Squashed 'third_party/allwpilib_2019/' content from commit bd05dfa1c

Change-Id: I2b1c2250cdb9b055133780c33593292098c375b7
git-subtree-dir: third_party/allwpilib_2019
git-subtree-split: bd05dfa1c7cca74c4fac451e7b9d6a37e7b53447
diff --git a/hal/src/main/native/athena/HALInitializer.h b/hal/src/main/native/athena/HALInitializer.h
new file mode 100644
index 0000000..384fe58
--- /dev/null
+++ b/hal/src/main/native/athena/HALInitializer.h
@@ -0,0 +1,53 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2017-2018 FIRST. 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#pragma once
+
+#include <atomic>
+
+namespace hal {
+namespace init {
+extern std::atomic_bool HAL_IsInitialized;
+extern void RunInitialize();
+static inline void CheckInit() {
+  if (HAL_IsInitialized.load(std::memory_order_relaxed)) return;
+  RunInitialize();
+}
+
+extern void InitializeAccelerometer();
+extern void InitializeAnalogAccumulator();
+extern void InitializeAnalogGyro();
+extern void InitializeAnalogInput();
+extern void InitializeAnalogInternal();
+extern void InitializeAnalogOutput();
+extern void InitializeAnalogTrigger();
+extern void InitializeCAN();
+extern void InitializeCANAPI();
+extern void InitializeCompressor();
+extern void InitializeConstants();
+extern void InitializeCounter();
+extern void InitializeDigitalInternal();
+extern void InitializeDIO();
+extern void InitializeEncoder();
+extern void InitializeFPGAEncoder();
+extern void InitializeFRCDriverStation();
+extern void InitializeHAL();
+extern void InitializeI2C();
+extern void InitialzeInterrupts();
+extern void InitializeNotifier();
+extern void InitializePCMInternal();
+extern void InitializePDP();
+extern void InitializePorts();
+extern void InitializePower();
+extern void InitializePWM();
+extern void InitializeRelay();
+extern void InitializeSerialPort();
+extern void InitializeSolenoid();
+extern void InitializeSPI();
+extern void InitializeThreads();
+}  // namespace init
+}  // namespace hal