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