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Cider Isn't Darwin Emulation, Really
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122/* * Copyright (c) 2006 Apple Computer, 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@ */
#ifndef _OSMEMORYNOTIFICATION_H_#define _OSMEMORYNOTIFICATION_H_
#include <sys/cdefs.h>#include <Availability.h>
/*** OSMemoryNotification.h** ** Kernel-generated notification mechanism to alert registered tasks when physical memory** pressure reaches certain thresholds. Notifications are triggered in both directions** so clients can manage their memory usage more and less aggressively.**** All of these functions and data types are iOS-only and deprecated in iOS 5.0. Applications** should listen to UIKit memory warnings (didReceiveMemoryWarning or** UIApplicationDidReceiveMemoryWarningNotification) instead.*/
__BEGIN_DECLS
struct timeval;
/*** Opaque type for notification object**** DEPRECATED. Use UIKit memory notification system.*/ typedef struct _OSMemoryNotification * OSMemoryNotificationRef;
/*** Threshold values for notifications**** DEPRECATED. Use UIKit memory notification system.*/ typedef enum { OSMemoryNotificationLevelAny = -1, OSMemoryNotificationLevelNormal = 0, OSMemoryNotificationLevelWarning = 1, OSMemoryNotificationLevelUrgent = 2, OSMemoryNotificationLevelCritical = 3} OSMemoryNotificationLevel;
/*** Creation routines. Returns the created OSMemoryNotificationRef in the note param.** returns: 0 on success** ENOMEM if insufficient memory or resources exists to create the notification object** EINVAL if the threshold is not a valid notification level**** DEPRECATED. Use UIKit memory notification system.*/
int OSMemoryNotificationCreate(OSMemoryNotificationRef *note) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_NA, __MAC_NA, __IPHONE_2_0, __IPHONE_5_0);
/*** returns: 0 on success** EINVAL if the notification is not an initialized notification object ** ** DEPRECATED. Use UIKit memory notification system.*/
int OSMemoryNotificationDestroy(OSMemoryNotificationRef note) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_NA, __MAC_NA, __IPHONE_2_0, __IPHONE_5_0);
/*** Block waiting for notification** returns: 0 on success, with the level that triggered the notification in the level param** EINVAL if the notification object is invalid** ETIMEDOUT if abstime passes before notification occurs**** 'note' is now ignored.**** DEPRECATED. Use UIKit memory notification system.*/int OSMemoryNotificationWait(OSMemoryNotificationRef note, OSMemoryNotificationLevel *level) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_NA, __MAC_NA, __IPHONE_2_0, __IPHONE_5_0);int OSMemoryNotificationTimedWait(OSMemoryNotificationRef note, OSMemoryNotificationLevel *level, const struct timeval *abstime) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_NA, __MAC_NA, __IPHONE_2_0, __IPHONE_5_0);
/*** Simple polling interface to detect current memory pressure level**** DEPRECATED. This is not a reliable way to discover the system's memory condition and** the level is not meaningful in iOS 5.0 and later. Use UIKit memory notification** system instead, with no need to check the level.*/
OSMemoryNotificationLevel OSMemoryNotificationCurrentLevel(void) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_NA, __MAC_NA, __IPHONE_2_0, __IPHONE_5_0);
/*** External notify(3) string for manual notification setup**** DEPRECATED. Use UIKit memory notification system.*/
extern const char *kOSMemoryNotificationName __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_NA, __MAC_NA, __IPHONE_2_0, __IPHONE_5_0);
__END_DECLS
#endif /* _OSMEMORYNOTIFICATION_H_ */