1 //===-- tsan_interface.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 // The functions declared in this header will be inserted by the instrumentation
12 // module.
13 // This header can be included by the instrumented program or by TSan tests.
14 //===----------------------------------------------------------------------===//
15 #ifndef TSAN_INTERFACE_H
16 #define TSAN_INTERFACE_H
17 
18 #include <sanitizer_common/sanitizer_internal_defs.h>
19 using __sanitizer::uptr;
20 using __sanitizer::tid_t;
21 
22 // This header should NOT include any other headers.
23 // All functions in this header are extern "C" and start with __tsan_.
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
29 #if !SANITIZER_GO
30 
31 // This function should be called at the very beginning of the process,
32 // before any instrumented code is executed and before any call to malloc.
33 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_init();
34 
35 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_flush_memory();
36 
37 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read1(void *addr);
38 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read2(void *addr);
39 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read4(void *addr);
40 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read8(void *addr);
41 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read16(void *addr);
42 
43 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write1(void *addr);
44 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write2(void *addr);
45 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write4(void *addr);
46 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write8(void *addr);
47 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write16(void *addr);
48 
49 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read2(const void *addr);
50 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read4(const void *addr);
51 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read8(const void *addr);
52 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read16(const void *addr);
53 
54 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write2(void *addr);
55 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write4(void *addr);
56 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write8(void *addr);
57 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write16(void *addr);
58 
59 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read1_pc(void *addr, void *pc);
60 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read2_pc(void *addr, void *pc);
61 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read4_pc(void *addr, void *pc);
62 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read8_pc(void *addr, void *pc);
63 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read16_pc(void *addr, void *pc);
64 
65 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write1_pc(void *addr, void *pc);
66 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write2_pc(void *addr, void *pc);
67 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write4_pc(void *addr, void *pc);
68 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write8_pc(void *addr, void *pc);
69 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write16_pc(void *addr, void *pc);
70 
71 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_vptr_read(void **vptr_p);
72 SANITIZER_INTERFACE_ATTRIBUTE
73 void __tsan_vptr_update(void **vptr_p, void *new_val);
74 
75 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_func_entry(void *call_pc);
76 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_func_exit();
77 
78 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_ignore_thread_begin();
79 SANITIZER_INTERFACE_ATTRIBUTE void __tsan_ignore_thread_end();
80 
81 SANITIZER_INTERFACE_ATTRIBUTE
82 void *__tsan_external_register_tag(const char *object_type);
83 SANITIZER_INTERFACE_ATTRIBUTE
84 void __tsan_external_register_header(void *tag, const char *header);
85 SANITIZER_INTERFACE_ATTRIBUTE
86 void __tsan_external_assign_tag(void *addr, void *tag);
87 SANITIZER_INTERFACE_ATTRIBUTE
88 void __tsan_external_read(void *addr, void *caller_pc, void *tag);
89 SANITIZER_INTERFACE_ATTRIBUTE
90 void __tsan_external_write(void *addr, void *caller_pc, void *tag);
91 
92 SANITIZER_INTERFACE_ATTRIBUTE
93 void __tsan_read_range(void *addr, unsigned long size);
94 SANITIZER_INTERFACE_ATTRIBUTE
95 void __tsan_write_range(void *addr, unsigned long size);
96 
97 SANITIZER_INTERFACE_ATTRIBUTE
98 void __tsan_read_range_pc(void *addr, unsigned long size, void *pc);  // NOLINT
99 SANITIZER_INTERFACE_ATTRIBUTE
100 void __tsan_write_range_pc(void *addr, unsigned long size, void *pc);  // NOLINT
101 
102 // User may provide function that would be called right when TSan detects
103 // an error. The argument 'report' is an opaque pointer that can be used to
104 // gather additional information using other TSan report API functions.
105 SANITIZER_INTERFACE_ATTRIBUTE
106 void __tsan_on_report(void *report);
107 
108 // If TSan is currently reporting a detected issue on the current thread,
109 // returns an opaque pointer to the current report. Otherwise returns NULL.
110 SANITIZER_INTERFACE_ATTRIBUTE
111 void *__tsan_get_current_report();
112 
113 // Returns a report's description (issue type), number of duplicate issues
114 // found, counts of array data (stack traces, memory operations, locations,
115 // mutexes, threads, unique thread IDs) and a stack trace of a sleep() call (if
116 // one was involved in the issue).
