server-skynet-source-3rd-je.../include/jemalloc/jemalloc_defs.h.in
Jason Evans b57d3ec571 Add atomic(9) implementations of atomic operations.
Add atomic(9) implementations of atomic operations.  These are used on
FreeBSD for non-x86 architectures.
2012-04-17 13:27:39 -07:00

242 lines
7.0 KiB
C

/*
* If JEMALLOC_PREFIX is defined via --with-jemalloc-prefix, it will cause all
* public APIs to be prefixed. This makes it possible, with some care, to use
* multiple allocators simultaneously.
*/
#undef JEMALLOC_PREFIX
#undef JEMALLOC_CPREFIX
/*
* Name mangling for public symbols is controlled by --with-mangling and
* --with-jemalloc-prefix. With default settings the je_ prefix is stripped by
* these macro definitions.
*/
#undef je_malloc_conf
#undef je_malloc_message
#undef je_malloc
#undef je_calloc
#undef je_posix_memalign
#undef je_aligned_alloc
#undef je_realloc
#undef je_free
#undef je_malloc_usable_size
#undef je_malloc_stats_print
#undef je_mallctl
#undef je_mallctlnametomib
#undef je_mallctlbymib
#undef je_memalign
#undef je_valloc
#undef je_allocm
#undef je_rallocm
#undef je_sallocm
#undef je_dallocm
#undef je_nallocm
/*
* JEMALLOC_PRIVATE_NAMESPACE is used as a prefix for all library-private APIs.
* For shared libraries, symbol visibility mechanisms prevent these symbols
* from being exported, but for static libraries, naming collisions are a real
* possibility.
*/
#undef JEMALLOC_PRIVATE_NAMESPACE
#undef JEMALLOC_N
/*
* Hyper-threaded CPUs may need a special instruction inside spin loops in
* order to yield to another virtual CPU.
*/
#undef CPU_SPINWAIT
/* Defined if the equivalent of FreeBSD's atomic(9) functions are available. */
#undef JEMALLOC_ATOMIC9
/*
* Defined if OSAtomic*() functions are available, as provided by Darwin, and
* documented in the atomic(3) manual page.
*/
#undef JEMALLOC_OSATOMIC
/*
* Defined if __sync_add_and_fetch(uint32_t *, uint32_t) and
* __sync_sub_and_fetch(uint32_t *, uint32_t) are available, despite
* __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 not being defined (which means the
* functions are defined in libgcc instead of being inlines)
*/
#undef JE_FORCE_SYNC_COMPARE_AND_SWAP_4
/*
* Defined if __sync_add_and_fetch(uint64_t *, uint64_t) and
* __sync_sub_and_fetch(uint64_t *, uint64_t) are available, despite
* __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 not being defined (which means the
* functions are defined in libgcc instead of being inlines)
*/
#undef JE_FORCE_SYNC_COMPARE_AND_SWAP_8
/*
* Defined if OSSpin*() functions are available, as provided by Darwin, and
* documented in the spinlock(3) manual page.
*/
#undef JEMALLOC_OSSPIN
/*
* Defined if _malloc_thread_cleanup() exists. At least in the case of
* FreeBSD, pthread_key_create() allocates, which if used during malloc
* bootstrapping will cause recursion into the pthreads library. Therefore, if
* _malloc_thread_cleanup() exists, use it as the basis for thread cleanup in
* malloc_tsd.
*/
#undef JEMALLOC_MALLOC_THREAD_CLEANUP
/*
* Defined if threaded initialization is known to be safe on this platform.
* Among other things, it must be possible to initialize a mutex without
* triggering allocation in order for threaded allocation to be safe.
*/
#undef JEMALLOC_THREADED_INIT
/*
* Defined if the pthreads implementation defines
* _pthread_mutex_init_calloc_cb(), in which case the function is used in order
* to avoid recursive allocation during mutex initialization.
*/
#undef JEMALLOC_MUTEX_INIT_CB
/* Defined if __attribute__((...)) syntax is supported. */
#undef JEMALLOC_HAVE_ATTR
#ifdef JEMALLOC_HAVE_ATTR
# define JEMALLOC_CATTR(s, a) __attribute__((s))
# define JEMALLOC_ATTR(s) JEMALLOC_CATTR(s,)
#else
# define JEMALLOC_CATTR(s, a) a
# define JEMALLOC_ATTR(s) JEMALLOC_CATTR(s,)
#endif
/* Defined if sbrk() is supported. */
#undef JEMALLOC_HAVE_SBRK
/* Non-empty if the tls_model attribute is supported. */
#undef JEMALLOC_TLS_MODEL
/* JEMALLOC_CC_SILENCE enables code that silences unuseful compiler warnings. */
#undef JEMALLOC_CC_SILENCE
/*
* JEMALLOC_DEBUG enables assertions and other sanity checks, and disables
* inline functions.
