Ewout van Bekkum | f4da489 | 2021-03-05 15:05:37 -0800 | [diff] [blame] | 1 | // Copyright 2021 The Pigweed Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 4 | // use this file except in compliance with the License. You may obtain a copy of |
| 5 | // the License at |
| 6 | // |
| 7 | // https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 11 | // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | // License for the specific language governing permissions and limitations under |
| 13 | // the License. |
| 14 | |
| 15 | #include "pw_thread/test_threads.h" |
| 16 | |
| 17 | #include <chrono> |
| 18 | |
| 19 | #include "pw_assert/check.h" |
| 20 | #include "pw_chrono/system_clock.h" |
| 21 | #include "pw_log/log.h" |
| 22 | #include "pw_thread/sleep.h" |
| 23 | #include "pw_thread_threadx/context.h" |
| 24 | #include "pw_thread_threadx/options.h" |
| 25 | |
| 26 | namespace pw::thread::test { |
| 27 | namespace { |
| 28 | |
| 29 | std::array<threadx::ContextWithStack<>, 2> thread_contexts; |
| 30 | |
| 31 | } // namespace |
| 32 | |
| 33 | const Options& TestOptionsThread0() { |
| 34 | static constexpr threadx::Options thread_0_options = |
| 35 | threadx::Options() |
| 36 | .set_name("pw::TestThread0") |
| 37 | .set_context(thread_contexts[0]); |
| 38 | return thread_0_options; |
| 39 | } |
| 40 | |
| 41 | const Options& TestOptionsThread1() { |
| 42 | static constexpr threadx::Options thread_1_options = |
| 43 | threadx::Options() |
| 44 | .set_name("pw::TestThread1") |
| 45 | .set_context(thread_contexts[1]); |
| 46 | return thread_1_options; |
| 47 | } |
| 48 | |
| 49 | void WaitUntilDetachedThreadsCleanedUp() { |
| 50 | // ThreadX does not permit the running thread to delete itself, which means |
| 51 | // we have to do this to re-use a TCB as otherwise we will be leaking stale |
| 52 | // references in the kernel. |
| 53 | for (auto& context : thread_contexts) { |
| 54 | if (context.tcb().tx_thread_id != TX_THREAD_ID) { |
| 55 | // The TCB was either not used or was already deleted. Note that |
| 56 | // tx_thread_terminate does NOT clear this state by design. |
| 57 | continue; |
| 58 | } |
| 59 | |
| 60 | // If the thread was created but has not been deleted, it means that the |
| 61 | // thread was detached before it finished. Wait until it is completed. |
| 62 | while (context.tcb().tx_thread_state != TX_COMPLETED) { |
| 63 | pw::this_thread::sleep_for( |
| 64 | chrono::SystemClock::for_at_least(std::chrono::milliseconds(1))); |
| 65 | } |
| 66 | |
| 67 | const UINT result = tx_thread_delete(&context.tcb()); |
| 68 | PW_CHECK_UINT_EQ(TX_SUCCESS, result, "Failed to delete thread"); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | } // namespace pw::thread::test |