Release clang18 #3

https://github.com/yandex/toolchain-registry/releases/tag/clang18-v3
commit_hash:242ab0166e0b3ae29fd381117df005246a4e4eb9

1 files changed, 316 insertions, 0 deletions

diff --git a/contrib/libs/clang18-rt/include/sanitizer/tsan_interface.h b/contrib/libs/clang18-rt/include/sanitizer/tsan_interface.h
new file mode 100644
index 0000000000..e11a4175cd
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+++ b/contrib/libs/clang18-rt/include/sanitizer/tsan_interface.h
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+//===-- tsan_interface.h ----------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of ThreadSanitizer (TSan), a race detector.
+//
+// Public interface header for TSan.
+//===----------------------------------------------------------------------===//
+#ifndef SANITIZER_TSAN_INTERFACE_H
+#define SANITIZER_TSAN_INTERFACE_H
+
+#include <sanitizer/common_interface_defs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// __tsan_release establishes a happens-before relation with a preceding
+// __tsan_acquire on the same address.
+void SANITIZER_CDECL __tsan_acquire(void *addr);
+void SANITIZER_CDECL __tsan_release(void *addr);
+
+// Annotations for custom mutexes.
+// The annotations allow to get better reports (with sets of locked mutexes),
+// detect more types of bugs (e.g. mutex misuses, races between lock/unlock and
+// destruction and potential deadlocks) and improve precision and performance
+// (by ignoring individual atomic operations in mutex code). However, the
+// downside is that annotated mutex code itself is not checked for correctness.
+
+// Mutex creation flags are passed to __tsan_mutex_create annotation.
+// If mutex has no constructor and __tsan_mutex_create is not called,
+// the flags may be passed to __tsan_mutex_pre_lock/__tsan_mutex_post_lock
+// annotations.
+
+// Mutex has static storage duration and no-op constructor and destructor.
+// This effectively makes tsan ignore destroy annotation.
+static const unsigned __tsan_mutex_linker_init      = 1 << 0;
+// Mutex is write reentrant.
+static const unsigned __tsan_mutex_write_reentrant  = 1 << 1;
+// Mutex is read reentrant.
+static const unsigned __tsan_mutex_read_reentrant   = 1 << 2;
+// Mutex does not have static storage duration, and must not be used after
+// its destructor runs.  The opposite of __tsan_mutex_linker_init.
+// If this flag is passed to __tsan_mutex_destroy, then the destruction
+// is ignored unless this flag was previously set on the mutex.
+static const unsigned __tsan_mutex_not_static       = 1 << 8;
+
+// Mutex operation flags:
+
+// Denotes read lock operation.
+static const unsigned __tsan_mutex_read_lock = 1 << 3;
+// Denotes try lock operation.
+static const unsigned __tsan_mutex_try_lock = 1 << 4;
+// Denotes that a try lock operation has failed to acquire the mutex.
+static const unsigned __tsan_mutex_try_lock_failed = 1 << 5;
+// Denotes that the lock operation acquires multiple recursion levels.
+// Number of levels is passed in recursion parameter.
+// This is useful for annotation of e.g. Java builtin monitors,
+// for which wait operation releases all recursive acquisitions of the mutex.
+static const unsigned __tsan_mutex_recursive_lock = 1 << 6;
+// Denotes that the unlock operation releases all recursion levels.
+// Number of released levels is returned and later must be passed to
+// the corresponding __tsan_mutex_post_lock annotation.
+static const unsigned __tsan_mutex_recursive_unlock = 1 << 7;
+
+// Convenient composed constants.
+static const unsigned __tsan_mutex_try_read_lock =
+    __tsan_mutex_read_lock | __tsan_mutex_try_lock;
+static const unsigned __tsan_mutex_try_read_lock_failed =
+    __tsan_mutex_try_read_lock | __tsan_mutex_try_lock_failed;
+
+// Annotate creation of a mutex.
+// Supported flags: mutex creation flags.
+void SANITIZER_CDECL __tsan_mutex_create(void *addr, unsigned flags);
+
+// Annotate destruction of a mutex.
+// Supported flags:
+//   - __tsan_mutex_linker_init
+//   - __tsan_mutex_not_static
+void SANITIZER_CDECL __tsan_mutex_destroy(void *addr, unsigned flags);
+
+// Annotate start of lock operation.
+// Supported flags:
+//   - __tsan_mutex_read_lock
+//   - __tsan_mutex_try_lock
+//   - all mutex creation flags
+void SANITIZER_CDECL __tsan_mutex_pre_lock(void *addr, unsigned flags);
+
+// Annotate end of lock operation.
