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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 <chrono>
#include "pw_assert/check.h"
#include "pw_chrono/system_clock.h"
#include "pw_log/log.h"
#include "pw_thread/non_portable_test_thread_options.h"
#include "pw_thread/sleep.h"
#include "pw_thread_threadx/context.h"
#include "pw_thread_threadx/options.h"
namespace pw::thread::test {
namespace {
std::array<threadx::ContextWithStack<>, 2> thread_contexts;
} // namespace
const Options& TestOptionsThread0() {
static constexpr threadx::Options thread_0_options =
threadx::Options()
.set_name("pw::TestThread0")
.set_context(thread_contexts[0]);
return thread_0_options;
}
const Options& TestOptionsThread1() {
static constexpr threadx::Options thread_1_options =
threadx::Options()
.set_name("pw::TestThread1")
.set_context(thread_contexts[1]);
return thread_1_options;
}
void WaitUntilDetachedThreadsCleanedUp() {
// ThreadX does not permit the running thread to delete itself, which means
// we have to do this to re-use a TCB as otherwise we will be leaking stale
// references in the kernel.
for (auto& context : thread_contexts) {
if (context.tcb().tx_thread_id != TX_THREAD_ID) {
// The TCB was either not used or was already deleted. Note that
// tx_thread_terminate does NOT clear this state by design.
continue;
}
// If the thread was created but has not been deleted, it means that the
// thread was detached before it finished. Wait until it is completed.
while (context.tcb().tx_thread_state != TX_COMPLETED) {
pw::this_thread::sleep_for(
chrono::SystemClock::for_at_least(std::chrono::milliseconds(1)));
}
const UINT result = tx_thread_delete(&context.tcb());
PW_CHECK_UINT_EQ(TX_SUCCESS, result, "Failed to delete thread");
}
}
} // namespace pw::thread::test
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