245 lines
7.3 KiB
C
245 lines
7.3 KiB
C
/* include/jemalloc/internal/jemalloc_internal_defs.h. Generated from jemalloc_internal_defs.h.in by configure. */
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#ifndef JEMALLOC_INTERNAL_DEFS_H_
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#define JEMALLOC_INTERNAL_DEFS_H_
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/*
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* If JEMALLOC_PREFIX is defined via --with-jemalloc-prefix, it will cause all
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* public APIs to be prefixed. This makes it possible, with some care, to use
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* multiple allocators simultaneously.
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*/
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/* #undef JEMALLOC_PREFIX */
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/* #undef JEMALLOC_CPREFIX */
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/*
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* JEMALLOC_PRIVATE_NAMESPACE is used as a prefix for all library-private APIs.
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* For shared libraries, symbol visibility mechanisms prevent these symbols
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* from being exported, but for static libraries, naming collisions are a real
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* possibility.
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*/
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#define JEMALLOC_PRIVATE_NAMESPACE je_
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/*
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* Hyper-threaded CPUs may need a special instruction inside spin loops in
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* order to yield to another virtual CPU.
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*/
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#define CPU_SPINWAIT __asm__ volatile("pause")
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/* Defined if the equivalent of FreeBSD's atomic(9) functions are available. */
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/* #undef JEMALLOC_ATOMIC9 */
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/*
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* Defined if OSAtomic*() functions are available, as provided by Darwin, and
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* documented in the atomic(3) manual page.
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*/
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/* #undef JEMALLOC_OSATOMIC */
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/*
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* Defined if __sync_add_and_fetch(uint32_t *, uint32_t) and
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* __sync_sub_and_fetch(uint32_t *, uint32_t) are available, despite
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* __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 not being defined (which means the
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* functions are defined in libgcc instead of being inlines)
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*/
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/* #undef JE_FORCE_SYNC_COMPARE_AND_SWAP_4 */
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/*
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* Defined if __sync_add_and_fetch(uint64_t *, uint64_t) and
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* __sync_sub_and_fetch(uint64_t *, uint64_t) are available, despite
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* __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 not being defined (which means the
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* functions are defined in libgcc instead of being inlines)
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*/
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/* #undef JE_FORCE_SYNC_COMPARE_AND_SWAP_8 */
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/*
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* Defined if OSSpin*() functions are available, as provided by Darwin, and
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* documented in the spinlock(3) manual page.
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*/
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/* #undef JEMALLOC_OSSPIN */
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/*
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* Defined if _malloc_thread_cleanup() exists. At least in the case of
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* FreeBSD, pthread_key_create() allocates, which if used during malloc
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* bootstrapping will cause recursion into the pthreads library. Therefore, if
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* _malloc_thread_cleanup() exists, use it as the basis for thread cleanup in
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* malloc_tsd.
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*/
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/* #undef JEMALLOC_MALLOC_THREAD_CLEANUP */
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/*
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* Defined if threaded initialization is known to be safe on this platform.
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* Among other things, it must be possible to initialize a mutex without
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* triggering allocation in order for threaded allocation to be safe.
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*/
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/* #undef JEMALLOC_THREADED_INIT */
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/*
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* Defined if the pthreads implementation defines
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* _pthread_mutex_init_calloc_cb(), in which case the function is used in order
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* to avoid recursive allocation during mutex initialization.
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*/
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/* #undef JEMALLOC_MUTEX_INIT_CB */
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#define JEMALLOC_MANGLE
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/* Defined if sbrk() is supported. */
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#define JEMALLOC_HAVE_SBRK
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/* Non-empty if the tls_model attribute is supported. */
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#define JEMALLOC_TLS_MODEL
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/* JEMALLOC_CC_SILENCE enables code that silences unuseful compiler warnings. */
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/* #undef JEMALLOC_CC_SILENCE */
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/* JEMALLOC_CODE_COVERAGE enables test code coverage analysis. */
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/* #undef JEMALLOC_CODE_COVERAGE */
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/*
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* JEMALLOC_DEBUG enables assertions and other sanity checks, and disables
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* inline functions.
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*/
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/* #undef JEMALLOC_DEBUG */
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/* JEMALLOC_STATS enables statistics calculation. */
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#define JEMALLOC_STATS
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/* JEMALLOC_PROF enables allocation profiling. */
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/* #undef JEMALLOC_PROF */
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/* Use libunwind for profile backtracing if defined. */
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/* #undef JEMALLOC_PROF_LIBUNWIND */
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/* Use libgcc for profile backtracing if defined. */
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/* #undef JEMALLOC_PROF_LIBGCC */
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/* Use gcc intrinsics for profile backtracing if defined. */
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/* #undef JEMALLOC_PROF_GCC */
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/*
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* JEMALLOC_TCACHE enables a thread-specific caching layer for small objects.
