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Diffstat (limited to 'src/google/protobuf/stubs/atomicops_internals_solaris.h')
| -rw-r--r-- | src/google/protobuf/stubs/atomicops_internals_solaris.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/google/protobuf/stubs/atomicops_internals_solaris.h b/src/google/protobuf/stubs/atomicops_internals_solaris.h new file mode 100644 index 0000000..d8057ec --- /dev/null +++ b/src/google/protobuf/stubs/atomicops_internals_solaris.h @@ -0,0 +1,188 @@ +// Copyright 2014 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// 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. + +// This file is an internal atomic implementation, use atomicops.h instead. + +#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_ +#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_ + +#include <atomic.h> + +namespace google { +namespace protobuf { +namespace internal { + +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); +} + +inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, + Atomic32 new_value) { + return (Atomic32)atomic_swap_32((volatile uint32_t*)ptr, (uint32_t)new_value); +} + +inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + return (Atomic32)atomic_add_32_nv((volatile uint32_t*)ptr, (uint32_t)increment); +} + +inline void MemoryBarrier(void) { + membar_producer(); + membar_consumer(); +} + +inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, + Atomic32 increment) { + MemoryBarrier(); + Atomic32 ret = NoBarrier_AtomicIncrement(ptr, increment); + MemoryBarrier(); + + return ret; +} + +inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + Atomic32 ret = NoBarrier_CompareAndSwap(ptr, old_value, new_value); + MemoryBarrier(); + + return ret; +} + +inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr, + Atomic32 old_value, + Atomic32 new_value) { + MemoryBarrier(); + return NoBarrier_CompareAndSwap(ptr, old_value, new_value); +} + +inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) { + *ptr = value; +} + +inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) { + *ptr = value; + membar_producer(); +} + +inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) { + membar_consumer(); + *ptr = value; +} + +inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) { + return *ptr; +} + +inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) { + Atomic32 val = *ptr; + membar_consumer(); + return val; +} + +inline Atomic32 Release_Load(volatile const Atomic32* ptr) { + membar_producer(); + return *ptr; +} + +#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); +} + +inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr, Atomic64 new_value) { + return atomic_swap_64((volatile uint64_t*)ptr, (uint64_t)new_value); +} + +inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr, Atomic64 increment) { + return atomic_add_64_nv((volatile uint64_t*)ptr, increment); +} + +inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, Atomic64 increment) { + MemoryBarrier(); + Atomic64 ret = atomic_add_64_nv((volatile uint64_t*)ptr, increment); + MemoryBarrier(); + return ret; +} + +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; +} + +inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr, + Atomic64 old_value, + Atomic64 new_value) { + MemoryBarrier(); + return NoBarrier_CompareAndSwap(ptr, old_value, new_value); +} + +inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) { + *ptr = value; +} + +inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) { + *ptr = value; + membar_producer(); +} + +inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) { + membar_consumer(); + *ptr = value; +} + +inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) { + return *ptr; +} + +inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) { + Atomic64 ret = *ptr; + membar_consumer(); + return ret; +} + +inline Atomic64 Release_Load(volatile const Atomic64* ptr) { + membar_producer(); + return *ptr; +} +#endif + +} // namespace internal +} // namespace protobuf +} // namespace google + +#endif // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_SPARC_GCC_H_ + |