| /* ThreadSanitizer |
| * Copyright (c) 2011, Google Inc. All rights reserved. |
| * |
| * 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. |
| * * 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. |
| */ |
| |
| #ifndef TS_ATOMIC_H_INCLUDED |
| #define TS_ATOMIC_H_INCLUDED |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| // These constants mostly mimic ones from C++0x standard draft. |
| // The most recent version of the draft (as of now) can be found here: |
| // http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3242.pdf |
| // Check out fresh versions here: |
| // http://www.open-std.org/jtc1/sc22/wg21/docs/papers/ |
| // Refer to sections 1.10 and 29. |
| // |
| // tsan_memory_order_invalid has no meaning other than invalid enum value. |
| // tsan_memory_order_natomic stands for "non atomic" and expresses |
| // as if plain memory access that is not intended to race |
| // with other accesses. |
| typedef enum tsan_memory_order { |
| tsan_memory_order_invalid = 0, |
| tsan_memory_order_natomic = 1 << 0, |
| tsan_memory_order_relaxed = 1 << 1, |
| tsan_memory_order_consume = 1 << 2, |
| tsan_memory_order_acquire = 1 << 3, |
| tsan_memory_order_release = 1 << 4, |
| tsan_memory_order_acq_rel = 1 << 5, |
| tsan_memory_order_seq_cst = 1 << 6 |
| } tsan_memory_order; |
| |
| |
| // These constants express types of atomic memory operations |
| // as defined by C++0x standard draft (section 29). |
| // |
| // tsan_atomic_op_invalid has no meaning other than invalid enum value. |
| // compare_exchange_weak differs from compare_exchange_strong in that |
| // it can fail spuriously. |
| typedef enum tsan_atomic_op { |
| tsan_atomic_op_invalid = 0, |
| tsan_atomic_op_fence = 1 << 0, |
| tsan_atomic_op_load = 1 << 1, |
| tsan_atomic_op_store = 1 << 2, |
| tsan_atomic_op_exchange = 1 << 3, |
| tsan_atomic_op_fetch_add = 1 << 4, |
| tsan_atomic_op_fetch_sub = 1 << 5, |
| tsan_atomic_op_fetch_and = 1 << 6, |
| tsan_atomic_op_fetch_xor = 1 << 7, |
| tsan_atomic_op_fetch_or = 1 << 8, |
| tsan_atomic_op_compare_exchange_weak = 1 << 9, |
| tsan_atomic_op_compare_exchange_strong = 1 << 10 |
| } tsan_atomic_op; |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // #ifndef TS_ATOMIC_H_INCLUDED |
| |
| |