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Merge pull request #32 from worr/bug/solaris-atomicops
Add support for solaris atomicops
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188 changes: 188 additions & 0 deletions
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src/google/protobuf/stubs/atomicops_internals_solaris.h
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| // Copyright 2014 Google Inc. All rights reserved. | ||
| // http://code.google.com/p/protobuf/ | ||
| // | ||
| // Redistribution and use in source and binary forms, with or without | ||
| // modification, are permitted provided that the following conditions are | ||
| // met: | ||
| // | ||
| // * Redistributions of source code must retain the above copyright | ||
| // notice, this list of conditions and the following disclaimer. | ||
| // * Redistributions in binary form must reproduce the above | ||
| // copyright notice, this list of conditions and the following disclaimer | ||
| // in the documentation and/or other materials provided with the | ||
| // distribution. | ||
| // * Neither the name of Google Inc. nor the names of its | ||
| // contributors may be used to endorse or promote products derived from | ||
| // this software without specific prior written permission. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
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| // This file is an internal atomic implementation, use atomicops.h instead. | ||
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| #ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_ | ||
| #define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_ | ||
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| #include <atomic.h> | ||
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| namespace google { | ||
| namespace protobuf { | ||
| namespace internal { | ||
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| inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr, | ||
| Atomic32 old_value, | ||
| Atomic32 new_value) { | ||
| return (Atomic32)atomic_cas_32((volatile uint32_t*)ptr, (uint32_t)old_value, (uint32_t)new_value); | ||
| } | ||
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| inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, | ||
| Atomic32 new_value) { | ||
| return (Atomic32)atomic_swap_32((volatile uint32_t*)ptr, (uint32_t)new_value); | ||
| } | ||
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| inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, | ||
| Atomic32 increment) { | ||
| return (Atomic32)atomic_add_32_nv((volatile uint32_t*)ptr, (uint32_t)increment); | ||
| } | ||
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| inline void MemoryBarrier(void) { | ||
| membar_producer(); | ||
| membar_consumer(); | ||
| } | ||
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| inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, | ||
| Atomic32 increment) { | ||
| MemoryBarrier(); | ||
| Atomic32 ret = NoBarrier_AtomicIncrement(ptr, increment); | ||
| MemoryBarrier(); | ||
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| return ret; | ||
| } | ||
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| inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr, | ||
| Atomic32 old_value, | ||
| Atomic32 new_value) { | ||
| Atomic32 ret = NoBarrier_CompareAndSwap(ptr, old_value, new_value); | ||
| MemoryBarrier(); | ||
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| return ret; | ||
| } | ||
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| inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr, | ||
| Atomic32 old_value, | ||
| Atomic32 new_value) { | ||
| MemoryBarrier(); | ||
| return NoBarrier_CompareAndSwap(ptr, old_value, new_value); | ||
| } | ||
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| inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) { | ||
| *ptr = value; | ||
| } | ||
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| inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) { | ||
| *ptr = value; | ||
| membar_producer(); | ||
| } | ||
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| inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) { | ||
| membar_consumer(); | ||
| *ptr = value; | ||
| } | ||
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| inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) { | ||
| return *ptr; | ||
| } | ||
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| inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) { | ||
| Atomic32 val = *ptr; | ||
| membar_consumer(); | ||
| return val; | ||
| } | ||
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| inline Atomic32 Release_Load(volatile const Atomic32* ptr) { | ||
| membar_producer(); | ||
| return *ptr; | ||
| } | ||
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| #ifdef GOOGLE_PROTOBUF_ARCH_64_BIT | ||
| inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr, | ||
| Atomic64 old_value, | ||
| Atomic64 new_value) { | ||
| return atomic_cas_64((volatile uint64_t*)ptr, (uint64_t)old_value, (uint64_t)new_value); | ||
| } | ||
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| inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr, Atomic64 new_value) { | ||
| return atomic_swap_64((volatile uint64_t*)ptr, (uint64_t)new_value); | ||
| } | ||
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| inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr, Atomic64 increment) { | ||
| return atomic_add_64_nv((volatile uint64_t*)ptr, increment); | ||
| } | ||
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| inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, Atomic64 increment) { | ||
| MemoryBarrier(); | ||
| Atomic64 ret = atomic_add_64_nv((volatile uint64_t*)ptr, increment); | ||
| MemoryBarrier(); | ||
| return ret; | ||
| } | ||
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| inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr, | ||
| Atomic64 old_value, | ||
| Atomic64 new_value) { | ||
| Atomic64 ret = NoBarrier_CompareAndSwap(ptr, old_value, new_value); | ||
| MemoryBarrier(); | ||
| return ret; | ||
| } | ||
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| inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr, | ||
| Atomic64 old_value, | ||
| Atomic64 new_value) { | ||
| MemoryBarrier(); | ||
| return NoBarrier_CompareAndSwap(ptr, old_value, new_value); | ||
| } | ||
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| inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) { | ||
| *ptr = value; | ||
| } | ||
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| inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) { | ||
| *ptr = value; | ||
| membar_producer(); | ||
| } | ||
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| inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) { | ||
| membar_consumer(); | ||
| *ptr = value; | ||
| } | ||
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| inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) { | ||
| return *ptr; | ||
| } | ||
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| inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) { | ||
| Atomic64 ret = *ptr; | ||
| membar_consumer(); | ||
| return ret; | ||
| } | ||
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| inline Atomic64 Release_Load(volatile const Atomic64* ptr) { | ||
| membar_producer(); | ||
| return *ptr; | ||
| } | ||
| #endif | ||
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| } // namespace internal | ||
| } // namespace protobuf | ||
| } // namespace google | ||
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| #endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_ | ||
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