378 lines
12 KiB
C
378 lines
12 KiB
C
#ifndef JEMALLOC_H_
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#define JEMALLOC_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Defined if __attribute__((...)) syntax is supported. */
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/* #undef JEMALLOC_HAVE_ATTR */
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/* Defined if alloc_size attribute is supported. */
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/* #undef JEMALLOC_HAVE_ATTR_ALLOC_SIZE */
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/* Defined if format(gnu_printf, ...) attribute is supported. */
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/* #undef JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF */
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/* Defined if format(printf, ...) attribute is supported. */
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/* #undef JEMALLOC_HAVE_ATTR_FORMAT_PRINTF */
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/*
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* Define overrides for non-standard allocator-related functions if they are
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* present on the system.
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*/
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/* #undef JEMALLOC_OVERRIDE_MEMALIGN */
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/* #undef JEMALLOC_OVERRIDE_VALLOC */
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/*
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* At least Linux omits the "const" in:
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*
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* size_t malloc_usable_size(const void *ptr);
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*
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* Match the operating system's prototype.
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*/
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#define JEMALLOC_USABLE_SIZE_CONST const
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/*
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* If defined, specify throw() for the public function prototypes when compiling
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* with C++. The only justification for this is to match the prototypes that
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* glibc defines.
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*/
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/* #undef JEMALLOC_USE_CXX_THROW */
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#ifdef _MSC_VER
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# ifdef _WIN64
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# define LG_SIZEOF_PTR_WIN 3
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# else
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# define LG_SIZEOF_PTR_WIN 2
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# endif
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#endif
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/* sizeof(void *) == 2^LG_SIZEOF_PTR. */
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#define LG_SIZEOF_PTR LG_SIZEOF_PTR_WIN
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/*
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* Name mangling for public symbols is controlled by --with-mangling and
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* --with-jemalloc-prefix. With default settings the je_ prefix is stripped by
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* these macro definitions.
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*/
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#ifndef JEMALLOC_NO_RENAME
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# define je_malloc_conf je_malloc_conf
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# define je_malloc_message je_malloc_message
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# define je_malloc je_malloc
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# define je_calloc je_calloc
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# define je_posix_memalign je_posix_memalign
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# define je_aligned_alloc je_aligned_alloc
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# define je_realloc je_realloc
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# define je_free je_free
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# define je_mallocx je_mallocx
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# define je_rallocx je_rallocx
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# define je_xallocx je_xallocx
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# define je_sallocx je_sallocx
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# define je_dallocx je_dallocx
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# define je_sdallocx je_sdallocx
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# define je_nallocx je_nallocx
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# define je_mallctl je_mallctl
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# define je_mallctlnametomib je_mallctlnametomib
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# define je_mallctlbymib je_mallctlbymib
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# define je_malloc_stats_print je_malloc_stats_print
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# define je_malloc_usable_size je_malloc_usable_size
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#endif
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#include <stdlib.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <limits.h>
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#include <strings.h>
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#define JEMALLOC_VERSION "0.0.0-0-g0000000000000000000000000000000000000000"
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#define JEMALLOC_VERSION_MAJOR 0
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#define JEMALLOC_VERSION_MINOR 0
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#define JEMALLOC_VERSION_BUGFIX 0
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#define JEMALLOC_VERSION_NREV 0
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#define JEMALLOC_VERSION_GID "0000000000000000000000000000000000000000"
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# define MALLOCX_LG_ALIGN(la) ((int)(la))
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# if LG_SIZEOF_PTR == 2
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# define MALLOCX_ALIGN(a) ((int)(ffs((int)(a))-1))
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# else
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# define MALLOCX_ALIGN(a) \
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((int)(((size_t)(a) < (size_t)INT_MAX) ? ffs((int)(a))-1 : \
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ffs((int)(((size_t)(a))>>32))+31))
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# endif
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# define MALLOCX_ZERO ((int)0x40)
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/*
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* Bias tcache index bits so that 0 encodes "automatic tcache management", and 1
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* encodes MALLOCX_TCACHE_NONE.
