423 lines
18 KiB
C++
423 lines
18 KiB
C++
//===-- tsan_interface.h ----------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of ThreadSanitizer (TSan), a race detector.
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//
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// The functions declared in this header will be inserted by the instrumentation
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// module.
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// This header can be included by the instrumented program or by TSan tests.
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//===----------------------------------------------------------------------===//
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#ifndef TSAN_INTERFACE_H
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#define TSAN_INTERFACE_H
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#include <sanitizer_common/sanitizer_internal_defs.h>
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using __sanitizer::uptr;
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using __sanitizer::tid_t;
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// This header should NOT include any other headers.
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// All functions in this header are extern "C" and start with __tsan_.
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if !SANITIZER_GO
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// This function should be called at the very beginning of the process,
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// before any instrumented code is executed and before any call to malloc.
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_init();
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_flush_memory();
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read1(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read2(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read4(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read8(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read16(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write1(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write2(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write4(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write8(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write16(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read2(const void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read4(const void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read8(const void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_read16(const void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write2(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write4(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write8(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_unaligned_write16(void *addr);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read1_pc(void *addr, void *pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read2_pc(void *addr, void *pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read4_pc(void *addr, void *pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read8_pc(void *addr, void *pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_read16_pc(void *addr, void *pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write1_pc(void *addr, void *pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write2_pc(void *addr, void *pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write4_pc(void *addr, void *pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write8_pc(void *addr, void *pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_write16_pc(void *addr, void *pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_vptr_read(void **vptr_p);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_vptr_update(void **vptr_p, void *new_val);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_func_entry(void *call_pc);
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_func_exit();
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_ignore_thread_begin();
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SANITIZER_INTERFACE_ATTRIBUTE void __tsan_ignore_thread_end();
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SANITIZER_INTERFACE_ATTRIBUTE
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void *__tsan_external_register_tag(const char *object_type);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_external_register_header(void *tag, const char *header);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_external_assign_tag(void *addr, void *tag);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_external_read(void *addr, void *caller_pc, void *tag);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_external_write(void *addr, void *caller_pc, void *tag);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_read_range(void *addr, unsigned long size);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_write_range(void *addr, unsigned long size);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_read_range_pc(void *addr, unsigned long size, void *pc); // NOLINT
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_write_range_pc(void *addr, unsigned long size, void *pc); // NOLINT
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// User may provide function that would be called right when TSan detects
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// an error. The argument 'report' is an opaque pointer that can be used to
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// gather additional information using other TSan report API functions.
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_on_report(void *report);
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// If TSan is currently reporting a detected issue on the current thread,
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// returns an opaque pointer to the current report. Otherwise returns NULL.
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SANITIZER_INTERFACE_ATTRIBUTE
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void *__tsan_get_current_report();
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// Returns a report's description (issue type), number of duplicate issues
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// found, counts of array data (stack traces, memory operations, locations,
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// mutexes, threads, unique thread IDs) and a stack trace of a sleep() call (if
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// one was involved in the issue).
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_get_report_data(void *report, const char **description, int *count,
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int *stack_count, int *mop_count, int *loc_count,
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int *mutex_count, int *thread_count,
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int *unique_tid_count, void **sleep_trace,
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uptr trace_size);
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/// Retrieves the "tag" from a report (for external-race report types). External
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/// races can be associated with a tag which give them more meaning. For example
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/// tag value '1' means "Swift access race". Tag value '0' indicated a plain
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/// external race.
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///
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/// \param report opaque pointer to the current report (obtained as argument in
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/// __tsan_on_report, or from __tsan_get_current_report)
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/// \param [out] tag points to storage that will be filled with the tag value
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///
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/// \returns non-zero value on success, zero on failure
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_get_report_tag(void *report, uptr *tag);
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// Returns information about stack traces included in the report.
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_get_report_stack(void *report, uptr idx, void **trace,
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uptr trace_size);
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// Returns information about memory operations included in the report.
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_get_report_mop(void *report, uptr idx, int *tid, void **addr,
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int *size, int *write, int *atomic, void **trace,
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uptr trace_size);
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// Returns information about locations included in the report.
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_get_report_loc(void *report, uptr idx, const char **type,
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void **addr, uptr *start, uptr *size, int *tid,
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int *fd, int *suppressable, void **trace,
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uptr trace_size);
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_get_report_loc_object_type(void *report, uptr idx,
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const char **object_type);
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// Returns information about mutexes included in the report.