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* This makes it possible to allocate/deallocate objects without any locking
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* when the cache is in the steady state.
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*/
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//#define JEMALLOC_TCACHE
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/*
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* JEMALLOC_DSS enables use of sbrk(2) to allocate chunks from the data storage
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* segment (DSS).
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*/
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/* #undef JEMALLOC_DSS */
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/* Support memory filling (junk/zero/quarantine/redzone). */
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#define JEMALLOC_FILL
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/* Support utrace(2)-based tracing. */
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/* #undef JEMALLOC_UTRACE */
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/* Support Valgrind. */
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/* #undef JEMALLOC_VALGRIND */
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/* Support optional abort() on OOM. */
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/* #undef JEMALLOC_XMALLOC */
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/* Support lazy locking (avoid locking unless a second thread is launched). */
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/* #undef JEMALLOC_LAZY_LOCK */
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/* One page is 2^STATIC_PAGE_SHIFT bytes. */
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#ifdef _WIN32
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#define STATIC_PAGE_SHIFT 12
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#else
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#define STATIC_PAGE_SHIFT 16
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#endif
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/*
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* If defined, use munmap() to unmap freed chunks, rather than storing them for
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* later reuse. This is disabled by default on Linux because common sequences
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* of mmap()/munmap() calls will cause virtual memory map holes.
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*/
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#define JEMALLOC_MUNMAP
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/*
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* If defined, use mremap(...MREMAP_FIXED...) for huge realloc(). This is
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* disabled by default because it is Linux-specific and it will cause virtual
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* memory map holes, much like munmap(2) does.
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*/
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/* #undef JEMALLOC_MREMAP */
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/* TLS is used to map arenas and magazine caches to threads. */
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#if !defined(_MSC_VER)
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#define JEMALLOC_TLS
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#endif
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#if defined(_MSC_VER) && (_MSC_VER >= 1500)
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#ifndef __thread
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//#define __thread __declspec(thread)
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#endif
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#endif /* _MSC_VER */
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/*
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* JEMALLOC_IVSALLOC enables ivsalloc(), which verifies that pointers reside
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* within jemalloc-owned chunks before dereferencing them.
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*/
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/* #undef JEMALLOC_IVSALLOC */
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/*
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* Darwin (OS X) uses zones to work around Mach-O symbol override shortcomings.
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*/
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/* #undef JEMALLOC_ZONE */
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/* #undef JEMALLOC_ZONE_VERSION */
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/*
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* Methods for purging unused pages differ between operating systems.
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*
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* madvise(..., MADV_DONTNEED) : On Linux, this immediately discards pages,
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* such that new pages will be demand-zeroed if
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* the address region is later touched.
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* madvise(..., MADV_FREE) : On FreeBSD and Darwin, this marks pages as being
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* unused, such that they will be discarded rather
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* than swapped out.
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*/
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/* #undef JEMALLOC_PURGE_MADVISE_DONTNEED */
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/* #undef JEMALLOC_PURGE_MADVISE_FREE */
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#define JEMALLOC_PURGE_MADVISE_DONTNEED
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/*
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* Define if operating system has alloca.h header.
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*/
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/* #undef JEMALLOC_HAS_ALLOCA_H */
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/* C99 restrict keyword supported. */
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#if (defined(_MSC_VER) && (_MSC_VER >= 1500)) || !defined(_MSC_VER)
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#define JEMALLOC_HAS_RESTRICT 1
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#endif
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/* For use by hash code. */
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/* #undef JEMALLOC_BIG_ENDIAN */
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/* sizeof(int) == 2^LG_SIZEOF_INT. */
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#define LG_SIZEOF_INT 2
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#if defined(_WIN32) || defined(_M_IX86)
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/* sizeof(long) == 2^LG_SIZEOF_LONG. */
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#define LG_SIZEOF_LONG 2
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/* sizeof(intmax_t) == 2^LG_SIZEOF_INTMAX_T. */
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#define LG_SIZEOF_INTMAX_T 2
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#elif defined(_WIN64) || defined(_M_X64)
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/* sizeof(long) == 2^LG_SIZEOF_LONG. */
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#define LG_SIZEOF_LONG 3
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/* sizeof(intmax_t) == 2^LG_SIZEOF_INTMAX_T. */
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#define LG_SIZEOF_INTMAX_T 3
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#else
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/* sizeof(long) == 2^LG_SIZEOF_LONG. */
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#define LG_SIZEOF_LONG 2
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/* sizeof(intmax_t) == 2^LG_SIZEOF_INTMAX_T. */
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#define LG_SIZEOF_INTMAX_T 2
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#endif /* _WIN32 || _M_IX86 */
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#endif /* JEMALLOC_INTERNAL_DEFS_H_ */
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