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102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
/*
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* Copyright (c) 2014 Apple Inc. All rights reserved.
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*
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* @APPLE_APACHE_LICENSE_HEADER_START@
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @APPLE_APACHE_LICENSE_HEADER_END@
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*/
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#ifndef __DISPATCH_LAYOUT_PRIVATE__
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#define __DISPATCH_LAYOUT_PRIVATE__
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#ifndef __DISPATCH_INDIRECT__
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#error "Please #include <dispatch/private.h> instead of this file directly."
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#include <dispatch/base.h> // for HeaderDoc
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#endif
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__BEGIN_DECLS
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API_AVAILABLE(macos(10.6), ios(4.0))
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DISPATCH_EXPORT const struct dispatch_queue_offsets_s {
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// always add new fields at the end
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const uint16_t dqo_version;
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const uint16_t dqo_label;
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const uint16_t dqo_label_size;
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const uint16_t dqo_flags;
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const uint16_t dqo_flags_size;
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const uint16_t dqo_serialnum;
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const uint16_t dqo_serialnum_size;
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const uint16_t dqo_width;
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const uint16_t dqo_width_size;
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const uint16_t dqo_running;
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const uint16_t dqo_running_size;
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// fields added in dqo_version 5:
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const uint16_t dqo_suspend_cnt;
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const uint16_t dqo_suspend_cnt_size;
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const uint16_t dqo_target_queue;
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const uint16_t dqo_target_queue_size;
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const uint16_t dqo_priority;
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const uint16_t dqo_priority_size;
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} dispatch_queue_offsets;
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#if DISPATCH_LAYOUT_SPI
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/*!
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* @group Data Structure Layout SPI
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* SPI intended for CoreSymbolication only
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*/
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API_AVAILABLE(macos(10.10), ios(8.0))
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DISPATCH_EXPORT const struct dispatch_tsd_indexes_s {
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// always add new fields at the end
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const uint16_t dti_version;
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const uint16_t dti_queue_index;
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const uint16_t dti_voucher_index;
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const uint16_t dti_qos_class_index;
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/* version 3 */
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const uint16_t dti_continuation_cache_index;
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} dispatch_tsd_indexes;
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#if TARGET_OS_MAC
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#include <malloc/malloc.h>
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API_AVAILABLE(macos(10.14), ios(12.0), tvos(12.0), watchos(5.0))
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DISPATCH_EXPORT const struct dispatch_allocator_layout_s {
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const uint16_t dal_version;
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/* version 1 */
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/* Pointer to the allocator metadata address, points to NULL if unused */
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void **const dal_allocator_zone;
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/* Magical "isa" for allocations that are on freelists */
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void *const *const dal_deferred_free_isa;
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/* Size of allocations made in the magazine */
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const uint16_t dal_allocation_size;
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/* fields used by the enumerator */
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const uint16_t dal_magazine_size;
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const uint16_t dal_first_allocation_offset;
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const uint16_t dal_allocation_isa_offset;
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/* Enumerates allocated continuations */
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kern_return_t (*dal_enumerator)(task_t remote_task,
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const struct dispatch_allocator_layout_s *remote_allocator_layout,
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vm_address_t zone_address, memory_reader_t reader,
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void (^recorder)(vm_address_t dc_address, void *dc_mem,
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size_t size, bool *stop));
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} dispatch_allocator_layout;
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#endif // TARGET_OS_MAC
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#endif // DISPATCH_LAYOUT_SPI
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__END_DECLS
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#endif // __DISPATCH_LAYOUT_PRIVATE__
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