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// Copyright 2020 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_sync/counting_semaphore.h"
using pw::chrono::SystemClock;
extern "C" void pw_sync_CountingSemaphore_Release(
pw_sync_CountingSemaphore* semaphore) {
semaphore->release();
}
extern "C" void pw_sync_CountingSemaphore_ReleaseNum(
pw_sync_CountingSemaphore* semaphore, ptrdiff_t update) {
semaphore->release(update);
}
extern "C" void pw_sync_CountingSemaphore_Acquire(
pw_sync_CountingSemaphore* semaphore) {
semaphore->acquire();
}
extern "C" bool pw_sync_CountingSemaphore_TryAcquire(
pw_sync_CountingSemaphore* semaphore) {
return semaphore->try_acquire();
}
extern "C" bool pw_sync_CountingSemaphore_TryAcquireFor(
pw_sync_CountingSemaphore* semaphore,
pw_chrono_SystemClock_Duration for_at_least) {
return semaphore->try_acquire_for(SystemClock::duration(for_at_least.ticks));
}
extern "C" bool pw_sync_CountingSemaphore_TryAcquireUntil(
pw_sync_CountingSemaphore* semaphore,
pw_chrono_SystemClock_TimePoint until_at_least) {
return semaphore->try_acquire_until(SystemClock::time_point(
SystemClock::duration(until_at_least.duration_since_epoch.ticks)));
}
extern "C" ptrdiff_t pw_sync_CountingSemaphore_Max(void) {
return pw::sync::CountingSemaphore::max();
}