1*27b03b36SApple OSS Distributions /* 2*27b03b36SApple OSS Distributions * Copyright (c) 2015 Apple Inc. All rights reserved. 3*27b03b36SApple OSS Distributions * 4*27b03b36SApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*27b03b36SApple OSS Distributions * 6*27b03b36SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*27b03b36SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*27b03b36SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*27b03b36SApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*27b03b36SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*27b03b36SApple OSS Distributions * file. 12*27b03b36SApple OSS Distributions * 13*27b03b36SApple OSS Distributions * The Original Code and all software distributed under the License are 14*27b03b36SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*27b03b36SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*27b03b36SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*27b03b36SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*27b03b36SApple OSS Distributions * Please see the License for the specific language governing rights and 19*27b03b36SApple OSS Distributions * limitations under the License. 20*27b03b36SApple OSS Distributions * 21*27b03b36SApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*27b03b36SApple OSS Distributions */ 23*27b03b36SApple OSS Distributions 24*27b03b36SApple OSS Distributions #ifndef __firehose_h 25*27b03b36SApple OSS Distributions #define __firehose_h 26*27b03b36SApple OSS Distributions 27*27b03b36SApple OSS Distributions __BEGIN_DECLS 28*27b03b36SApple OSS Distributions 29*27b03b36SApple OSS Distributions /*! 30*27b03b36SApple OSS Distributions * @function __firehose_buffer_push_to_logd 31*27b03b36SApple OSS Distributions * 32*27b03b36SApple OSS Distributions * @abstract 33*27b03b36SApple OSS Distributions * Called by the dispatch firehose apis to notify logd that a chunk is available 34*27b03b36SApple OSS Distributions */ 35*27b03b36SApple OSS Distributions __WATCHOS_AVAILABLE(3.0) __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) 36*27b03b36SApple OSS Distributions void __firehose_buffer_push_to_logd(firehose_buffer_t fb, bool for_io); 37*27b03b36SApple OSS Distributions 38*27b03b36SApple OSS Distributions /*! 39*27b03b36SApple OSS Distributions * @function __firehose_allocate 40*27b03b36SApple OSS Distributions * 41*27b03b36SApple OSS Distributions * @abstract 42*27b03b36SApple OSS Distributions * Wrapper to allocate kernel memory 43*27b03b36SApple OSS Distributions */ 44*27b03b36SApple OSS Distributions __WATCHOS_AVAILABLE(3.0) __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) 45*27b03b36SApple OSS Distributions void __firehose_allocate(vm_offset_t *addr, vm_size_t size); 46*27b03b36SApple OSS Distributions 47*27b03b36SApple OSS Distributions /*! 48*27b03b36SApple OSS Distributions * @function __firehose_critical_region_enter 49*27b03b36SApple OSS Distributions * 50*27b03b36SApple OSS Distributions * @abstract 51*27b03b36SApple OSS Distributions * Function that disables preemption 52*27b03b36SApple OSS Distributions */ 53*27b03b36SApple OSS Distributions __WATCHOS_AVAILABLE(3.0) __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) 54*27b03b36SApple OSS Distributions extern void __firehose_critical_region_enter(void); 55*27b03b36SApple OSS Distributions 56*27b03b36SApple OSS Distributions /*! 57*27b03b36SApple OSS Distributions * @function __firehose_critical_region_leave 58*27b03b36SApple OSS Distributions * 59*27b03b36SApple OSS Distributions * @abstract 60*27b03b36SApple OSS Distributions * Function that enables preemption 61*27b03b36SApple OSS Distributions */ 62*27b03b36SApple OSS Distributions __WATCHOS_AVAILABLE(3.0) __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) 63*27b03b36SApple OSS Distributions extern void __firehose_critical_region_leave(void); 64*27b03b36SApple OSS Distributions 65*27b03b36SApple OSS Distributions extern void oslogwakeup(void); 66*27b03b36SApple OSS Distributions 67*27b03b36SApple OSS Distributions __END_DECLS 68*27b03b36SApple OSS Distributions 69*27b03b36SApple OSS Distributions #endif /* __firehose_h */ 70