diff options
Diffstat (limited to 'contrib/jemalloc/include/jemalloc/internal/jemalloc_internal_defs.h')
| -rw-r--r-- | contrib/jemalloc/include/jemalloc/internal/jemalloc_internal_defs.h | 91 |
1 files changed, 74 insertions, 17 deletions
diff --git a/contrib/jemalloc/include/jemalloc/internal/jemalloc_internal_defs.h b/contrib/jemalloc/include/jemalloc/internal/jemalloc_internal_defs.h index 1ca25573a128..fa871fbfaee0 100644 --- a/contrib/jemalloc/include/jemalloc/internal/jemalloc_internal_defs.h +++ b/contrib/jemalloc/include/jemalloc/internal/jemalloc_internal_defs.h @@ -23,6 +23,9 @@ */ #define CPU_SPINWAIT __asm__ volatile("pause") +/* Defined if C11 atomics are available. */ +/* #undef JEMALLOC_C11ATOMICS */ + /* Defined if the equivalent of FreeBSD's atomic(9) functions are available. */ #define JEMALLOC_ATOMIC9 1 @@ -36,7 +39,7 @@ * 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) + * functions are defined in libgcc instead of being inlines). */ /* #undef JE_FORCE_SYNC_COMPARE_AND_SWAP_4 */ @@ -44,17 +47,37 @@ * 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) + * 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. + */ +#define JEMALLOC_HAVE_BUILTIN_CLZ + +/* + * Defined if madvise(2) is available. + */ +#define 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 secure_getenv(3) is available. + */ +/* #undef JEMALLOC_HAVE_SECURE_GETENV */ + +/* + * Defined if issetugid(2) is available. + */ +#define JEMALLOC_HAVE_ISSETUGID + +/* * 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 @@ -77,9 +100,6 @@ */ #define JEMALLOC_MUTEX_INIT_CB 1 -/* 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"))) @@ -138,8 +158,26 @@ /* Support lazy locking (avoid locking unless a second thread is launched). */ #define JEMALLOC_LAZY_LOCK -/* One page is 2^STATIC_PAGE_SHIFT bytes. */ -#define STATIC_PAGE_SHIFT 12 +/* Minimum size class to support is 2^LG_TINY_MIN bytes. */ +#define LG_TINY_MIN 3 + +/* + * Minimum allocation alignment is 2^LG_QUANTUM bytes (ignoring tiny size + * classes). + */ +/* #undef LG_QUANTUM */ + +/* One page is 2^LG_PAGE bytes. */ +#define LG_PAGE 12 + +/* + * If defined, adjacent virtual memory mappings with identical attributes + * automatically coalesce, and they fragment when changes are made to subranges. + * This is the normal order of things for mmap()/munmap(), but on Windows + * VirtualAlloc()/VirtualFree() operations must be precisely matched, i.e. + * mappings do *not* coalesce/fragment. + */ +#define JEMALLOC_MAPS_COALESCE /* * If defined, use munmap() to unmap freed chunks, rather than storing them for @@ -148,23 +186,29 @@ */ #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 /* + * ffs()/ffsl() functions to use for bitmapping. Don't use these directly; + * instead, use jemalloc_ffs() or jemalloc_ffsl() from util.h. + */ +#define JEMALLOC_INTERNAL_FFSL __builtin_ffsl +#define JEMALLOC_INTERNAL_FFS __builtin_ffs + +/* * JEMALLOC_IVSALLOC enables ivsalloc(), which verifies that pointers reside * within jemalloc-owned chunks before dereferencing them. */ /* #undef JEMALLOC_IVSALLOC */ /* + * If defined, explicitly attempt to more uniformly distribute large allocation + * pointer alignments across all cache indices. + */ +#define JEMALLOC_CACHE_OBLIVIOUS + +/* * Darwin (OS X) uses zones to work around Mach-O symbol override shortcomings. */ /* #undef JEMALLOC_ZONE */ @@ -183,9 +227,7 @@ /* #undef JEMALLOC_PURGE_MADVISE_DONTNEED */ #define JEMALLOC_PURGE_MADVISE_FREE -/* - * Define if operating system has alloca.h header. - */ +/* Define if operating system has alloca.h header. */ /* #undef JEMALLOC_HAS_ALLOCA_H */ /* C99 restrict keyword supported. */ @@ -203,4 +245,19 @@ /* sizeof(intmax_t) == 2^LG_SIZEOF_INTMAX_T. */ #define LG_SIZEOF_INTMAX_T 3 +/* 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. */ +#define JEMALLOC_HAVE_PTHREAD_MUTEX_ADAPTIVE_NP + +/* + * If defined, jemalloc symbols are not exported (doesn't work when + * JEMALLOC_PREFIX is not defined). + */ +/* #undef JEMALLOC_EXPORT */ + #endif /* JEMALLOC_INTERNAL_DEFS_H_ */ |