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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | /* * Copyright (c) 2019 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_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. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * 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_OSREFERENCE_LICENSE_HEADER_END@ */ #include <mach/boolean.h> #include <mach/message.h> #include <mach/kern_return.h> #include <mach/mach_traps.h> #include <mach/mach_types.h> #include <mach/clock_types.h> #include <mach/mach_eventlink_types.h> /* * __mach_eventlink* calls are bsd syscalls instead of mach traps because * they need to return a 64 bit value in register and mach traps currently * does not allow 64 bit return values. */ uint64_t __mach_eventlink_signal( mach_port_t eventlink_port, uint64_t signal_count); uint64_t __mach_eventlink_wait_until( mach_port_t eventlink_port, uint64_t wait_signal_count, uint64_t deadline, kern_clock_id_t clock_id, mach_eventlink_signal_wait_option_t option); uint64_t __mach_eventlink_signal_wait_until( mach_port_t eventlink_port, uint64_t wait_count, uint64_t signal_count, uint64_t deadline, kern_clock_id_t clock_id, mach_eventlink_signal_wait_option_t option); kern_return_t mach_eventlink_signal( mach_port_t eventlink_port, uint64_t signal_count) { uint64_t retval = __mach_eventlink_signal(eventlink_port, signal_count); return decode_eventlink_error_from_retval(retval); } kern_return_t mach_eventlink_wait_until( mach_port_t eventlink_port, uint64_t *wait_count_ptr, mach_eventlink_signal_wait_option_t option, kern_clock_id_t clock_id, uint64_t deadline) { uint64_t retval; retval = __mach_eventlink_wait_until(eventlink_port, *wait_count_ptr, deadline, clock_id, option); *wait_count_ptr = decode_eventlink_count_from_retval(retval); return decode_eventlink_error_from_retval(retval); } kern_return_t mach_eventlink_signal_wait_until( mach_port_t eventlink_port, uint64_t *wait_count_ptr, uint64_t signal_count, mach_eventlink_signal_wait_option_t option, kern_clock_id_t clock_id, uint64_t deadline) { uint64_t retval; retval = __mach_eventlink_signal_wait_until(eventlink_port, *wait_count_ptr, signal_count, deadline, clock_id, option); *wait_count_ptr = decode_eventlink_count_from_retval(retval); return decode_eventlink_error_from_retval(retval); } |