55 lines
1.8 KiB
C++
55 lines
1.8 KiB
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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#include "pw_sync/counting_semaphore.h"
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using pw::chrono::SystemClock;
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extern "C" void pw_sync_CountingSemaphore_Release(
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pw_sync_CountingSemaphore* semaphore) {
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semaphore->release();
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}
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extern "C" void pw_sync_CountingSemaphore_ReleaseNum(
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pw_sync_CountingSemaphore* semaphore, ptrdiff_t update) {
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semaphore->release(update);
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}
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extern "C" void pw_sync_CountingSemaphore_Acquire(
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pw_sync_CountingSemaphore* semaphore) {
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semaphore->acquire();
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}
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extern "C" bool pw_sync_CountingSemaphore_TryAcquire(
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pw_sync_CountingSemaphore* semaphore) {
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return semaphore->try_acquire();
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}
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extern "C" bool pw_sync_CountingSemaphore_TryAcquireFor(
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pw_sync_CountingSemaphore* semaphore,
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pw_chrono_SystemClock_Duration timeout) {
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return semaphore->try_acquire_for(SystemClock::duration(timeout.ticks));
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}
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extern "C" bool pw_sync_CountingSemaphore_TryAcquireUntil(
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pw_sync_CountingSemaphore* semaphore,
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pw_chrono_SystemClock_TimePoint deadline) {
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return semaphore->try_acquire_until(SystemClock::time_point(
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SystemClock::duration(deadline.duration_since_epoch.ticks)));
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}
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extern "C" ptrdiff_t pw_sync_CountingSemaphore_Max(void) {
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return pw::sync::CountingSemaphore::max();
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}
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