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1//===-- 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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef SCUDO_FLAG10#error "Define SCUDO_FLAG prior to including this file!"11#endif12 13SCUDO_FLAG(int, quarantine_size_kb, 0,14 "Size (in kilobytes) of quarantine used to delay the actual "15 "deallocation of chunks. Lower value may reduce memory usage but "16 "decrease the effectiveness of the mitigation.")17 18SCUDO_FLAG(int, thread_local_quarantine_size_kb, 0,19 "Size (in kilobytes) of per-thread cache used to offload the global "20 "quarantine. Lower value may reduce memory usage but might increase "21 "the contention on the global quarantine.")22 23SCUDO_FLAG(int, quarantine_max_chunk_size, 0,24 "Size (in bytes) up to which chunks will be quarantined (if lower "25 "than or equal to).")26 27SCUDO_FLAG(bool, dealloc_type_mismatch, false,28 "Terminate on a type mismatch in allocation-deallocation functions, "29 "eg: malloc/delete, new/free, new/delete[], etc.")30 31SCUDO_FLAG(bool, delete_size_mismatch, true,32 "Terminate on a size mismatch between a sized-delete and the actual "33 "size of a chunk (as provided to new/new[]).")34 35SCUDO_FLAG(bool, zero_contents, false, "Zero chunk contents on allocation.")36 37SCUDO_FLAG(bool, pattern_fill_contents, false,38 "Pattern fill chunk contents on allocation.")39 40SCUDO_FLAG(bool, may_return_null, true,41 "Indicate whether the allocator should terminate instead of "42 "returning NULL in otherwise non-fatal error scenarios, eg: OOM, "43 "invalid allocation alignments, etc.")44 45SCUDO_FLAG(int, release_to_os_interval_ms, 5000,46 "Interval (in milliseconds) at which to attempt release of unused "47 "memory to the OS. Negative values disable the feature.")48 49SCUDO_FLAG(int, allocation_ring_buffer_size, 32768,50 "Entries to keep in the allocation ring buffer for scudo. "51 "Values less or equal to zero disable the buffer.")52