libsanitizer/tsan/tsan_dispatch_defs.h

   1 //===-- tsan_dispatch_defs.h ------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of ThreadSanitizer (TSan), a race detector.
  10 //
  11 //===----------------------------------------------------------------------===//
  12 #ifndef TSAN_DISPATCH_DEFS_H
  13 #define TSAN_DISPATCH_DEFS_H
  14
  15 #include "sanitizer_common/sanitizer_internal_defs.h"
  16
  17 typedef struct dispatch_object_s {} *dispatch_object_t;
  18
  19 #define DISPATCH_DECL(name) \
  20   typedef struct name##_s : public dispatch_object_s {} *name##_t
  21
  22 DISPATCH_DECL(dispatch_queue);
  23 DISPATCH_DECL(dispatch_source);
  24 DISPATCH_DECL(dispatch_group);
  25 DISPATCH_DECL(dispatch_data);
  26 DISPATCH_DECL(dispatch_semaphore);
  27 DISPATCH_DECL(dispatch_io);
  28
  29 typedef void (*dispatch_function_t)(void *arg);
  30 typedef void (^dispatch_block_t)(void);
  31 typedef void (^dispatch_io_handler_t)(bool done, dispatch_data_t data,
  32                                       int error);
  33
  34 typedef long dispatch_once_t;
  35 typedef __sanitizer::u64 dispatch_time_t;
  36 typedef int dispatch_fd_t;
  37 typedef unsigned long dispatch_io_type_t;
  38 typedef unsigned long dispatch_io_close_flags_t;
  39
  40 extern "C" {
  41 void *dispatch_get_context(dispatch_object_t object);
  42 void dispatch_retain(dispatch_object_t object);
  43 void dispatch_release(dispatch_object_t object);
  44
  45 extern const dispatch_block_t _dispatch_data_destructor_free;
  46 extern const dispatch_block_t _dispatch_data_destructor_munmap;
  47 } // extern "C"
  48
  49 #define DISPATCH_DATA_DESTRUCTOR_DEFAULT nullptr
  50 #define DISPATCH_DATA_DESTRUCTOR_FREE    _dispatch_data_destructor_free
  51 #define DISPATCH_DATA_DESTRUCTOR_MUNMAP  _dispatch_data_destructor_munmap
  52
  53 #if __has_attribute(noescape)
  54 # define DISPATCH_NOESCAPE __attribute__((__noescape__))
  55 #else
  56 # define DISPATCH_NOESCAPE
  57 #endif
  58
  59 #if SANITIZER_APPLE
  60 # define SANITIZER_WEAK_IMPORT extern "C" __attribute((weak_import))
  61 #else
  62 # define SANITIZER_WEAK_IMPORT extern "C" __attribute((weak))
  63 #endif
  64
  65
  66 // Data types used in dispatch APIs
  67 typedef unsigned long size_t;
  68 typedef unsigned long uintptr_t;
  69 typedef __sanitizer::s64 off_t;
  70 typedef __sanitizer::u16 mode_t;
  71 typedef long long_t;
  72
  73 #endif  // TSAN_DISPATCH_DEFS_H