| // Copyright 2021 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <assert.h> |
| #include <time.h> |
| |
| #include <lib/concurrent/seqlock.inc> |
| |
| namespace concurrent { |
| namespace internal { |
| |
| struct PosixUserModeOsal { |
| static inline zx_time_t GetClockMonotonic() { |
| struct timespec ts; |
| if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { |
| return (static_cast<zx_time_t>(ts.tv_sec) * 1'000'000'000) + |
| static_cast<zx_time_t>(ts.tv_nsec); |
| } else { |
| assert(false); |
| return 0; |
| } |
| } |
| |
| static inline void ArchYield() {} |
| }; |
| |
| // Manually expand the SeqLock template using the Fuchsia user-mode OSAL |
| template class SeqLock<PosixUserModeOsal>; |
| |
| } // namespace internal |
| } // namespace concurrent |
