//===-- 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 // //===----------------------------------------------------------------------===// #ifndef SCUDO_FLAG #error "Define SCUDO_FLAG prior to including this file!" #endif SCUDO_FLAG(int, quarantine_size_kb, 0, "Size (in kilobytes) of quarantine used to delay the actual " "deallocation of chunks. Lower value may reduce memory usage but " "decrease the effectiveness of the mitigation.") SCUDO_FLAG(int, thread_local_quarantine_size_kb, 0, "Size (in kilobytes) of per-thread cache used to offload the global " "quarantine. Lower value may reduce memory usage but might increase " "the contention on the global quarantine.") SCUDO_FLAG(int, quarantine_max_chunk_size, 0, "Size (in bytes) up to which chunks will be quarantined (if lower " "than or equal to).") SCUDO_FLAG(bool, dealloc_type_mismatch, false, "Terminate on a type mismatch in allocation-deallocation functions, " "eg: malloc/delete, new/free, new/delete[], etc.") SCUDO_FLAG(bool, delete_size_mismatch, true, "Terminate on a size mismatch between a sized-delete and the actual " "size of a chunk (as provided to new/new[]).") SCUDO_FLAG(bool, zero_contents, false, "Zero chunk contents on allocation.") SCUDO_FLAG(int, rss_limit_mb, -1, "Enforce an upper limit (in megabytes) to the process RSS. The " "allocator will terminate or return NULL when allocations are " "attempted past that limit (depending on may_return_null). Negative " "values disable the feature.") SCUDO_FLAG(bool, may_return_null, true, "Indicate whether the allocator should terminate instead of " "returning NULL in otherwise non-fatal error scenarios, eg: OOM, " "invalid allocation alignments, etc.") SCUDO_FLAG(int, release_to_os_interval_ms, 5000, "Interval (in milliseconds) at which to attempt release of unused " "memory to the OS. Negative values disable the feature.")