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_get_report_mutex(void *report, uptr idx, uptr *mutex_id, void **addr,
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int *destroyed, void **trace, uptr trace_size);
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// Returns information about threads included in the report.
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_get_report_thread(void *report, uptr idx, int *tid, tid_t *os_id,
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int *running, const char **name, int *parent_tid,
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void **trace, uptr trace_size);
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// Returns information about unique thread IDs included in the report.
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_get_report_unique_tid(void *report, uptr idx, int *tid);
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// Returns the type of the pointer (heap, stack, global, ...) and if possible
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// also the starting address (e.g. of a heap allocation) and size.
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SANITIZER_INTERFACE_ATTRIBUTE
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const char *__tsan_locate_address(uptr addr, char *name, uptr name_size,
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uptr *region_address, uptr *region_size);
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// Returns the allocation stack for a heap pointer.
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_get_alloc_stack(uptr addr, uptr *trace, uptr size, int *thread_id,
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tid_t *os_id);
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#endif // SANITIZER_GO
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#ifdef __cplusplus
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} // extern "C"
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#endif
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namespace __tsan {
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// These should match declarations from public tsan_interface_atomic.h header.
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typedef unsigned char a8;
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typedef unsigned short a16;
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typedef unsigned int a32;
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typedef unsigned long long a64;
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#if !SANITIZER_GO && (defined(__SIZEOF_INT128__) \
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|| (__clang_major__ * 100 + __clang_minor__ >= 302)) && !defined(__mips64)
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__extension__ typedef __int128 a128;
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# define __TSAN_HAS_INT128 1
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#else
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# define __TSAN_HAS_INT128 0
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#endif
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// Part of ABI, do not change.
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// https://github.com/llvm/llvm-project/blob/master/libcxx/include/atomic
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typedef enum {
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mo_relaxed,
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mo_consume,
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mo_acquire,
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mo_release,
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mo_acq_rel,
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mo_seq_cst
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} morder;
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struct ThreadState;
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extern "C" {
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SANITIZER_INTERFACE_ATTRIBUTE
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a8 __tsan_atomic8_load(const volatile a8 *a, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a16 __tsan_atomic16_load(const volatile a16 *a, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a32 __tsan_atomic32_load(const volatile a32 *a, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a64 __tsan_atomic64_load(const volatile a64 *a, morder mo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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a128 __tsan_atomic128_load(const volatile a128 *a, morder mo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_atomic8_store(volatile a8 *a, a8 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_atomic16_store(volatile a16 *a, a16 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_atomic32_store(volatile a32 *a, a32 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_atomic64_store(volatile a64 *a, a64 v, morder mo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_atomic128_store(volatile a128 *a, a128 v, morder mo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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a8 __tsan_atomic8_exchange(volatile a8 *a, a8 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a16 __tsan_atomic16_exchange(volatile a16 *a, a16 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a32 __tsan_atomic32_exchange(volatile a32 *a, a32 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a64 __tsan_atomic64_exchange(volatile a64 *a, a64 v, morder mo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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a128 __tsan_atomic128_exchange(volatile a128 *a, a128 v, morder mo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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a8 __tsan_atomic8_fetch_add(volatile a8 *a, a8 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a16 __tsan_atomic16_fetch_add(volatile a16 *a, a16 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a32 __tsan_atomic32_fetch_add(volatile a32 *a, a32 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a64 __tsan_atomic64_fetch_add(volatile a64 *a, a64 v, morder mo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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a128 __tsan_atomic128_fetch_add(volatile a128 *a, a128 v, morder mo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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a8 __tsan_atomic8_fetch_sub(volatile a8 *a, a8 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a16 __tsan_atomic16_fetch_sub(volatile a16 *a, a16 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a32 __tsan_atomic32_fetch_sub(volatile a32 *a, a32 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a64 __tsan_atomic64_fetch_sub(volatile a64 *a, a64 v, morder mo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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a128 __tsan_atomic128_fetch_sub(volatile a128 *a, a128 v, morder mo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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a8 __tsan_atomic8_fetch_and(volatile a8 *a, a8 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a16 __tsan_atomic16_fetch_and(volatile a16 *a, a16 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a32 __tsan_atomic32_fetch_and(volatile a32 *a, a32 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a64 __tsan_atomic64_fetch_and(volatile a64 *a, a64 v, morder mo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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a128 __tsan_atomic128_fetch_and(volatile a128 *a, a128 v, morder mo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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a8 __tsan_atomic8_fetch_or(volatile a8 *a, a8 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a16 __tsan_atomic16_fetch_or(volatile a16 *a, a16 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a32 __tsan_atomic32_fetch_or(volatile a32 *a, a32 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a64 __tsan_atomic64_fetch_or(volatile a64 *a, a64 v, morder mo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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a128 __tsan_atomic128_fetch_or(volatile a128 *a, a128 v, morder mo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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a8 __tsan_atomic8_fetch_xor(volatile a8 *a, a8 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a16 __tsan_atomic16_fetch_xor(volatile a16 *a, a16 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a32 __tsan_atomic32_fetch_xor(volatile a32 *a, a32 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a64 __tsan_atomic64_fetch_xor(volatile a64 *a, a64 v, morder mo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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a128 __tsan_atomic128_fetch_xor(volatile a128 *a, a128 v, morder mo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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a8 __tsan_atomic8_fetch_nand(volatile a8 *a, a8 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a16 __tsan_atomic16_fetch_nand(volatile a16 *a, a16 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a32 __tsan_atomic32_fetch_nand(volatile a32 *a, a32 v, morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a64 __tsan_atomic64_fetch_nand(volatile a64 *a, a64 v, morder mo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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a128 __tsan_atomic128_fetch_nand(volatile a128 *a, a128 v, morder mo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_atomic8_compare_exchange_strong(volatile a8 *a, a8 *c, a8 v,
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morder mo, morder fmo);
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_atomic16_compare_exchange_strong(volatile a16 *a, a16 *c, a16 v,
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morder mo, morder fmo);
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_atomic32_compare_exchange_strong(volatile a32 *a, a32 *c, a32 v,
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morder mo, morder fmo);
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_atomic64_compare_exchange_strong(volatile a64 *a, a64 *c, a64 v,
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morder mo, morder fmo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_atomic128_compare_exchange_strong(volatile a128 *a, a128 *c, a128 v,
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morder mo, morder fmo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_atomic8_compare_exchange_weak(volatile a8 *a, a8 *c, a8 v, morder mo,
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morder fmo);
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_atomic16_compare_exchange_weak(volatile a16 *a, a16 *c, a16 v,
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morder mo, morder fmo);
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_atomic32_compare_exchange_weak(volatile a32 *a, a32 *c, a32 v,
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morder mo, morder fmo);
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_atomic64_compare_exchange_weak(volatile a64 *a, a64 *c, a64 v,
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morder mo, morder fmo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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int __tsan_atomic128_compare_exchange_weak(volatile a128 *a, a128 *c, a128 v,
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morder mo, morder fmo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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a8 __tsan_atomic8_compare_exchange_val(volatile a8 *a, a8 c, a8 v, morder mo,
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morder fmo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a16 __tsan_atomic16_compare_exchange_val(volatile a16 *a, a16 c, a16 v,
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morder mo, morder fmo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a32 __tsan_atomic32_compare_exchange_val(volatile a32 *a, a32 c, a32 v,
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morder mo, morder fmo);
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SANITIZER_INTERFACE_ATTRIBUTE
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a64 __tsan_atomic64_compare_exchange_val(volatile a64 *a, a64 c, a64 v,
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morder mo, morder fmo);
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#if __TSAN_HAS_INT128
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SANITIZER_INTERFACE_ATTRIBUTE
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a128 __tsan_atomic128_compare_exchange_val(volatile a128 *a, a128 c, a128 v,
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morder mo, morder fmo);
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#endif
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_atomic_thread_fence(morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_atomic_signal_fence(morder mo);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_go_atomic32_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_go_atomic64_load(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_go_atomic32_store(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_go_atomic64_store(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_go_atomic32_fetch_add(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_go_atomic64_fetch_add(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_go_atomic32_exchange(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_go_atomic64_exchange(ThreadState *thr, uptr cpc, uptr pc, u8 *a);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_go_atomic32_compare_exchange(ThreadState *thr, uptr cpc, uptr pc,
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u8 *a);
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SANITIZER_INTERFACE_ATTRIBUTE
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void __tsan_go_atomic64_compare_exchange(ThreadState *thr, uptr cpc, uptr pc,
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u8 *a);
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} // extern "C"
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} // namespace __tsan
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#endif // TSAN_INTERFACE_H
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