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830d5d1ac0
Changes the SystemClock C Api to: 1) Use a pw_chrono_SystemClock_Duration struct instead of aliasing an int64_t under pw_chrono_SystemClock_TickCount which could accidentally permit direct tick usage. 2) Add PW_SYSTEM_CLOCK_{MS,S,MIN,H} and PW_SYSTEM_CLOCK_{MS,S,MIN,H}_CEIL to permit C API users to create durations which round up to the nearest tick for deadlines and timeouts, mirroring std::chrono::ceil. 3) Add PW_SYSTEM_CLOCK_{MS,S,MIN,H}_FLOOR to permit C API users to create durations which round down to the nearest tick for oddball corner cases, mirroring std::chrono::floor. 4) In order to enable said macros, the system_clock_config.h backend config was changed to require the clock period as a preprocessor defines instead of a std::ratio<>. 5) Renames pw_chrono_SystemClock_TimeDelta to pw_chrono_SystemClock_TimeElapsed to make the argument ordering make more sense. 6) Changes existing std::chrono::duration_cast usage to std::chrono::ceil and std::chrono:floor to set a good example to be explicit on rounding. 7) Renames pw_chrono_SystemClock_TickCountsToNsTruncate accordingly to pw_chrono_SystemClock_DurationToNsFloor. Requires: pigweed-internal:9340 Change-Id: Ia628dceac53f964eda7c4aacd3d790b8b0e92207 Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/31280 Commit-Queue: Ewout van Bekkum <ewout@google.com> Reviewed-by: Wyatt Hepler <hepler@google.com>
28 lines
1005 B
C
28 lines
1005 B
C
// Copyright 2020 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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// These tests call the pw_thread module sleep API from C. The return values are
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// checked in the main C++ tests.
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#include "pw_thread/sleep.h"
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void pw_this_thread_CallSleepFor(pw_chrono_SystemClock_Duration for_at_least) {
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pw_this_thread_SleepFor(for_at_least);
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}
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void pw_this_thread_CallSleepUntil(
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pw_chrono_SystemClock_TimePoint until_at_least) {
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pw_this_thread_SleepUntil(until_at_least);
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}
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