From b369f340924b1ef1fa4f11fa31055d9e22c080b0 Mon Sep 17 00:00:00 2001
From: Henrik Stickann <4376396-Mithradir@users.noreply.gitlab.com>
Date: Sun, 10 Apr 2022 15:24:03 +0200
Subject: [PATCH] Add signal interface

---
 include/sta/signal.hpp | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 include/sta/signal.hpp

diff --git a/include/sta/signal.hpp b/include/sta/signal.hpp
new file mode 100644
index 0000000..e32a204
--- /dev/null
+++ b/include/sta/signal.hpp
@@ -0,0 +1,37 @@
+#ifndef STA_SIGNAL_HPP
+#define STA_SIGNAL_HPP
+
+
+namespace sta
+{
+	/**
+	 * @brief Signal interface
+	 */
+	class Signal
+	{
+	public:
+		/**
+		 * @brief Enter signaled state.
+		 */
+		virtual void notify() = 0;
+		/**
+		 * @brief Check signal state w/o changing it.
+		 *
+		 * @return True if in signaled state
+		 */
+		virtual bool peek() = 0;
+		/**
+		 * @brief Check signal state.
+		 *
+		 * @return True if in signaled state
+		 */
+		virtual bool test() = 0;
+		/**
+		 * @brief Wait until signaled state is entered.
+		 */
+		virtual void wait() = 0;
+	};
+} // namespace sta
+
+
+#endif // STA_SIGNAL_HPP