mirror of
https://github.com/ClickHouse/ClickHouse.git
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6db73152d2
* Hardening debug build: more granular memory mappings and ASLR; add memory protection for mark cache and index * Addition to prev. revision * Addition to prev. revision * Addition to prev. revision
51 lines
925 B
C++
51 lines
925 B
C++
#pragma once
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#include <cstddef>
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#include <sys/types.h>
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#if !defined(_MSC_VER)
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#include <sys/mman.h>
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#endif
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#if defined(MREMAP_MAYMOVE)
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// we already have implementation (linux)
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#else
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#define MREMAP_MAYMOVE 1
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void * mremap(
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void * old_address,
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size_t old_size,
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size_t new_size,
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int flags = 0,
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int mmap_prot = 0,
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int mmap_flags = 0,
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int mmap_fd = -1,
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off_t mmap_offset = 0);
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#endif
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inline void * clickhouse_mremap(
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void * old_address,
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size_t old_size,
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size_t new_size,
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int flags = 0,
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[[maybe_unused]] int mmap_prot = 0,
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[[maybe_unused]] int mmap_flags = 0,
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[[maybe_unused]] int mmap_fd = -1,
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[[maybe_unused]] off_t mmap_offset = 0)
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{
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return mremap(
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old_address,
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old_size,
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new_size,
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flags
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#if !defined(MREMAP_FIXED)
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,
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mmap_prot,
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mmap_flags,
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mmap_fd,
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mmap_offset
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#endif
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);
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}
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