/* 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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#ifdef __x86_64__
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#define CPU_SPINWAIT __asm__ volatile("pause")
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#else
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#define CPU_SPINWAIT
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#endif
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/* Defined if C11 atomics are available. */
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#define JEMALLOC_C11ATOMICS 1
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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 __builtin_clz() and __builtin_clzl() are available.
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*/
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#define JEMALLOC_HAVE_BUILTIN_CLZ
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/*
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* Defined if os_unfair_lock_*() functions are available, as provided by Darwin.
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*/
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/* #undef JEMALLOC_OS_UNFAIR_LOCK */
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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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/* Defined if syscall(2) is usable. */
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#define JEMALLOC_USE_SYSCALL
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/*
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* Defined if secure_getenv(3) is available.
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*/
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/* #undef JEMALLOC_HAVE_SECURE_GETENV */
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/*
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* Defined if issetugid(2) is available.
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*/
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/* #undef JEMALLOC_HAVE_ISSETUGID */
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/* Defined if pthread_atfork(3) is available. */
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/* TODO(asmundak): if this is defined for host build, we get:
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"~/prebuilts/clang/host/linux-x86/clang-r328903/bin/ld.lld: error: can't create dynamic relocation R_X86_64_32
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against symbol: __dso_handle in readonly segment; recompile object files with -fPIC or pass '-Wl,-z,notext'
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to allow text relocations in the output
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>>> defined in prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/lib/gcc/x86_64-linux/4.8/crtbeginS.o
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>>> referenced by pthread_atfork.c:57
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>>> pthread_atfork.o:(__pthread_atfork) in archive
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>>> prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/lib/libpthread.a"
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*/
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/* #undef JEMALLOC_HAVE_PTHREAD_ATFORK */
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/*
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* Defined if clock_gettime(CLOCK_MONOTONIC_COARSE, ...) is available.
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*/
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#define JEMALLOC_HAVE_CLOCK_MONOTONIC_COARSE 1
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/*
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* Defined if clock_gettime(CLOCK_MONOTONIC, ...) is available.
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*/
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#define JEMALLOC_HAVE_CLOCK_MONOTONIC 1
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/*
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* Defined if mach_absolute_time() is available.
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*/
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/* #undef JEMALLOC_HAVE_MACH_ABSOLUTE_TIME */
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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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#define 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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/* Non-empty if the tls_model attribute is supported. */
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#define JEMALLOC_TLS_MODEL __attribute__((tls_model("initial-exec")))
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/* JEMALLOC_CC_SILENCE enables code that silences unuseful compiler warnings. */
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#define 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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#define 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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/* Minimum size class to support is 2^LG_TINY_MIN bytes. */
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#define LG_TINY_MIN 3
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/*
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* Minimum allocation alignment is 2^LG_QUANTUM bytes (ignoring tiny size
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* classes).
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*/
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/* #undef LG_QUANTUM */
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/* One page is 2^LG_PAGE bytes. */
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#define LG_PAGE 12
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/*
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* If defined, adjacent virtual memory mappings with identical attributes
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* automatically coalesce, and they fragment when changes are made to subranges.
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* This is the normal order of things for mmap()/munmap(), but on Windows
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* VirtualAlloc()/VirtualFree() operations must be precisely matched, i.e.
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* mappings do *not* coalesce/fragment.
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*/
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#define JEMALLOC_MAPS_COALESCE
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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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/* #undef JEMALLOC_MUNMAP */
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/* TLS is used to map arenas and magazine caches to threads. */
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#define JEMALLOC_TLS
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/*
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* Used to mark unreachable code to quiet "end of non-void" compiler warnings.
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* Don't use this directly; instead use unreachable() from util.h
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*/
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#define JEMALLOC_INTERNAL_UNREACHABLE __builtin_unreachable
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/*
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* ffs*() functions to use for bitmapping. Don't use these directly; instead,
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* use ffs_*() from util.h.
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*/
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#define JEMALLOC_INTERNAL_FFSLL __builtin_ffsll
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#define JEMALLOC_INTERNAL_FFSL __builtin_ffsl
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#define JEMALLOC_INTERNAL_FFS __builtin_ffs
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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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* If defined, explicitly attempt to more uniformly distribute large allocation
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* pointer alignments across all cache indices.
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*/
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#define JEMALLOC_CACHE_OBLIVIOUS
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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 determining whether the OS overcommits.
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* JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY: Linux's
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* /proc/sys/vm.overcommit_memory file.
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* JEMALLOC_SYSCTL_VM_OVERCOMMIT: FreeBSD's vm.overcommit sysctl.
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*/
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/* #undef JEMALLOC_SYSCTL_VM_OVERCOMMIT */
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#define JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY
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/* Defined if madvise(2) is available. */
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#define JEMALLOC_HAVE_MADVISE
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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_FREE) : This marks pages as being unused, such that they
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* will be discarded rather than swapped out.
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* madvise(..., MADV_DONTNEED) : This immediately discards pages, such that
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* new pages will be demand-zeroed if the
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* address region is later touched.
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*/
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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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* Defined if transparent huge pages are supported via the MADV_[NO]HUGEPAGE
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* arguments to madvise(2).
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*/
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/* ANDROID: Do not enable huge pages because it can increase PSS. */
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#define JEMALLOC_THP
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/* Define if operating system has alloca.h header. */
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#define JEMALLOC_HAS_ALLOCA_H 1
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/* C99 restrict keyword supported. */
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#define JEMALLOC_HAS_RESTRICT 1
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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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/* sizeof(long) == 2^LG_SIZEOF_LONG. */
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#ifdef __LP64__
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#define LG_SIZEOF_LONG 3
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#else
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#define LG_SIZEOF_LONG 2
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#endif
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/* sizeof(long long) == 2^LG_SIZEOF_LONG_LONG. */
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#define LG_SIZEOF_LONG_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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/* glibc malloc hooks (__malloc_hook, __realloc_hook, __free_hook). */
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#define JEMALLOC_GLIBC_MALLOC_HOOK
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/* glibc memalign hook. */
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#define JEMALLOC_GLIBC_MEMALIGN_HOOK
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/* Adaptive mutex support in pthreads. */
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#define JEMALLOC_HAVE_PTHREAD_MUTEX_ADAPTIVE_NP
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/*
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* If defined, jemalloc symbols are not exported (doesn't work when
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* JEMALLOC_PREFIX is not defined).
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*/
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/* #undef JEMALLOC_EXPORT */
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/* config.malloc_conf options string. */
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#define JEMALLOC_CONFIG_MALLOC_CONF ""
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#endif /* JEMALLOC_INTERNAL_DEFS_H_ */
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