117 SANITIZER_INTERFACE_ATTRIBUTE
118 int __tsan_get_report_data(void *report, const char **description, int *count,
119                            int *stack_count, int *mop_count, int *loc_count,
120                            int *mutex_count, int *thread_count,
121                            int *unique_tid_count, void **sleep_trace,
122                            uptr trace_size);
123 
124 /// Retrieves the "tag" from a report (for external-race report types). External
125 /// races can be associated with a tag which give them more meaning. For example
126 /// tag value '1' means "Swift access race". Tag value '0' indicated a plain
127 /// external race.
128 ///
129 /// \param report opaque pointer to the current report (obtained as argument in
130 ///               __tsan_on_report, or from __tsan_get_current_report)
131 /// \param [out] tag points to storage that will be filled with the tag value
132 ///
133 /// \returns non-zero value on success, zero on failure
134 SANITIZER_INTERFACE_ATTRIBUTE
135 int __tsan_get_report_tag(void *report, uptr *tag);
136 
137 // Returns information about stack traces included in the report.
138 SANITIZER_INTERFACE_ATTRIBUTE
139 int __tsan_get_report_stack(void *report, uptr idx, void **trace,
140                             uptr trace_size);
141 
142 // Returns information about memory operations included in the report.
143 SANITIZER_INTERFACE_ATTRIBUTE
144 int __tsan_get_report_mop(void *report, uptr idx, int *tid, void **addr,
145                           int *size, int *write, int *atomic, void **trace,
146                           uptr trace_size);
147 
148 // Returns information about locations included in the report.
149 SANITIZER_INTERFACE_ATTRIBUTE
150 int __tsan_get_report_loc(void *report, uptr idx, const char **type,
151                           void **addr, uptr *start, uptr *size, int *tid,
152                           int *fd, int *suppressable, void **trace,
153                           uptr trace_size);
154 
155 SANITIZER_INTERFACE_ATTRIBUTE
156 int __tsan_get_report_loc_object_type(void *report, uptr idx,
157                                       const char **object_type);
158 
159 // Returns information about mutexes included in the report.
160 SANITIZER_INTERFACE_ATTRIBUTE
161 int __tsan_get_report_mutex(void *report, uptr idx, uptr *mutex_id, void **addr,
162                             int *destroyed, void **trace, uptr trace_size);
163 
164 // Returns information about threads included in the report.
165 SANITIZER_INTERFACE_ATTRIBUTE
166 int __tsan_get_report_thread(void *report, uptr idx, int *tid, tid_t *os_id,
167                              int *running, const char **name, int *parent_tid,
168                              void **trace, uptr trace_size);
169 
170 // Returns information about unique thread IDs included in the report.
171 SANITIZER_INTERFACE_ATTRIBUTE
172 int __tsan_get_report_unique_tid(void *report, uptr idx, int *tid);
173 
174 // Returns the type of the pointer (heap, stack, global, ...) and if possible
175 // also the starting address (e.g. of a heap allocation) and size.
176 SANITIZER_INTERFACE_ATTRIBUTE
177 const char *__tsan_locate_address(uptr addr, char *name, uptr name_size,
178                                   uptr *region_address, uptr *region_size);
179 
180 // Returns the allocation stack for a heap pointer.
181 SANITIZER_INTERFACE_ATTRIBUTE
182 int __tsan_get_alloc_stack(uptr addr, uptr *trace, uptr size, int *thread_id,
183                            tid_t *os_id);
184 
185 #endif  // SANITIZER_GO
186 
187 #ifdef __cplusplus
188 }  // extern "C"
189 #endif
190 
191 namespace __tsan {
192 
193 // These should match declarations from public tsan_interface_atomic.h header.
194 typedef unsigned char      a8;
195 typedef unsigned short a16;
196 typedef unsigned int       a32;
197 typedef unsigned long long a64;
198 #if !SANITIZER_GO && (defined(__SIZEOF_INT128__) \
199     || (__clang_major__ * 100 + __clang_minor__ >= 302)) && \
200     !defined(__mips64) && !defined(__s390x__)
201 __extension__ typedef __int128 a128;
202 # define __TSAN_HAS_INT128 1
203 #else
204 # define __TSAN_HAS_INT128 0
205 #endif
206 
207 // Part of ABI, do not change.
