10b57cec5SDimitry Andric//===-- flags.inc -----------------------------------------------*- C++ -*-===// 20b57cec5SDimitry Andric// 30b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric// 70b57cec5SDimitry Andric//===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric 90b57cec5SDimitry Andric#ifndef SCUDO_FLAG 100b57cec5SDimitry Andric#error "Define SCUDO_FLAG prior to including this file!" 110b57cec5SDimitry Andric#endif 120b57cec5SDimitry Andric 130b57cec5SDimitry AndricSCUDO_FLAG(int, quarantine_size_kb, 0, 140b57cec5SDimitry Andric "Size (in kilobytes) of quarantine used to delay the actual " 150b57cec5SDimitry Andric "deallocation of chunks. Lower value may reduce memory usage but " 160b57cec5SDimitry Andric "decrease the effectiveness of the mitigation.") 170b57cec5SDimitry Andric 180b57cec5SDimitry AndricSCUDO_FLAG(int, thread_local_quarantine_size_kb, 0, 190b57cec5SDimitry Andric "Size (in kilobytes) of per-thread cache used to offload the global " 200b57cec5SDimitry Andric "quarantine. Lower value may reduce memory usage but might increase " 210b57cec5SDimitry Andric "the contention on the global quarantine.") 220b57cec5SDimitry Andric 230b57cec5SDimitry AndricSCUDO_FLAG(int, quarantine_max_chunk_size, 0, 240b57cec5SDimitry Andric "Size (in bytes) up to which chunks will be quarantined (if lower " 250b57cec5SDimitry Andric "than or equal to).") 260b57cec5SDimitry Andric 270b57cec5SDimitry AndricSCUDO_FLAG(bool, dealloc_type_mismatch, false, 280b57cec5SDimitry Andric "Terminate on a type mismatch in allocation-deallocation functions, " 290b57cec5SDimitry Andric "eg: malloc/delete, new/free, new/delete[], etc.") 300b57cec5SDimitry Andric 310b57cec5SDimitry AndricSCUDO_FLAG(bool, delete_size_mismatch, true, 320b57cec5SDimitry Andric "Terminate on a size mismatch between a sized-delete and the actual " 330b57cec5SDimitry Andric "size of a chunk (as provided to new/new[]).") 340b57cec5SDimitry Andric 350b57cec5SDimitry AndricSCUDO_FLAG(bool, zero_contents, false, "Zero chunk contents on allocation.") 360b57cec5SDimitry Andric 375ffd83dbSDimitry AndricSCUDO_FLAG(bool, pattern_fill_contents, false, 385ffd83dbSDimitry Andric "Pattern fill chunk contents on allocation.") 395ffd83dbSDimitry Andric 400b57cec5SDimitry AndricSCUDO_FLAG(bool, may_return_null, true, 410b57cec5SDimitry Andric "Indicate whether the allocator should terminate instead of " 420b57cec5SDimitry Andric "returning NULL in otherwise non-fatal error scenarios, eg: OOM, " 430b57cec5SDimitry Andric "invalid allocation alignments, etc.") 440b57cec5SDimitry Andric 45*0fca6ea1SDimitry AndricSCUDO_FLAG(int, release_to_os_interval_ms, 5000, 460b57cec5SDimitry Andric "Interval (in milliseconds) at which to attempt release of unused " 470b57cec5SDimitry Andric "memory to the OS. Negative values disable the feature.") 48bdd1243dSDimitry Andric 49bdd1243dSDimitry AndricSCUDO_FLAG(int, allocation_ring_buffer_size, 32768, 505f757f3fSDimitry Andric "Entries to keep in the allocation ring buffer for scudo. " 515f757f3fSDimitry Andric "Values less or equal to zero disable the buffer.") 52