Add Notifier HALSIM access

hal/src/main/native/include/mockdata/NotifierData.h

@@ -0,0 +1,38 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2019 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 "hal/Types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct HALSIM_NotifierInfo {
+  HAL_NotifierHandle handle;
+  char name[64];
+  uint64_t timeout;
+  HAL_Bool running;
+};
+
+uint64_t HALSIM_GetNextNotifierTimeout(void);
+
+int32_t HALSIM_GetNumNotifiers(void);
+
+/**
+ * Gets detailed information about each notifier.
+ *
+ * @param arr array of information to be filled
+ * @param size size of arr
+ * @return Number of notifiers; note: may be larger than passed-in size
+ */
+int32_t HALSIM_GetNotifierInfo(struct HALSIM_NotifierInfo* arr, int32_t size);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif