diff options
Diffstat (limited to 'indra/llcommon')
-rw-r--r-- | indra/llcommon/CMakeLists.txt | 2 | ||||
-rw-r--r-- | indra/llcommon/llapp.h | 3 | ||||
-rw-r--r-- | indra/llcommon/llapr.h | 28 | ||||
-rw-r--r-- | indra/llcommon/llatomic.cpp | 28 | ||||
-rw-r--r-- | indra/llcommon/llatomic.h | 69 | ||||
-rw-r--r-- | indra/llcommon/llinstancetracker.cpp | 7 | ||||
-rw-r--r-- | indra/llcommon/llinstancetracker.h | 9 | ||||
-rw-r--r-- | indra/llcommon/llmutex.cpp | 3 | ||||
-rw-r--r-- | indra/llcommon/llqueuedthread.h | 6 | ||||
-rw-r--r-- | indra/llcommon/llrefcount.h | 8 | ||||
-rw-r--r-- | indra/llcommon/llworkerthread.h | 2 |
11 files changed, 118 insertions, 47 deletions
diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt index d9eb13d65a..ac19e6d025 100644 --- a/indra/llcommon/CMakeLists.txt +++ b/indra/llcommon/CMakeLists.txt @@ -35,6 +35,7 @@ set(llcommon_SOURCE_FILES llapp.cpp llapr.cpp llassettype.cpp + llatomic.cpp llbase32.cpp llbase64.cpp llbitpack.cpp @@ -135,6 +136,7 @@ set(llcommon_HEADER_FILES llapp.h llapr.h llassettype.h + llatomic.h llbase32.h llbase64.h llbitpack.h diff --git a/indra/llcommon/llapp.h b/indra/llcommon/llapp.h index acd829d864..245c73e3a2 100644 --- a/indra/llcommon/llapp.h +++ b/indra/llcommon/llapp.h @@ -30,9 +30,8 @@ #include <map> #include "llrun.h" #include "llsd.h" +#include <atomic> // Forward declarations -template <typename Type> class LLAtomic32; -typedef LLAtomic32<U32> LLAtomicU32; class LLErrorThread; class LLLiveFile; #if LL_LINUX diff --git a/indra/llcommon/llapr.h b/indra/llcommon/llapr.h index 73d1d180ef..da50dda103 100644 --- a/indra/llcommon/llapr.h +++ b/indra/llcommon/llapr.h @@ -38,7 +38,6 @@ #include "apr_thread_proc.h" #include "apr_getopt.h" #include "apr_signal.h" -#include "apr_atomic.h" #include "llstring.h" @@ -131,33 +130,6 @@ private: std::unique_ptr<std::mutex> mMutexp; } ; -template <typename Type> class LLAtomic32 -{ -public: - LLAtomic32<Type>() {}; - LLAtomic32<Type>(Type x) {apr_atomic_set32(&mData, apr_uint32_t(x)); }; - ~LLAtomic32<Type>() {}; - - operator const Type() { apr_uint32_t data = apr_atomic_read32(&mData); return Type(data); } - - Type CurrentValue() const { apr_uint32_t data = apr_atomic_read32(const_cast< volatile apr_uint32_t* >(&mData)); return Type(data); } - - Type operator =(const Type& x) { apr_atomic_set32(&mData, apr_uint32_t(x)); return Type(mData); } - void operator -=(Type x) { apr_atomic_sub32(&mData, apr_uint32_t(x)); } - void operator +=(Type x) { apr_atomic_add32(&mData, apr_uint32_t(x)); } - Type operator ++(int) { return apr_atomic_inc32(&mData); } // Type++ - Type operator --(int) { return apr_atomic_dec32(&mData); } // approximately --Type (0 if final is 0, non-zero otherwise) - - Type operator ++() { return apr_atomic_inc32(&mData); } // Type++ - Type operator --() { return apr_atomic_dec32(&mData); } // approximately --Type (0 if final is 0, non-zero otherwise) - -private: - volatile apr_uint32_t mData; -}; - -typedef LLAtomic32<U32> LLAtomicU32; -typedef LLAtomic32<S32> LLAtomicS32; - // File IO convenience functions. // Returns NULL if the file fails to open, sets *sizep to file size if not NULL // abbreviated flags diff --git a/indra/llcommon/llatomic.cpp b/indra/llcommon/llatomic.cpp new file mode 100644 index 0000000000..93aba1f460 --- /dev/null +++ b/indra/llcommon/llatomic.cpp @@ -0,0 +1,28 @@ +/** + * @file llatomic.cpp + * + * $LicenseInfo:firstyear=2018&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2018, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "llatomic.h" + +//============================================================================ diff --git a/indra/llcommon/llatomic.h b/indra/llcommon/llatomic.h new file mode 100644 index 0000000000..8de773846c --- /dev/null +++ b/indra/llcommon/llatomic.h @@ -0,0 +1,69 @@ +/** + * @file llatomic.h + * @brief Base classes for atomic. + * + * $LicenseInfo:firstyear=2018&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2018, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef LL_LLATOMIC_H +#define LL_LLATOMIC_H + +#include "stdtypes.h" + +#include <atomic> + +template <typename Type, typename AtomicType = std::atomic< Type > > class LLAtomicBase +{ +public: + LLAtomicBase() {}; + LLAtomicBase(Type x) { mData.store(x); } + ~LLAtomicBase() {}; + + operator const Type() { return mData; } + + Type CurrentValue() const { return mData; } + + Type operator =(const Type& x) { mData.store(x); return mData; } + void operator -=(Type x) { mData -= x; } + void operator +=(Type x) { mData += x; } + Type operator ++(int) { return