+// Supported flags:
+//   - __tsan_mutex_read_lock (must match __tsan_mutex_pre_lock)
+//   - __tsan_mutex_try_lock (must match __tsan_mutex_pre_lock)
+//   - __tsan_mutex_try_lock_failed
+//   - __tsan_mutex_recursive_lock
+//   - all mutex creation flags
+void SANITIZER_CDECL __tsan_mutex_post_lock(void *addr, unsigned flags,
+                                            int recursion);
+
+// Annotate start of unlock operation.
+// Supported flags:
+//   - __tsan_mutex_read_lock
+//   - __tsan_mutex_recursive_unlock
+int SANITIZER_CDECL __tsan_mutex_pre_unlock(void *addr, unsigned flags);
+
+// Annotate end of unlock operation.
+// Supported flags:
+//   - __tsan_mutex_read_lock (must match __tsan_mutex_pre_unlock)
+void SANITIZER_CDECL __tsan_mutex_post_unlock(void *addr, unsigned flags);
+
+// Annotate start/end of notify/signal/broadcast operation.
+// Supported flags: none.
+void SANITIZER_CDECL __tsan_mutex_pre_signal(void *addr, unsigned flags);
+void SANITIZER_CDECL __tsan_mutex_post_signal(void *addr, unsigned flags);
+
+// Annotate start/end of a region of code where lock/unlock/signal operation
+// diverts to do something else unrelated to the mutex. This can be used to
+// annotate, for example, calls into cooperative scheduler or contention
+// profiling code.
+// These annotations must be called only from within
+// __tsan_mutex_pre/post_lock, __tsan_mutex_pre/post_unlock,
+// __tsan_mutex_pre/post_signal regions.
+// Supported flags: none.
+void SANITIZER_CDECL __tsan_mutex_pre_divert(void *addr, unsigned flags);
+void SANITIZER_CDECL __tsan_mutex_post_divert(void *addr, unsigned flags);
+
+// Check that the current thread does not hold any mutexes,
+// report a bug report otherwise.
+void SANITIZER_CDECL __tsan_check_no_mutexes_held();
+
+// External race detection API.
+// Can be used by non-instrumented libraries to detect when their objects are
+// being used in an unsafe manner.
+//   - __tsan_external_read/__tsan_external_write annotates the logical reads
+//       and writes of the object at the specified address. 'caller_pc' should
+//       be the PC of the library user, which the library can obtain with e.g.
+//       `__builtin_return_address(0)`.
+//   - __tsan_external_register_tag registers a 'tag' with the specified name,
+//       which is later used in read/write annotations to denote the object type
+//   - __tsan_external_assign_tag can optionally mark a heap object with a tag
+void *SANITIZER_CDECL __tsan_external_register_tag(const char *object_type);
+void SANITIZER_CDECL __tsan_external_register_header(void *tag,
+                                                     const char *header);
+void SANITIZER_CDECL __tsan_external_assign_tag(void *addr, void *tag);
+void SANITIZER_CDECL __tsan_external_read(void *addr, void *caller_pc,
+                                          void *tag);
+void SANITIZER_CDECL __tsan_external_write(void *addr, void *caller_pc,
+                                           void *tag);
+
+// Fiber switching API.
+//   - TSAN context for fiber can be created by __tsan_create_fiber
+//     and freed by __tsan_destroy_fiber.
+//   - TSAN context of current fiber or thread can be obtained
+//     by calling __tsan_get_current_fiber.
+//   - __tsan_switch_to_fiber should be called immediately before switch
+//     to fiber, such as call of swapcontext.
+//   - Fiber name can be set by __tsan_set_fiber_name.
+void *SANITIZER_CDECL __tsan_get_current_fiber(void);
+void *SANITIZER_CDECL __tsan_create_fiber(unsigned flags);
+void SANITIZER_CDECL __tsan_destroy_fiber(void *fiber);
+void SANITIZER_CDECL __tsan_switch_to_fiber(void *fiber, unsigned flags);
+void SANITIZER_CDECL __tsan_set_fiber_name(void *fiber, const char *name);
+
+// Flags for __tsan_switch_to_fiber:
+// Do not establish a happens-before relation between fibers
+static const unsigned __tsan_switch_to_fiber_no_sync = 1 << 0;
+
+// User-provided callback invoked on TSan initialization.
+void SANITIZER_CDECL __tsan_on_initialize();
+
+// User-provided callback invoked on TSan shutdown.
+// `failed` - Nonzero if TSan did detect issues, zero otherwise.
+// Return `0` if TSan should exit as if no issues were detected.  Return nonzero
+// if TSan should exit as if issues were detected.
+int SANITIZER_CDECL __tsan_on_finalize(int failed);
+
+// Release TSan internal memory in a best-effort manner.
