| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can |
| * be found in the LICENSE file. |
| * |
| */ |
| |
| #ifndef SKC_ONCE_BLOCK_POOL |
| #define SKC_ONCE_BLOCK_POOL |
| |
| // |
| // |
| // |
| |
| #include "types.h" |
| |
| // |
| // |
| // |
| |
| union skc_block_pool_size |
| { |
| skc_uint3 u32v3; |
| |
| struct { |
| skc_uint pool_size; // number of blocks |
| skc_uint ring_pow2; // rounded-up pow2 of pool_size |
| skc_uint ring_mask; // ring_pow2 - 1 |
| }; |
| }; |
| |
| // |
| // |
| // |
| |
| union skc_block_pool_atomic |
| { |
| skc_uint2 u32v2; |
| |
| skc_uint u32a2[2]; |
| |
| struct { |
| skc_uint reads; |
| skc_uint writes; |
| }; |
| }; |
| |
| #define SKC_BP_ATOMIC_OFFSET_READS 0 |
| #define SKC_BP_ATOMIC_OFFSET_WRITES 1 |
| |
| // |
| // |
| // |
| |
| #endif |
| |
| // |
| // |
| // |
