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Diffstat (limited to 'deps/jemalloc/include/jemalloc/jemalloc_defs.h.in')
| -rw-r--r-- | deps/jemalloc/include/jemalloc/jemalloc_defs.h.in | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/deps/jemalloc/include/jemalloc/jemalloc_defs.h.in b/deps/jemalloc/include/jemalloc/jemalloc_defs.h.in new file mode 100644 index 000000000..d8c81d7cb --- /dev/null +++ b/deps/jemalloc/include/jemalloc/jemalloc_defs.h.in @@ -0,0 +1,158 @@ +#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 + +/* + * 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_ATTR(s) __attribute__((s)) +#else +# define JEMALLOC_ATTR(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_TINY enables support for tiny objects, which are smaller than one + * quantum. + */ +#undef JEMALLOC_TINY + +/* + * 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 + +/* JEMALLOC_SWAP enables mmap()ed swap file support. */ +#undef JEMALLOC_SWAP + +/* 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 + +/* Determine page size at run time if defined. */ +#undef DYNAMIC_PAGE_SHIFT + +/* 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_ */ |