blob: cf45f21e03ffd72731fde36d8477c203165de52c [file] [log] [blame]
// Copyright 2021 The Pigweed Authors
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#pragma once
#include "FreeRTOS.h"
#include "pw_assert/assert.h"
#include "pw_interrupt/context.h"
#include "pw_sync/thread_notification.h"
#include "task.h"
namespace pw::sync {
namespace backend {
static_assert(configUSE_TASK_NOTIFICATIONS != 0,
"Task Notifications aren't enabled.");
} // namespace backend
inline ThreadNotification::ThreadNotification()
: native_type_{
.blocked_thread = nullptr,
.notified = false,
} {}
inline ThreadNotification::~ThreadNotification() = default;
inline bool ThreadNotification::try_acquire() {
// Enforce the pw::sync::ThreadNotification IRQ contract.
const bool notified = native_type_.notified;
native_type_.notified = false;
return notified;
inline ThreadNotification::native_handle_type
ThreadNotification::native_handle() {
return native_type_;
} // namespace pw::sync