*/
#undef JEMALLOC_DEBUG
/* JEMALLOC_STATS enables statistics calculation. */
#undef JEMALLOC_STATS
/* JEMALLOC_PROF enables allocation profiling. */
#undef JEMALLOC_PROF
/* Use libunwind for profile backtracing if defined. */
#undef JEMALLOC_PROF_LIBUNWIND
/* Use libgcc for profile backtracing if defined. */
#undef JEMALLOC_PROF_LIBGCC
/* Use gcc intrinsics for profile backtracing if defined. */
#undef JEMALLOC_PROF_GCC
/*
* JEMALLOC_TCACHE enables a thread-specific caching layer for small objects.
* This makes it possible to allocate/deallocate objects without any locking
* when the cache is in the steady state.
*/
#undef JEMALLOC_TCACHE
/*
* JEMALLOC_DSS enables use of sbrk(2) to allocate chunks from the data storage
* segment (DSS).
*/
#undef JEMALLOC_DSS
/* Support memory filling (junk/zero/quarantine/redzone). */
#undef JEMALLOC_FILL
/* Support the experimental API. */
#undef JEMALLOC_EXPERIMENTAL
/* Support utrace(2)-based tracing. */
#undef JEMALLOC_UTRACE
/* Support Valgrind. */
#undef JEMALLOC_VALGRIND
/* Support optional abort() on OOM. */
#undef JEMALLOC_XMALLOC
/* Support lazy locking (avoid locking unless a second thread is launched). */
#undef JEMALLOC_LAZY_LOCK
/* One page is 2^STATIC_PAGE_SHIFT bytes. */
#undef STATIC_PAGE_SHIFT
/*
* If defined, use munmap() to unmap freed chunks, rather than storing them for
* later reuse. This is automatically disabled if configuration determines
* that common sequences of mmap()/munmap() calls will cause virtual memory map
* holes.
*/
#undef JEMALLOC_MUNMAP
/* TLS is used to map arenas and magazine caches to threads. */
#undef JEMALLOC_TLS
/*
* JEMALLOC_IVSALLOC enables ivsalloc(), which verifies that pointers reside
* within jemalloc-owned chunks before dereferencing them.
*/
#undef JEMALLOC_IVSALLOC
/*
* Define overrides for non-standard allocator-related functions if they
* are present on the system.
*/
#undef JEMALLOC_OVERRIDE_MEMALIGN
#undef JEMALLOC_OVERRIDE_VALLOC
/*
* Darwin (OS X) uses zones to work around Mach-O symbol override shortcomings.
*/
#undef JEMALLOC_ZONE
#undef JEMALLOC_ZONE_VERSION
/* If defined, use mremap(...MREMAP_FIXED...) for huge realloc(). */
#undef JEMALLOC_MREMAP_FIXED
/*
* Methods for purging unused pages differ between operating systems.
*
* madvise(..., MADV_DONTNEED) : On Linux, this immediately discards pages,
* such that new pages will be demand-zeroed if
* the address region is later touched.
* madvise(..., MADV_FREE) : On FreeBSD and Darwin, this marks pages as being
* unused, such that they will be discarded rather
* than swapped out.
*/
#undef JEMALLOC_PURGE_MADVISE_DONTNEED
#undef JEMALLOC_PURGE_MADVISE_FREE
#ifdef JEMALLOC_PURGE_MADVISE_DONTNEED
# define JEMALLOC_MADV_PURGE MADV_DONTNEED
#elif defined(JEMALLOC_PURGE_MADVISE_FREE)
# define JEMALLOC_MADV_PURGE MADV_FREE
#else
# error "No method defined for purging unused dirty pages."
#endif
/* sizeof(void *) == 2^LG_SIZEOF_PTR. */
#undef LG_SIZEOF_PTR
/* sizeof(int) == 2^LG_SIZEOF_INT. */
#undef LG_SIZEOF_INT
/* sizeof(long) == 2^LG_SIZEOF_LONG. */
#undef LG_SIZEOF_LONG
/* sizeof(intmax_t) == 2^LG_SIZEOF_INTMAX_T. */
#undef LG_SIZEOF_INTMAX_T