208 // https://github.com/llvm/llvm-project/blob/main/libcxx/include/atomic
209 typedef enum {
210   mo_relaxed,
211   mo_consume,
212   mo_acquire,
213   mo_release,
214   mo_acq_rel,
215   mo_seq_cst
216 } morder;
217 
218 struct ThreadState;
219 
220 extern "C" {
221 SANITIZER_INTERFACE_ATTRIBUTE
222 a8 __tsan_atomic8_load(const volatile a8 *a, morder mo);
223 SANITIZER_INTERFACE_ATTRIBUTE
224 a16 __tsan_atomic16_load(const volatile a16 *a, morder mo);
225 SANITIZER_INTERFACE_ATTRIBUTE
226 a32 __tsan_atomic32_load(const volatile a32 *a, morder mo);
227 SANITIZER_INTERFACE_ATTRIBUTE
228 a64 __tsan_atomic64_load(const volatile a64 *a, morder mo);
229 #if __TSAN_HAS_INT128
230 SANITIZER_INTERFACE_ATTRIBUTE
231 a128 __tsan_atomic128_load(const volatile a128 *a, morder mo);
232 #endif
233 
234 SANITIZER_INTERFACE_ATTRIBUTE
235 void __tsan_atomic8_store(volatile a8 *a, a8 v, morder mo);
236 SANITIZER_INTERFACE_ATTRIBUTE
237 void __tsan_atomic16_store(volatile a16 *a, a16 v, morder mo);
238 SANITIZER_INTERFACE_ATTRIBUTE
239 void __tsan_atomic32_store(volatile a32 *a, a32 v, morder mo);
240 SANITIZER_INTERFACE_ATTRIBUTE
241 void __tsan_atomic64_store(volatile a64 *a, a64 v, morder mo);
242 #if __TSAN_HAS_INT128
243 SANITIZER_INTERFACE_ATTRIBUTE
244 void __tsan_atomic128_store(volatile a128 *a, a128 v, morder mo);
245 #endif
246 
247 SANITIZER_INTERFACE_ATTRIBUTE
248 a8 __tsan_atomic8_exchange(volatile a8 *a, a8 v, morder mo);
249 SANITIZER_INTERFACE_ATTRIBUTE
250 a16 __tsan_atomic16_exchange(volatile a16 *a, a16 v, morder mo);
251 SANITIZER_INTERFACE_ATTRIBUTE
252 a32 __tsan_atomic32_exchange(volatile a32 *a, a32 v, morder mo);
253 SANITIZER_INTERFACE_ATTRIBUTE
254 a64 __tsan_atomic64_exchange(volatile a64 *a, a64 v, morder mo);
255 #if __TSAN_HAS_INT128
256 SANITIZER_INTERFACE_ATTRIBUTE
257 a128 __tsan_atomic128_exchange(volatile a128 *a, a128 v, morder mo);
258 #endif
259 
260 SANITIZER_INTERFACE_ATTRIBUTE
261 a8 __tsan_atomic8_fetch_add(volatile a8 *a, a8 v, morder mo);
262 SANITIZER_INTERFACE_ATTRIBUTE
263 a16 __tsan_atomic16_fetch_add(volatile a16 *a, a16 v, morder mo);
264 SANITIZER_INTERFACE_ATTRIBUTE
265 a32 __tsan_atomic32_fetch_add(volatile a32 *a, a32 v, morder mo);
266 SANITIZER_INTERFACE_ATTRIBUTE
267 a64 __tsan_atomic64_fetch_add(volatile a64 *a, a64 v, morder mo);
268 #if __TSAN_HAS_INT128
269 SANITIZER_INTERFACE_ATTRIBUTE
270 a128 __tsan_atomic128_fetch_add(volatile a128 *a, a128 v, morder mo);
271 #endif
272 
273 SANITIZER_INTERFACE_ATTRIBUTE
274 a8 __tsan_atomic8_fetch_sub(volatile a8 *a, a8 v, morder mo);
275 SANITIZER_INTERFACE_ATTRIBUTE
276 a16 __tsan_atomic16_fetch_sub(volatile a16 *a, a16 v, morder mo);
277 SANITIZER_INTERFACE_ATTRIBUTE
278 a32 __tsan_atomic32_fetch_sub(volatile a32 *a, a32 v, morder mo);
279 SANITIZER_INTERFACE_ATTRIBUTE
280 a64 __tsan_atomic64_fetch_sub(volatile a64 *a, a64 v, morder mo);
281 #if __TSAN_HAS_INT128
282 SANITIZER_INTERFACE_ATTRIBUTE
283 a128 __tsan_atomic128_fetch_sub(volatile a128 *a, a128 v, morder mo);
284 #endif
285 
286 SANITIZER_INTERFACE_ATTRIBUTE
287 a8 __tsan_atomic8_fetch_and(volatile a8 *a, a8 v, morder mo);
288 SANITIZER_INTERFACE_ATTRIBUTE
289 a16 __tsan_atomic16_fetch_and(volatile a16 *a, a16 v, morder mo);
290 SANITIZER_INTERFACE_ATTRIBUTE
