| // 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 "src/sys/fuzzing/common/run-once.h" |
| |
| #include <lib/syslog/cpp/macros.h> |
| |
| namespace fuzzing { |
| |
| RunOnce::RunOnce(fit::closure task) : task_(std::move(task)) {} |
| |
| RunOnce::~RunOnce() { |
| FX_CHECK(running_); |
| ran_.WaitFor("task to complete"); |
| } |
| |
| void RunOnce::Run() { |
| if (running_.exchange(true)) { |
| ran_.WaitFor("task to complete"); |
| } else { |
| task_(); |
| ran_.Signal(); |
| } |
| } |
| |
| } // namespace fuzzing |
