/* * 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 #define HAVE_FEATURES_H /* * 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. */ #define je_malloc_conf je_malloc_conf #define je_malloc_message je_malloc_message #define je_malloc je_malloc #define je_calloc je_calloc #define je_posix_memalign je_posix_memalign #define je_aligned_alloc je_aligned_alloc #define je_realloc je_realloc #define je_free je_free #define je_malloc_usable_size je_malloc_usable_size #define je_malloc_stats_print je_malloc_stats_print #define je_mallctl je_mallctl #define je_mallctlnametomib je_mallctlnametomib #define je_mallctlbymib je_mallctlbymib #define je_memalign je_memalign #define je_valloc je_valloc #define je_allocm je_allocm #define je_rallocm je_rallocm #define je_sallocm je_sallocm #define je_dallocm je_dallocm #define je_nallocm 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 #define JEMALLOC_N(x) x /* * Hyper-threaded CPUs may need a special instruction inside spin loops in * order to yield to another virtual CPU. */ #define CPU_SPINWAIT __asm__ volatile("pause") /* 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. */ #define JEMALLOC_HAVE_ATTR #ifdef JEMALLOC_HAVE_ATTR # define JEMALLOC_ATTR(s) __attribute__((s)) # define JEMALLOC_EXPORT JEMALLOC_ATTR(visibility("default")) # define JEMALLOC_ALIGNED(s) JEMALLOC_ATTR(aligned(s)) # define JEMALLOC_SECTION(s) JEMALLOC_ATTR(section(s)) # define JEMALLOC_NOINLINE JEMALLOC_ATTR(noinline) #elif _MSC_VER # define JEMALLOC_ATTR(s) # ifdef DLLEXPORT # define JEMALLOC_EXPORT __declspec(dllexport) # else # define JEMALLOC_EXPORT __declspec(dllimport) # endif # define JEMALLOC_ALIGNED(s) __declspec(align(s)) # define JEMALLOC_SECTION(s) __declspec(allocate(s)) # define JEMALLOC_NOINLINE __declspec(noinline) #else # define JEMALLOC_ATTR(s) # define JEMALLOC_EXPORT # define JEMALLOC_ALIGNED(s) # define JEMALLOC_SECTION(s) # define JEMALLOC_NOINLINE #endif /* Defined if sbrk() is supported. */ #define JEMALLOC_HAVE_SBRK /* Non-empty if the tls_model attribute is supported. */ #define JEMALLOC_TLS_MODEL __attribute__((tls_model("initial-exec"))) /* JEMALLOC_CC_SILENCE enables code that silences unuseful compiler warnings. */ #define JEMALLOC_CC_SILENCE /* * JEMALLOC_DEBUG enables assertions and other sanity checks, and disables * inline functions. */ #undef JEMALLOC_DEBUG /* JEMALLOC_STATS enables statistics calculation. */ #define 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. */ #define 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. */ #define JEMALLOC_EXPERIMENTAL /* Support utrace(2)-based tracing. */ #undef JEMALLOC_UTRACE /* Support Valgrind. */ #undef JEMALLOC_VALGRIND /* Support optional abort() on OOM. */ #define 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. */ #define STATIC_PAGE_SHIFT 12 /* * If defined, use munmap() to unmap freed chunks, rather than storing them for * later reuse. This is disabled by default on Linux because common sequences * of mmap()/munmap() calls will cause virtual memory map holes. */ #define JEMALLOC_MUNMAP /* * If defined, use mremap(...MREMAP_FIXED...) for huge realloc(). This is * disabled by default because it is Linux-specific and it will cause virtual * memory map holes, much like munmap(2) does. */ #undef JEMALLOC_MREMAP /* TLS is used to map arenas and magazine caches to threads. */ #define 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. */ #define JEMALLOC_OVERRIDE_MEMALIGN #define JEMALLOC_OVERRIDE_VALLOC /* * At least Linux omits the "const" in: * * size_t malloc_usable_size(const void *ptr); * * Match the operating system's prototype. */ #define JEMALLOC_USABLE_SIZE_CONST /* * Darwin (OS X) uses zones to work around Mach-O symbol override shortcomings. */ /* #undef JEMALLOC_ZONE */ /* #undef JEMALLOC_ZONE_VERSION */ /* * 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. */ #define JEMALLOC_PURGE_MADVISE_DONTNEED /* #undef JEMALLOC_PURGE_MADVISE_FREE */ /* sizeof(void *) == 2^LG_SIZEOF_PTR. */ #define LG_SIZEOF_PTR 3 /* sizeof(int) == 2^LG_SIZEOF_INT. */ #define LG_SIZEOF_INT 2 /* sizeof(long) == 2^LG_SIZEOF_LONG. */ #define LG_SIZEOF_LONG 3 /* sizeof(intmax_t) == 2^LG_SIZEOF_INTMAX_T. */ #define LG_SIZEOF_INTMAX_T 3