1//===-- tsan_flags.inc ------------------------------------------*- 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// TSan runtime flags. 10// 11//===----------------------------------------------------------------------===// 12#ifndef TSAN_FLAG 13# error "Define TSAN_FLAG prior to including this file!" 14#endif 15 16// TSAN_FLAG(Type, Name, DefaultValue, Description) 17// See COMMON_FLAG in sanitizer_flags.inc for more details. 18 19TSAN_FLAG(bool, enable_annotations, true, 20 "Enable dynamic annotations, otherwise they are no-ops.") 21// Suppress a race report if we've already output another race report 22// with the same stack. 23TSAN_FLAG(bool, suppress_equal_stacks, true, 24 "Suppress a race report if we've already output another race report " 25 "with the same stack.") 26TSAN_FLAG(bool, report_bugs, true, 27 "Turns off bug reporting entirely (useful for benchmarking).") 28TSAN_FLAG(bool, report_thread_leaks, true, "Report thread leaks at exit?") 29TSAN_FLAG(bool, report_destroy_locked, true, 30 "Report destruction of a locked mutex?") 31TSAN_FLAG(bool, report_mutex_bugs, true, 32 "Report incorrect usages of mutexes and mutex annotations?") 33TSAN_FLAG(bool, report_signal_unsafe, true, 34 "Report violations of async signal-safety " 35 "(e.g. malloc() call from a signal handler).") 36TSAN_FLAG(bool, report_atomic_races, true, 37 "Report races between atomic and plain memory accesses.") 38TSAN_FLAG( 39 bool, force_seq_cst_atomics, false, 40 "If set, all atomics are effectively sequentially consistent (seq_cst), " 41 "regardless of what user actually specified.") 42TSAN_FLAG(bool, force_background_thread, false, 43 "If set, eagerly launch a background thread for memory reclamation " 44 "instead of waiting for a user call to pthread_create.") 45TSAN_FLAG(bool, halt_on_error, false, "Exit after first reported error.") 46TSAN_FLAG(int, atexit_sleep_ms, 1000, 47 "Sleep in main thread before exiting for that many ms " 48 "(useful to catch \"at exit\" races).") 49TSAN_FLAG(const char *, profile_memory, "", 50 "If set, periodically write memory profile to that file.") 51TSAN_FLAG(int, flush_memory_ms, 0, "Flush shadow memory every X ms.") 52TSAN_FLAG(int, flush_symbolizer_ms, 5000, "Flush symbolizer caches every X ms.") 53TSAN_FLAG( 54 int, memory_limit_mb, 0, 55 "Resident memory limit in MB to aim at." 56 "If the process consumes more memory, then TSan will flush shadow memory.") 57TSAN_FLAG(bool, stop_on_start, false, 58 "Stops on start until __tsan_resume() is called (for debugging).") 59TSAN_FLAG(bool, running_on_valgrind, false, 60 "Controls whether RunningOnValgrind() returns true or false.") 61TSAN_FLAG( 62 uptr, history_size, 0, 63 "Per-thread history size," 64 " controls how many extra previous memory accesses are remembered per thread.") 65TSAN_FLAG(int, io_sync, 1, 66 "Controls level of synchronization implied by IO operations. " 67 "0 - no synchronization " 68 "1 - reasonable level of synchronization (write->read)" 69 "2 - global synchronization of all IO operations.") 70TSAN_FLAG(bool, die_after_fork, true, 71 "Die after multi-threaded fork if the child creates new threads.") 72TSAN_FLAG(const char *, suppressions, "", "Suppressions file name.") 73TSAN_FLAG(bool, ignore_interceptors_accesses, SANITIZER_APPLE ? true : false, 74 "Ignore reads and writes from all interceptors.") 75TSAN_FLAG(bool, ignore_noninstrumented_modules, SANITIZER_APPLE ? true : false, 76 "Interceptors should only detect races when called from instrumented " 77 "modules.") 78TSAN_FLAG(bool, shared_ptr_interceptor, true, 79 "Track atomic reference counting in libc++ shared_ptr and weak_ptr.") 80TSAN_FLAG(bool, print_full_thread_history, false, 81 "If set, prints thread creation stacks for the threads involved in " 82 "the report and their ancestors up to the main thread.") 83