#ifndef JEMALLOC_DEFS_H_
#define	JEMALLOC_DEFS_H_

/*
 * If JEMALLOC_PREFIX is defined, it will cause all public APIs to be prefixed.
 * This makes it possible, with some care, to use multiple allocators
 * simultaneously.
 *
 * In many cases it is more convenient to manually prefix allocator function
 * calls than to let macros do it automatically, particularly when using
 * multiple allocators simultaneously.  Define JEMALLOC_MANGLE before
 * #include'ing jemalloc.h in order to cause name mangling that corresponds to
 * the API prefixing.
 */
#undef JEMALLOC_PREFIX
#undef JEMALLOC_CPREFIX
#if (defined(JEMALLOC_PREFIX) && defined(JEMALLOC_MANGLE))
#undef JEMALLOC_P
#endif

/*
 * 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 OSAtomic*() functions are available, as provided by Darwin, and
 * documented in the atomic(3) manual page.
 */
#undef JEMALLOC_OSATOMIC

/*
 * Defined if OSSpin*() functions are available, as provided by Darwin, and
 * documented in the spinlock(3) manual page.
 */
#undef JEMALLOC_OSSPIN

/* 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

/* 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). */
#undef JEMALLOC_FILL

/* Support optional abort() on OOM. */
#undef JEMALLOC_XMALLOC

/* Support SYSV semantics. */
#undef JEMALLOC_SYSV

/* 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

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

/* 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

#endif /* JEMALLOC_DEFS_H_ */