291 a32 __tsan_atomic32_fetch_and(volatile a32 *a, a32 v, morder mo);
292 SANITIZER_INTERFACE_ATTRIBUTE
293 a64 __tsan_atomic64_fetch_and(volatile a64 *a, a64 v, morder mo);
294 #if __TSAN_HAS_INT128
295 SANITIZER_INTERFACE_ATTRIBUTE
296 a128 __tsan_atomic128_fetch_and(volatile a128 *a, a128 v, morder mo);
297 #endif
298 
299 SANITIZER_INTERFACE_ATTRIBUTE
300 a8 __tsan_atomic8_fetch_or(volatile a8 *a, a8 v, morder mo);
301 SANITIZER_INTERFACE_ATTRIBUTE
302 a16 __tsan_atomic16_fetch_or(volatile a16 *a, a16 v, morder mo);
303 SANITIZER_INTERFACE_ATTRIBUTE
304 a32 __tsan_atomic32_fetch_or(volatile a32 *a, a32 v, morder mo);
305 SANITIZER_INTERFACE_ATTRIBUTE
306 a64 __tsan_atomic64_fetch_or(volatile a64 *a, a64 v, morder mo);
307 #if __TSAN_HAS_INT128
308 SANITIZER_INTERFACE_ATTRIBUTE
309 a128 __tsan_atomic128_fetch_or(volatile a128 *a, a128 v, morder mo);
310 #endif
311 
312 SANITIZER_INTERFACE_ATTRIBUTE
313 a8 __tsan_atomic8_fetch_xor(volatile a8 *a, a8 v, morder mo);
314 SANITIZER_INTERFACE_ATTRIBUTE
315 a16 __tsan_atomic16_fetch_xor(volatile a16 *a, a16 v, morder mo);
316 SANITIZER_INTERFACE_ATTRIBUTE
317 a32 __tsan_atomic32_fetch_xor(volatile a32 *a, a32 v, morder mo);
318 SANITIZER_INTERFACE_ATTRIBUTE
319 a64 __tsan_atomic64_fetch_xor(volatile a64 *a, a64 v, morder mo);
320 #if __TSAN_HAS_INT128
321 SANITIZER_INTERFACE_ATTRIBUTE
322 a128 __tsan_atomic128_fetch_xor(volatile a128 *a, a128 v, morder mo);
323 #endif
324 
325 SANITIZER_INTERFACE_ATTRIBUTE
326 a8 __tsan_atomic8_fetch_nand(volatile a8 *a, a8 v, morder mo);
327 SANITIZER_INTERFACE_ATTRIBUTE
328 a16 __tsan_atomic16_fetch_nand(volatile a16 *a, a16 v, morder mo);
329 SANITIZER_INTERFACE_ATTRIBUTE
330 a32 __tsan_atomic32_fetch_nand(volatile a32 *a, a32 v, morder mo);
331 SANITIZER_INTERFACE_ATTRIBUTE
332 a64 __tsan_atomic64_fetch_nand(volatile a64 *a, a64 v, morder mo);
333 #if __TSAN_HAS_INT128
334 SANITIZER_INTERFACE_ATTRIBUTE
335 a128 __tsan_atomic128_fetch_nand(volatile a128 *a, a128 v, morder mo);
336 #endif
337 
338 SANITIZER_INTERFACE_ATTRIBUTE
339 int __tsan_atomic8_compare_exchange_strong(volatile a8 *a, a8 *c, a8 v,
340                                            morder mo, morder fmo);
341 SANITIZER_INTERFACE_ATTRIBUTE
342 int __tsan_atomic16_compare_exchange_strong(volatile a16 *a, a16 *c, a16 v,
343                                             morder mo, morder fmo);
344 SANITIZER_INTERFACE_ATTRIBUTE
345 int __tsan_atomic32_compare_exchange_strong(volatile a32 *a, a32 *c, a32 v,
346                                             morder mo, morder fmo);
347 SANITIZER_INTERFACE_ATTRIBUTE
348 int __tsan_atomic64_compare_exchange_strong(volatile a64 *a, a64 *c, a64 v,
349                                             morder mo, morder fmo);
350 #if __TSAN_HAS_INT128
351 SANITIZER_INTERFACE_ATTRIBUTE
352 int __tsan_atomic128_compare_exchange_strong(volatile a128 *a, a128 *c, a128 v,
353                                              morder mo, morder fmo);
354 #endif
355 
356 SANITIZER_INTERFACE_ATTRIBUTE
357 int __tsan_atomic8_compare_exchange_weak(volatile a8 *a, a8 *c, a8 v, morder mo,
358                                          morder fmo);
359 SANITIZER_INTERFACE_ATTRIBUTE
360 int __tsan_atomic16_compare_exchange_weak(volatile a16 *a, a16 *c, a16 v,
361                                           morder mo, morder fmo);