+void SANITIZER_CDECL __tsan_flush_memory();
+
+// User-provided default TSAN options.
+const char *SANITIZER_CDECL __tsan_default_options(void);
+
+// User-provided default TSAN suppressions.
+const char *SANITIZER_CDECL __tsan_default_suppressions(void);
+
+/// Returns a report's description.
+///
+/// Returns a report's description (issue type), number of duplicate issues
+/// found, counts of array data (stack traces, memory operations, locations,
+/// mutexes, threads, unique thread IDs) and a stack trace of a <c>sleep()</c>
+/// call (if one was involved in the issue).
+///
+/// \param report Opaque pointer to the current report.
+/// \param[out] description Report type description.
+/// \param[out] count Count of duplicate issues.
+/// \param[out] stack_count Count of stack traces.
+/// \param[out] mop_count Count of memory operations.
+/// \param[out] loc_count Count of locations.
+/// \param[out] mutex_count Count of mutexes.
+/// \param[out] thread_count Count of threads.
+/// \param[out] unique_tid_count Count of unique thread IDs.
+/// \param sleep_trace A buffer to store the stack trace of a <c>sleep()</c>
+/// call.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_data(
+    void *report, const char **description, int *count, int *stack_count,
+    int *mop_count, int *loc_count, int *mutex_count, int *thread_count,
+    int *unique_tid_count, void **sleep_trace, unsigned long trace_size);
+
+/// Returns information about stack traces included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's stacks.
+/// \param trace A buffer to store the stack trace.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_stack(void *report, unsigned long idx,
+                                            void **trace,
+                                            unsigned long trace_size);
+
+/// Returns information about memory operations included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's memory operations.
+/// \param[out] tid Thread ID of the memory operation.
+/// \param[out] addr Address of the memory operation.
+/// \param[out] size Size of the memory operation.
+/// \param[out] write Write flag of the memory operation.
+/// \param[out] atomic Atomicity flag of the memory operation.
+/// \param trace A buffer to store the stack trace.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_mop(void *report, unsigned long idx,
+                                          int *tid, void **addr, int *size,
+                                          int *write, int *atomic, void **trace,
+                                          unsigned long trace_size);
+
+/// Returns information about locations included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's locations.
+/// \param[out] type Type of the location.
+/// \param[out] addr Address of the location.
+/// \param[out] start Start of the location.
+/// \param[out] size Size of the location.
+/// \param[out] tid Thread ID of the location.
+/// \param[out] fd File descriptor of the location.
+/// \param[out] suppressable Suppressable flag.
+/// \param trace A buffer to store the stack trace.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_loc(void *report, unsigned long idx,
+                                          const char **type, void **addr,
+                                          void **start, unsigned long *size,
+                                          int *tid, int *fd, int *suppressable,
+                                          void **trace,
+                                          unsigned long trace_size);
+
+/// Returns information about mutexes included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's mutexes.
+/// \param[out] mutex_id Id of the mutex.
+/// \param[out] addr Address of the mutex.
+/// \param[out] destroyed Destroyed mutex flag.
+/// \param trace A buffer to store the stack trace.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_mutex(void *report, unsigned long idx,
+                                            uint64_t *mutex_id, void **addr,
+                                            int *destroyed, void **trace,
+                                            unsigned long trace_size);
+
+/// Returns information about threads included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's threads.
+/// \param[out] tid Thread ID of the thread.
+/// \param[out] os_id Operating system's ID of the thread.
+/// \param[out] running Running flag of the thread.
+/// \param[out] name Name of the thread.
+/// \param[out] parent_tid ID of the parent thread.
+/// \param trace A buffer to store the stack trace.
+/// \param trace_size Size in bytes of the trace buffer.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_thread(void *report, unsigned long idx,
+                                             int *tid, uint64_t *os_id,
+                                             int *running, const char **name,
+                                             int *parent_tid, void **trace,
+                                             unsigned long trace_size);
+
+/// Returns information about unique thread IDs included in the report.
+///
+/// \param report Opaque pointer to the current report.
+/// \param idx Index to the report's unique thread IDs.
+/// \param[out] tid Unique thread ID of the report.
+/// \returns Returns 1 if successful, 0 if not.
+int SANITIZER_CDECL __tsan_get_report_unique_tid(void *report,
+                                                 unsigned long idx, int *tid);
+
+/// Returns the current report.
+///
+/// If TSan is currently reporting a detected issue on the current thread,
+/// returns an opaque pointer to the current report. Otherwise returns NULL.
+/// \returns An opaque pointer to the current report. Otherwise returns NULL.
+void *SANITIZER_CDECL __tsan_get_current_report();
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // SANITIZER_TSAN_INTERFACE_H