--- Libc/Libc-1725.40.4/sys/OSThermalNotification.c
+++ Libc/Libc-583/sys/OSThermalNotification.c
@@ -22,103 +22,23 @@
  */
 
 #include <libkern/OSThermalNotification.h>
-
-#include <TargetConditionals.h>
-
-#define OSThermalPressureLevelName		"com.apple.system.thermalpressurelevel"
-const char * const kOSThermalNotificationPressureLevelName = OSThermalPressureLevelName;
-
-#if TARGET_OS_IPHONE
-
-#include <dispatch/dispatch.h>
 #include <notify.h>
 
-#define OSThermalAlert      "com.apple.system.thermalalert"
-#define OSThermalDecision   "com.apple.system.thermaldecision"
-#define OSThermalStatusName "com.apple.system.thermalstatus"
-
-const char * const kOSThermalNotificationAlert    = OSThermalAlert;
-const char * const kOSThermalNotificationDecision = OSThermalDecision;
-const char * const kOSThermalNotificationName     = OSThermalStatusName;
-
-static const char * const kOSThermalMitigationNames[kOSThermalMitigationCount] = {
-	OSThermalStatusName,
-	"com.apple.system.thermalmitigation.70percenttorch",
-	"com.apple.system.thermalmitigation.70percentbacklight",
-	"com.apple.system.thermalmitigation.50percenttorch",
-	"com.apple.system.thermalmitigation.50percentbacklight",
-	"com.apple.system.thermalmitigation.disabletorch",
-	"com.apple.system.thermalmitigation.25percentbacklight",
-	"com.apple.system.thermalmitigation.disablemapshalo",
-	"com.apple.system.thermalmitigation.appterminate",
-	"com.apple.system.thermalmitigation.devicerestart",
-	"com.apple.system.thermalmitigation.thermaltableready"
-};
-
-static int tokens[kOSThermalMitigationCount];
-static dispatch_once_t predicates[kOSThermalMitigationCount];
-static bool thermalLevelsReady = false;
-
-OSThermalNotificationLevel _OSThermalNotificationLevelForBehavior(int behavior)
-{
-	uint64_t val = OSThermalNotificationLevelAny;
-	if (behavior >= 0 && behavior < kOSThermalMitigationCount) {
-		dispatch_once(&predicates[behavior], ^{
-			(void)notify_register_check(kOSThermalMitigationNames[behavior], &tokens[behavior]);
-		});
-		(void)notify_get_state(tokens[behavior], &val);
-	}
-	return (OSThermalNotificationLevel)val;
-}
-
-void _OSThermalNotificationSetLevelForBehavior(int level, int behavior)
-{
-	uint64_t val = (uint64_t)level;
-	if (behavior >= 0 && behavior < kOSThermalMitigationCount) {
-		dispatch_once(&predicates[behavior], ^{
-			(void)notify_register_check(kOSThermalMitigationNames[behavior], &tokens[behavior]);
-		});
-		(void)notify_set_state(tokens[behavior], val);
-
-		// Note:  
-		// - We are ready when we program in the appterminate value. 
-		// - Assumes that user programs kOSThermalMitigationNone level less than 
-		//   kOSThermalMitigationAppTerminate & kOSThermalMitigationDeviceRestart  
-		if (behavior == kOSThermalMitigationAppTerminate) {
-			dispatch_once(&predicates[kOSThermalMitigationThermalTableReady], ^{
-				(void)notify_register_check(kOSThermalMitigationNames[kOSThermalMitigationThermalTableReady], &tokens[kOSThermalMitigationThermalTableReady]);
-			});
-			(void)notify_set_state(tokens[kOSThermalMitigationThermalTableReady], kOSThermalMitigationCount);
-		}
-	}
-}
-
+const char *kOSThermalNotificationName = "com.apple.system.thermalstatus";
 
 OSThermalNotificationLevel OSThermalNotificationCurrentLevel(void)
 {
-	if (thermalLevelsReady) {
-		return _OSThermalNotificationLevelForBehavior(kOSThermalMitigationNone);
-	}
+	uint64_t val;
+	int token;
 
-	uint64_t tableReady = 0;
+	if (NOTIFY_STATUS_OK != notify_register_check(kOSThermalNotificationName, &token))
+		return OSThermalNotificationLevelAny;
 
-	dispatch_once(&predicates[kOSThermalMitigationThermalTableReady], ^{
-		(void)notify_register_check(kOSThermalMitigationNames[kOSThermalMitigationThermalTableReady], &tokens[kOSThermalMitigationThermalTableReady]);
-	});
-	(void)notify_get_state(tokens[kOSThermalMitigationThermalTableReady], &tableReady);
+	if (NOTIFY_STATUS_OK != notify_get_state(token, &val))
+		return OSThermalNotificationLevelAny;
 
-	// If we are ready then optimize this so we don't call dispatch everytime.
-	if (tableReady == kOSThermalMitigationCount) {
-		thermalLevelsReady = true;
-		return _OSThermalNotificationLevelForBehavior(kOSThermalMitigationNone); 
-	}
-	else {
-		// Allow reset so we can dynamically change the table without thermal trap screen appearing. 
-		thermalLevelsReady = false;
-	}
+	if (NOTIFY_STATUS_OK != notify_cancel(token))
+		return OSThermalNotificationLevelAny;
 
-	// Not ready returns -1, which should not be equal or greater than any other thermal state. 
-	return OSThermalNotificationLevelAny;
+	return (OSThermalNotificationLevel)val;
 }
-
-#endif // TARGET_OS_IPHONE