include/jemalloc/internal/jemalloc_internal_defs.h.in

#ifndef JEMALLOC_INTERNAL_DEFS_H_
#define	JEMALLOC_INTERNAL_DEFS_H_
/*
 * 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

/*
 * 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

/*
 * Hyper-threaded CPUs may need a special instruction inside spin loops in
 * order to yield to another virtual CPU.
 */
#undef CPU_SPINWAIT

/* Defined if C11 atomics are available. */
#undef JEMALLOC_C11ATOMICS

/* 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 __builtin_clz() and __builtin_clzl() are available.
 */
#undef JEMALLOC_HAVE_BUILTIN_CLZ

/*
 * Defined if madvise(2) is available.
 */
#undef JEMALLOC_HAVE_MADVISE

/*
 * 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

/* 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_CODE_COVERAGE enables test code coverage analysis. */
#undef JEMALLOC_CODE_COVERAGE

/*
 * 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 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

/* Minimum size class to support is 2^LG_TINY_MIN bytes. */
#undef LG_TINY_MIN

/*
 * Minimum allocation alignment is 2^LG_QUANTUM bytes (ignoring tiny size
 * classes).
 */
#undef LG_QUANTUM

/* One page is 2^LG_PAGE bytes. */
#undef LG_PAGE

/*
 * 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.
 */
#undef JEMALLOC_MUNMAP

/* TLS is used to map arenas and magazine caches to threads. */
#undef JEMALLOC_TLS

/*
 * ffs()/ffsl() functions to use for bitmapping.  Don't use these directly;
 * instead, use jemalloc_ffs() or jemalloc_ffsl() from util.h.
 */
#undef JEMALLOC_INTERNAL_FFSL
#undef JEMALLOC_INTERNAL_FFS

/*
 * JEMALLOC_IVSALLOC enables ivsalloc(), which verifies that pointers reside
 * within jemalloc-owned chunks before dereferencing them.
 */
#undef JEMALLOC_IVSALLOC

/*
 * 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.
 */
#undef JEMALLOC_PURGE_MADVISE_DONTNEED
#undef JEMALLOC_PURGE_MADVISE_FREE

/* Define if operating system has alloca.h header. */
#undef JEMALLOC_HAS_ALLOCA_H

/* C99 restrict keyword supported. */
#undef JEMALLOC_HAS_RESTRICT

/* For use by hash code. */
#undef JEMALLOC_BIG_ENDIAN

/* 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

/* glibc malloc hooks (__malloc_hook, __realloc_hook, __free_hook). */
#undef JEMALLOC_GLIBC_MALLOC_HOOK

/* glibc memalign hook. */
#undef JEMALLOC_GLIBC_MEMALIGN_HOOK

/* Adaptive mutex support in pthreads. */
#undef JEMALLOC_HAVE_PTHREAD_MUTEX_ADAPTIVE_NP

#endif /* JEMALLOC_INTERNAL_DEFS_H_ */