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https://github.com/wpilibsuite/allwpilib
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56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2016. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#include "HAL/Semaphore.h"
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#include "Log.h"
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// set the logging level
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TLogLevel semaphoreLogLevel = logDEBUG;
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#define SEMAPHORE_LOG(level) \
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if (level > semaphoreLogLevel) \
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; \
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else \
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Log().Get(level)
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extern "C" {
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MUTEX_ID initializeMutexNormal() { return new priority_mutex; }
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void deleteMutex(MUTEX_ID sem) { delete sem; }
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/**
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* Lock the mutex, blocking until it's available.
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*/
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void takeMutex(MUTEX_ID mutex) { mutex->lock(); }
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/**
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* Attempt to lock the mutex.
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* @return true if succeeded in locking the mutex, false otherwise.
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*/
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bool tryTakeMutex(MUTEX_ID mutex) { return mutex->try_lock(); }
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/**
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* Unlock the mutex.
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* @return 0 for success, -1 for error. If -1, the error will be in errno.
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*/
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void giveMutex(MUTEX_ID mutex) { mutex->unlock(); }
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MULTIWAIT_ID initializeMultiWait() { return new priority_condition_variable; }
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void deleteMultiWait(MULTIWAIT_ID cond) { delete cond; }
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void takeMultiWait(MULTIWAIT_ID cond, MUTEX_ID m) {
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std::unique_lock<priority_mutex> lock(*m);
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cond->wait(lock);
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}
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void giveMultiWait(MULTIWAIT_ID cond) { cond->notify_all(); }
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} // extern "C"
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