1//===-- tsan_flags.inc ------------------------------------------*- C++ -*-===// 2// 3// This file is distributed under the University of Illinois Open Source 4// License. See LICENSE.TXT for details. 5// 6//===----------------------------------------------------------------------===// 7// 8// TSan runtime flags. 9// 10//===----------------------------------------------------------------------===// 11#ifndef TSAN_FLAG 12# error "Define TSAN_FLAG prior to including this file!" 13#endif 14 15// TSAN_FLAG(Type, Name, DefaultValue, Description) 16// See COMMON_FLAG in sanitizer_flags.inc for more details. 17 18TSAN_FLAG(bool, enable_annotations, true, 19 "Enable dynamic annotations, otherwise they are no-ops.") 20// Suppress a race report if we've already output another race report 21// with the same stack. 22TSAN_FLAG(bool, suppress_equal_stacks, true, 23 "Suppress a race report if we've already output another race report " 24 "with the same stack.") 25TSAN_FLAG(bool, suppress_equal_addresses, true, 26 "Suppress a race report if we've already output another race report " 27 "on the same address.") 28 29TSAN_FLAG(bool, report_bugs, true, 30 "Turns off bug reporting entirely (useful for benchmarking).") 31TSAN_FLAG(bool, report_thread_leaks, true, "Report thread leaks at exit?") 32TSAN_FLAG(bool, report_destroy_locked, true, 33 "Report destruction of a locked mutex?") 34TSAN_FLAG(bool, report_mutex_bugs, true, 35 "Report incorrect usages of mutexes and mutex annotations?") 36TSAN_FLAG(bool, report_signal_unsafe, true, 37 "Report violations of async signal-safety " 38 "(e.g. malloc() call from a signal handler).") 39TSAN_FLAG(bool, report_atomic_races, true, 40 "Report races between atomic and plain memory accesses.") 41TSAN_FLAG( 42 bool, force_seq_cst_atomics, false, 43 "If set, all atomics are effectively sequentially consistent (seq_cst), " 44 "regardless of what user actually specified.") 45TSAN_FLAG(bool, print_benign, false, "Print matched \"benign\" races at exit.") 46TSAN_FLAG(bool, halt_on_error, false, "Exit after first reported error.") 47TSAN_FLAG(int, atexit_sleep_ms, 1000, 48 "Sleep in main thread before exiting for that many ms " 49 "(useful to catch \"at exit\" races).") 50TSAN_FLAG(const char *, profile_memory, "", 51 "If set, periodically write memory profile to that file.") 52TSAN_FLAG(int, flush_memory_ms, 0, "Flush shadow memory every X ms.") 53TSAN_FLAG(int, flush_symbolizer_ms, 5000, "Flush symbolizer caches every X ms.") 54TSAN_FLAG( 55 int, memory_limit_mb, 0, 56 "Resident memory limit in MB to aim at." 57 "If the process consumes more memory, then TSan will flush shadow memory.") 58TSAN_FLAG(bool, stop_on_start, false, 59 "Stops on start until __tsan_resume() is called (for debugging).") 60TSAN_FLAG(bool, running_on_valgrind, false, 61 "Controls whether RunningOnValgrind() returns true or false.") 62// There are a lot of goroutines in Go, so we use smaller history. 63TSAN_FLAG( 64 int, history_size, SANITIZER_GO ? 1 : 3, 65 "Per-thread history size, controls how many previous memory accesses " 66 "are remembered per thread. Possible values are [0..7]. " 67 "history_size=0 amounts to 32K memory accesses. Each next value doubles " 68 "the amount of memory accesses, up to history_size=7 that amounts to " 69 "4M memory accesses. The default value is 2 (128K memory accesses).") 70TSAN_FLAG(int, io_sync, 1, 71 "Controls level of synchronization implied by IO operations. " 72 "0 - no synchronization " 73 "1 - reasonable level of synchronization (write->read)" 74 "2 - global synchronization of all IO operations.") 75TSAN_FLAG(bool, die_after_fork, true, 76 "Die after multi-threaded fork if the child creates new threads.") 77TSAN_FLAG(const char *, suppressions, "", "Suppressions file name.") 78TSAN_FLAG(bool, ignore_interceptors_accesses, false, 79 "Ignore reads and writes from all interceptors.") 80TSAN_FLAG(bool, ignore_noninstrumented_modules, SANITIZER_MAC ? true : false, 81 "Interceptors should only detect races when called from instrumented " 82 "modules.") 83TSAN_FLAG(bool, shared_ptr_interceptor, true, 84 "Track atomic reference counting in libc++ shared_ptr and weak_ptr.") 85