| //===-- tsan_flags.inc ------------------------------------------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // TSan runtime flags. |
| // |
| //===----------------------------------------------------------------------===// |
| #ifndef TSAN_FLAG |
| # error "Define TSAN_FLAG prior to including this file!" |
| #endif |
| |
| // TSAN_FLAG(Type, Name, DefaultValue, Description) |
| // See COMMON_FLAG in sanitizer_flags.inc for more details. |
| |
| TSAN_FLAG(bool, enable_annotations, true, |
| "Enable dynamic annotations, otherwise they are no-ops.") |
| // Suppress a race report if we've already output another race report |
| // with the same stack. |
| TSAN_FLAG(bool, suppress_equal_stacks, true, |
| "Suppress a race report if we've already output another race report " |
| "with the same stack.") |
| TSAN_FLAG(bool, suppress_equal_addresses, true, |
| "Suppress a race report if we've already output another race report " |
| "on the same address.") |
| |
| TSAN_FLAG(bool, report_bugs, true, |
| "Turns off bug reporting entirely (useful for benchmarking).") |
| TSAN_FLAG(bool, report_thread_leaks, true, "Report thread leaks at exit?") |
| TSAN_FLAG(bool, report_destroy_locked, true, |
| "Report destruction of a locked mutex?") |
| TSAN_FLAG(bool, report_mutex_bugs, true, |
| "Report incorrect usages of mutexes and mutex annotations?") |
| TSAN_FLAG(bool, report_signal_unsafe, true, |
| "Report violations of async signal-safety " |
| "(e.g. malloc() call from a signal handler).") |
| TSAN_FLAG(bool, report_atomic_races, true, |
| "Report races between atomic and plain memory accesses.") |
| TSAN_FLAG( |
| bool, force_seq_cst_atomics, false, |
| "If set, all atomics are effectively sequentially consistent (seq_cst), " |
| "regardless of what user actually specified.") |
| TSAN_FLAG(bool, halt_on_error, false, "Exit after first reported error.") |
| TSAN_FLAG(int, atexit_sleep_ms, 1000, |
| "Sleep in main thread before exiting for that many ms " |
| "(useful to catch \"at exit\" races).") |
| TSAN_FLAG(const char *, profile_memory, "", |
| "If set, periodically write memory profile to that file.") |
| TSAN_FLAG(int, flush_memory_ms, 0, "Flush shadow memory every X ms.") |
| TSAN_FLAG(int, flush_symbolizer_ms, 5000, "Flush symbolizer caches every X ms.") |
| TSAN_FLAG( |
| int, memory_limit_mb, 0, |
| "Resident memory limit in MB to aim at." |
| "If the process consumes more memory, then TSan will flush shadow memory.") |
| TSAN_FLAG(bool, stop_on_start, false, |
| "Stops on start until __tsan_resume() is called (for debugging).") |
| TSAN_FLAG(bool, running_on_valgrind, false, |
| "Controls whether RunningOnValgrind() returns true or false.") |
| // There are a lot of goroutines in Go, so we use smaller history. |
| TSAN_FLAG( |
| int, history_size, SANITIZER_GO ? 1 : 3, |
| "Per-thread history size, controls how many previous memory accesses " |
| "are remembered per thread. Possible values are [0..7]. " |
| "history_size=0 amounts to 32K memory accesses. Each next value doubles " |
| "the amount of memory accesses, up to history_size=7 that amounts to " |
| "4M memory accesses. The default value is 2 (128K memory accesses).") |
| TSAN_FLAG(int, io_sync, 1, |
| "Controls level of synchronization implied by IO operations. " |
| "0 - no synchronization " |
| "1 - reasonable level of synchronization (write->read)" |
| "2 - global synchronization of all IO operations.") |
| TSAN_FLAG(bool, die_after_fork, true, |
| "Die after multi-threaded fork if the child creates new threads.") |
| TSAN_FLAG(const char *, suppressions, "", "Suppressions file name.") |
| TSAN_FLAG(bool, ignore_interceptors_accesses, SANITIZER_MAC ? true : false, |
| "Ignore reads and writes from all interceptors.") |
| TSAN_FLAG(bool, ignore_noninstrumented_modules, SANITIZER_MAC ? true : false, |
| "Interceptors should only detect races when called from instrumented " |
| "modules.") |
| TSAN_FLAG(bool, shared_ptr_interceptor, true, |
| "Track atomic reference counting in libc++ shared_ptr and weak_ptr.") |