--- /dev/null
+++ Libc/Libc-583/sys/OSThermalNotification.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2007 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#include <libkern/OSThermalNotification.h>
+#include <notify.h>
+
+const char *kOSThermalNotificationName = "com.apple.system.thermalstatus";
+
+OSThermalNotificationLevel OSThermalNotificationCurrentLevel(void)
+{
+	uint64_t val;
+	int token;
+
+	if (NOTIFY_STATUS_OK != notify_register_check(kOSThermalNotificationName, &token))
+		return OSThermalNotificationLevelAny;
+
+	if (NOTIFY_STATUS_OK != notify_get_state(token, &val))
+		return OSThermalNotificationLevelAny;
+
+	if (NOTIFY_STATUS_OK != notify_cancel(token))
+		return OSThermalNotificationLevelAny;
+
+	return (OSThermalNotificationLevel)val;
+}