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Removes the semaphore class (#529)

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Its been deprecated, and its going to interfere with fixing #459
This commit is contained in:
Thad House
2017-05-08 19:42:28 -07:00
committed by Peter Johnson
parent dc9f85ebb9
commit cd0ece4511
2 changed files with 0 additions and 73 deletions
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32
hal/lib/athena/cpp/Semaphore.cpp
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@@ -1,32 +0,0 @@
/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2015-2017. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#include "HAL/cpp/Semaphore.h"
Semaphore::Semaphore(int32_t count) { m_count = count; }
void Semaphore::give() {
std::lock_guard<priority_mutex> lock(m_mutex);
++m_count;
m_condition.notify_one();
}
void Semaphore::take() {
std::unique_lock<priority_mutex> lock(m_mutex);
m_condition.wait(lock, [this] { return m_count; });
--m_count;
}
bool Semaphore::tryTake() {
std::lock_guard<priority_mutex> lock(m_mutex);
if (m_count) {
--m_count;
return true;
} else {
return false;
}
}