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1.1 ! root 1: /* ! 2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. ! 3: * ! 4: * @APPLE_LICENSE_HEADER_START@ ! 5: * ! 6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights ! 7: * Reserved. This file contains Original Code and/or Modifications of ! 8: * Original Code as defined in and that are subject to the Apple Public ! 9: * Source License Version 1.1 (the "License"). You may not use this file ! 10: * except in compliance with the License. Please obtain a copy of the ! 11: * License at http://www.apple.com/publicsource and read it before using ! 12: * this file. ! 13: * ! 14: * The Original Code and all software distributed under the License are ! 15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER ! 16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, ! 17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, ! 18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the ! 19: * License for the specific language governing rights and limitations ! 20: * under the License. ! 21: * ! 22: * @APPLE_LICENSE_HEADER_END@ ! 23: */ ! 24: ! 25: /* ! 26: * Copyright (c) 1993, 1994 NeXT Computer, Inc. ! 27: * ! 28: * Private declarations for Kernel Device Object. ! 29: * ! 30: * HISTORY ! 31: * ! 32: * 27 Feb 1994 ? at NeXT ! 33: * Major rewrite. ! 34: * 3 Oct 1993 ? at NeXT ! 35: * Created. ! 36: */ ! 37: ! 38: #ifdef KERNEL_PRIVATE ! 39: ! 40: #import <mach/mach_types.h> ! 41: #import <ipc/ipc_kmsg.h> ! 42: #import <kern/thread_call_private.h> ! 43: ! 44: #import <objc/objc.h> ! 45: ! 46: @interface KernDevice(Private) ! 47: ! 48: - (void)_detachInterruptSources; ! 49: ! 50: @end ! 51: ! 52: typedef struct KernDeviceInterrupt_ { ! 53: @defs(KernDeviceInterrupt) ! 54: } KernDeviceInterrupt_; ! 55: ! 56: /* ! 57: * Information used to send an ipc ! 58: * message from interrupt context. ! 59: * Besides one static reference, we ! 60: * hold an extra reference to the ! 61: * interrupt port. This obviates ! 62: * the need to aquire a reference ! 63: * at interrupt time for the in ! 64: * transit message. ! 65: */ ! 66: ! 67: typedef struct _KernDeviceInterruptMsg { ! 68: struct ipc_kmsg kmsg; ! 69: ipc_port_t iport; ! 70: id lock; ! 71: struct _thread_call callout; ! 72: BOOL queued :1, /* on message queue */ ! 73: pending :1, /* callout pending */ ! 74: destroy :1, /* destroy on release */ ! 75: :0; ! 76: } KernDeviceInterruptMsg; ! 77: ! 78: void ! 79: KernDeviceInterruptMsgRelease( ! 80: void *msg ! 81: ); ! 82: ! 83: static ! 84: KernDeviceInterruptMsg * ! 85: _KernDeviceInterruptMsgCreate( ! 86: ipc_port_t interruptPort ! 87: ); ! 88: static ! 89: void ! 90: _KernDeviceInterruptMsgDestroy( ! 91: KernDeviceInterruptMsg *interruptMsg ! 92: ); ! 93: ! 94: static ! 95: void ! 96: _KernDeviceInterruptCallout( ! 97: KernDeviceInterruptMsg *interruptMsg ! 98: ); ! 99: ! 100: #endif
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