized wrapper for other types. + */ +template <typename ValueType> +class Atomic { + public: + Atomic(const ValueType& v) : value_(v) { + } + + /** + * Synchronized write access. + */ + Atomic<ValueType>& operator=(const ValueType& newValue) { + boost::lock_guard<boost::mutex> lock(valueMutex_); + value_ = newValue; + return *this; + } + + /** + * Synchronized read access. + */ + operator ValueType() { + boost::lock_guard<boost::mutex> lock(valueMutex_); + return value_; + } + + private: + boost::mutex valueMutex_; + ValueType value_; +}; + +} |