private/layout_private.h

   1 /*
   2  * Copyright (c) 2014 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_APACHE_LICENSE_HEADER_START@
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  * @APPLE_APACHE_LICENSE_HEADER_END@
  19  */
  20
  21 #ifndef __DISPATCH_LAYOUT_PRIVATE__
  22 #define __DISPATCH_LAYOUT_PRIVATE__
  23
  24 #ifndef __DISPATCH_INDIRECT__
  25 #error "Please #include <dispatch/private.h> instead of this file directly."
  26 #include <dispatch/base.h> // for HeaderDoc
  27 #endif
  28
  29 __BEGIN_DECLS
  30
  31 #if !TARGET_OS_WIN32
  32 __OSX_AVAILABLE_STARTING(__MAC_10_6,__IPHONE_4_0)
  33 DISPATCH_EXPORT const struct dispatch_queue_offsets_s {
  34         // always add new fields at the end
  35         const uint16_t dqo_version;
  36         const uint16_t dqo_label;
  37         const uint16_t dqo_label_size;
  38         const uint16_t dqo_flags;
  39         const uint16_t dqo_flags_size;
  40         const uint16_t dqo_serialnum;
  41         const uint16_t dqo_serialnum_size;
  42         const uint16_t dqo_width;
  43         const uint16_t dqo_width_size;
  44         const uint16_t dqo_running;
  45         const uint16_t dqo_running_size;
  46         // fields added in dqo_version 5:
  47         const uint16_t dqo_suspend_cnt;
  48         const uint16_t dqo_suspend_cnt_size;
  49         const uint16_t dqo_target_queue;
  50         const uint16_t dqo_target_queue_size;
  51         const uint16_t dqo_priority;
  52         const uint16_t dqo_priority_size;
  53 } dispatch_queue_offsets;
  54 #endif
  55
  56 #if DISPATCH_LAYOUT_SPI
  57
  58 /*!
  59  * @group Data Structure Layout SPI
  60  * SPI intended for CoreSymbolication only
  61  */
  62
  63 __OSX_AVAILABLE_STARTING(__MAC_10_10,__IPHONE_8_0)
  64 DISPATCH_EXPORT const struct dispatch_tsd_indexes_s {
  65         // always add new fields at the end
  66         const uint16_t dti_version;
  67         const uint16_t dti_queue_index;
  68         const uint16_t dti_voucher_index;
  69         const uint16_t dti_qos_class_index;
  70 } dispatch_tsd_indexes;
  71
  72 #endif // DISPATCH_LAYOUT_SPI
  73
  74 __END_DECLS
  75
  76 #endif // __DISPATCH_LAYOUT_PRIVATE__