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
74