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// 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
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// 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.
#include "pw_thread_embos/util.h"
#include "RTOS.h"
#include "pw_function/function.h"
#include "pw_status/status.h"
namespace pw::thread::embos {
namespace internal {
// Iterates through all threads that haven't been deleted, calling the provided
// callback.
Status ForEachThread(const OS_TASK& starting_thread, const ThreadCallback& cb) {
if (!OS_IsRunning()) {
return Status::FailedPrecondition();
}
const OS_TASK* thread = &starting_thread;
while (thread != nullptr) {
if (!cb(*thread)) {
// Early-terminate iteration if requested by the callback.
return Status::Aborted();
}
thread = thread->pNext;
}
return OkStatus();
}
} // namespace internal
Status ForEachThread(const ThreadCallback& cb) {
return internal::ForEachThread(*OS_Global.pTask, cb);
}
} // namespace pw::thread::embos