mData++; } + Type operator --(int) { return mData--; } + + Type operator ++() { return ++mData; } + Type operator --() { return --mData; } + +private: + AtomicType mData; +}; + +// Typedefs for specialized versions. Using std::atomic_(u)int32_t to get the optimzed implementation. +#ifdef LL_WINDOWS +typedef LLAtomicBase<U32, std::atomic_uint32_t> LLAtomicU32; +typedef LLAtomicBase<S32, std::atomic_int32_t> LLAtomicS32; +#else +typedef LLAtomicBase<U32, std::atomic_uint> LLAtomicU32; +typedef LLAtomicBase<S32, std::atomic_int> LLAtomicS32; +#endif + +typedef LLAtomicBase<bool, std::atomic_bool> LLAtomicBool; + +#endif // LL_LLATOMIC_H diff --git a/indra/llcommon/llinstancetracker.cpp b/indra/llcommon/llinstancetracker.cpp index 11fc53f8c8..3f990f4869 100644 --- a/indra/llcommon/llinstancetracker.cpp +++ b/indra/llcommon/llinstancetracker.cpp @@ -36,17 +36,16 @@ void LLInstanceTrackerBase::StaticBase::incrementDepth() { - apr_atomic_inc32(&sIterationNestDepth); + ++sIterationNestDepth; } void LLInstanceTrackerBase::StaticBase::decrementDepth() { llassert(sIterationNestDepth); - apr_atomic_dec32(&sIterationNestDepth); + --sIterationNestDepth; } U32 LLInstanceTrackerBase::StaticBase::getDepth() { - apr_uint32_t data = apr_atomic_read32(&sIterationNestDepth); - return data; + return sIterationNestDepth; } diff --git a/indra/llcommon/llinstancetracker.h b/indra/llcommon/llinstancetracker.h index 910c8dbd99..363d0bcbd5 100644 --- a/indra/llcommon/llinstancetracker.h +++ b/indra/llcommon/llinstancetracker.h @@ -28,6 +28,7 @@ #ifndef LL_LLINSTANCETRACKER_H #define LL_LLINSTANCETRACKER_H +#include <atomic> #include <map> #include <typeinfo> @@ -81,8 +82,12 @@ protected: void decrementDepth(); U32 getDepth(); private: - U32 sIterationNestDepth; - }; +#ifdef LL_WINDOWS + std::atomic_uint32_t sIterationNestDepth; +#else + std::atomic_uint sIterationNestDepth; +#endif + }; }; LL_COMMON_API void assert_main_thread(); diff --git a/indra/llcommon/llmutex.cpp b/indra/llcommon/llmutex.cpp index cf84e50953..75f43a4704 100644 --- a/indra/llcommon/llmutex.cpp +++ b/indra/llcommon/llmutex.cpp @@ -24,9 +24,6 @@ */ #include "linden_common.h" -#include "llapr.h" - -#include "apr_portable.h" #include "llmutex.h" #include "llthread.h" diff --git a/indra/llcommon/llqueuedthread.h b/indra/llcommon/llqueuedthread.h index d3704b0fe2..5d3f873646 100644 --- a/indra/llcommon/llqueuedthread.h +++ b/indra/llcommon/llqueuedthread.h @@ -32,7 +32,7 @@ #include <map> #include <set> -#include "llapr.h" +#include "llatomic.h" #include "llthread.h" #include "llsimplehash.h" @@ -128,7 +128,7 @@ public: }; protected: - LLAtomic32<status_t> mStatus; + LLAtomicBase<status_t> mStatus; U32 mPriority; U32 mFlags; }; @@ -198,7 +198,7 @@ public: protected: BOOL mThreaded; // if false, run on main thread and do updates during update() BOOL mStarted; // required when mThreaded is false to call startThread() from update() - LLAtomic32<BOOL> mIdleThread; // request queue is empty (or we are quitting) and the thread is idle + LLAtomicBool mIdleThread; // request queue is empty (or we are quitting) and the thread is idle typedef std::set<QueuedRequest*, queued_request_less> request_queue_t; request_queue_t mRequestQueue; diff --git a/indra/llcommon/llrefcount.h b/indra/llcommon/llrefcount.h index cdc60fa54f..fb0411d27b 100644 --- a/indra/llcommon/llrefcount.h +++ b/indra/llcommon/llrefcount.h @@ -29,7 +29,7 @@ #include <boost/noncopyable.hpp> #include <boost/intrusive_ptr.hpp> #include "llmutex.h" -#include "llapr.h" +#include "llatomic.h" //---------------------------------------------------------------------------- // RefCount objects should generally only be accessed by way of LLPointer<>'s @@ -107,8 +107,8 @@ public: void unref() { llassert(mRef >= 1); - if ((--mRef) == 0) // See note in llapr.h on atomic decrement operator return value. - { + if ((--mRef) == 0) + { // If we hit zero, the caller should be the only smart pointer owning the object and we can delete it. // It is technically possible for a vanilla pointer to mess this up, or another thread to // jump in, find this object, create another smart pointer and end up dangling, but if @@ -124,7 +124,7 @@ public: } private: - LLAtomic32< S32 > mRef; + LLAtomicS32 mRef; }; /** diff --git a/indra/llcommon/llworkerthread.h b/indra/llcommon/llworkerthread.h index 09776816a8..b1a6f61360 100644 --- a/indra/llcommon/llworkerthread.h +++ b/indra/llcommon/llworkerthread.h @@ -33,7 +33,7 @@ #include <string> #include "llqueuedthread.h" -#include "llapr.h" +#include "llatomic.h" #define USE_FRAME_CALLBACK_MANAGER 0 |