362 SANITIZER_INTERFACE_ATTRIBUTE
363 int __tsan_atomic32_compare_exchange_weak(volatile a32 *a, a32 *c, a32 v,
364                                           morder mo, morder fmo);
365 SANITIZER_INTERFACE_ATTRIBUTE
366 int __tsan_atomic64_compare_exchange_weak(volatile a64 *a, a64 *c, a64 v,
367                                           morder mo, morder fmo);
368 #if __TSAN_HAS_INT128
369 SANITIZER_INTERFACE_ATTRIBUTE
370 int __tsan_atomic128_compare_exchange_weak(volatile a128 *a, a128 *c, a128 v,
371                                            morder mo, morder fmo);
372 #endif
373 
374 SANITIZER_INTERFACE_ATTRIBUTE
375 a8 __tsan_atomic8_compare_exchange_val(volatile a8 *a, a8 c, a8 v, morder mo,
376                                        morder fmo);
377 SANITIZER_INTERFACE_ATTRIBUTE
378 a16 __tsan_atomic16_compare_exchange_val(volatile a16 *a, a16 c, a16 v,
379                                          morder mo, morder fmo);
380 SANITIZER_INTERFACE_ATTRIBUTE
381 a32 __tsan_atomic32_compare_exchange_val(volatile a32 *a, a32 c, a32 v,
382                                          morder mo, morder fmo);
383 SANITIZER_INTERFACE_ATTRIBUTE
384 a64 __tsan_atomic64_compare_exchange_val(volatile a64 *a, a64 c, a64 v,
385                                          morder mo, morder fmo);
386 #if __TSAN_HAS_INT128
387 SANITIZER_INTERFACE_ATTRIBUTE
388 a128 __tsan_atomic128_compare_exchange_val(volatile a128 *a, a128 c, a128 v,
389                                            morder mo, morder fmo);
390 #endif
391 
392 SANITIZER_INTERFACE_ATTRIBUTE
393 void __tsan_atomic_thread_fence(morder mo);
394 SANITIZER_INTERFACE_ATTRIBUTE
395 void __tsan_atomic_signal_fence(morder mo);
396 
397 SANITIZER_INTERFACE_ATTRIBUTE
398 void __tsan_go_atomic32_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
399 SANITIZER_INTERFACE_ATTRIBUTE
400 void __tsan_go_atomic64_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
401 SANITIZER_INTERFACE_ATTRIBUTE
402 void __tsan_go_atomic32_store(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
403 SANITIZER_INTERFACE_ATTRIBUTE
404 void __tsan_go_atomic64_store(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
405 SANITIZER_INTERFACE_ATTRIBUTE
406 void __tsan_go_atomic32_fetch_add(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
407 SANITIZER_INTERFACE_ATTRIBUTE
408 void __tsan_go_atomic64_fetch_add(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
409 SANITIZER_INTERFACE_ATTRIBUTE
410 void __tsan_go_atomic32_exchange(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
411 SANITIZER_INTERFACE_ATTRIBUTE
412 void __tsan_go_atomic64_exchange(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
413 SANITIZER_INTERFACE_ATTRIBUTE
414 void __tsan_go_atomic32_compare_exchange(ThreadState *thr, uptr cpc, uptr pc,
415                                          u8 *a);
416 SANITIZER_INTERFACE_ATTRIBUTE
417 void __tsan_go_atomic64_compare_exchange(ThreadState *thr, uptr cpc, uptr pc,
418                                          u8 *a);
419 
420 SANITIZER_INTERFACE_ATTRIBUTE
421 void __tsan_on_initialize();
422 
423 SANITIZER_INTERFACE_ATTRIBUTE
424 int __tsan_on_finalize(int failed);
425 
426 }  // extern "C"
427 
428 }  // namespace __tsan
429 
430 #endif  // TSAN_INTERFACE_H
431