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*/
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# define MALLOCX_TCACHE(tc) ((int)(((tc)+2) << 8))
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# define MALLOCX_TCACHE_NONE MALLOCX_TCACHE(-1)
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/*
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* Bias arena index bits so that 0 encodes "use an automatically chosen arena".
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*/
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# define MALLOCX_ARENA(a) ((((int)(a))+1) << 20)
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#if defined(__cplusplus) && defined(JEMALLOC_USE_CXX_THROW)
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# define JEMALLOC_CXX_THROW throw()
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#else
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# define JEMALLOC_CXX_THROW
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#endif
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#if _MSC_VER
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# define JEMALLOC_ATTR(s)
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# define JEMALLOC_ALIGNED(s) __declspec(align(s))
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# define JEMALLOC_ALLOC_SIZE(s)
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# define JEMALLOC_ALLOC_SIZE2(s1, s2)
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// # ifndef JEMALLOC_EXPORT
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// # ifdef DLLEXPORT
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// # define JEMALLOC_EXPORT __declspec(dllexport)
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// # else
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// # define JEMALLOC_EXPORT __declspec(dllimport)
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// # endif
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// # endif
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# define JEMALLOC_EXPORT
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# define JEMALLOC_FORMAT_PRINTF(s, i)
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# define JEMALLOC_NOINLINE __declspec(noinline)
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# ifdef __cplusplus
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# define JEMALLOC_NOTHROW __declspec(nothrow)
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# else
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# define JEMALLOC_NOTHROW
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# endif
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# define JEMALLOC_SECTION(s) __declspec(allocate(s))
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# define JEMALLOC_RESTRICT_RETURN __declspec(restrict)
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# if _MSC_VER >= 1900 && !defined(__EDG__)
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# define JEMALLOC_ALLOCATOR __declspec(allocator)
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# else
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# define JEMALLOC_ALLOCATOR
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# endif
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#elif defined(JEMALLOC_HAVE_ATTR)
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# define JEMALLOC_ATTR(s) __attribute__((s))
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# define JEMALLOC_ALIGNED(s) JEMALLOC_ATTR(aligned(s))
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# ifdef JEMALLOC_HAVE_ATTR_ALLOC_SIZE
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# define JEMALLOC_ALLOC_SIZE(s) JEMALLOC_ATTR(alloc_size(s))
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# define JEMALLOC_ALLOC_SIZE2(s1, s2) JEMALLOC_ATTR(alloc_size(s1, s2))
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# else
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# define JEMALLOC_ALLOC_SIZE(s)
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# define JEMALLOC_ALLOC_SIZE2(s1, s2)
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# endif
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# ifndef JEMALLOC_EXPORT
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# define JEMALLOC_EXPORT JEMALLOC_ATTR(visibility("default"))
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# endif
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# ifdef JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF
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# define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(gnu_printf, s, i))
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# elif defined(JEMALLOC_HAVE_ATTR_FORMAT_PRINTF)
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# define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(printf, s, i))
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# else
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# define JEMALLOC_FORMAT_PRINTF(s, i)
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# endif
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# define JEMALLOC_NOINLINE JEMALLOC_ATTR(noinline)
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# define JEMALLOC_NOTHROW JEMALLOC_ATTR(nothrow)
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# define JEMALLOC_SECTION(s) JEMALLOC_ATTR(section(s))
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# define JEMALLOC_RESTRICT_RETURN
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# define JEMALLOC_ALLOCATOR
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#else
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# define JEMALLOC_ATTR(s)
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# define JEMALLOC_ALIGNED(s)
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# define JEMALLOC_ALLOC_SIZE(s)
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# define JEMALLOC_ALLOC_SIZE2(s1, s2)
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# define JEMALLOC_EXPORT
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# define JEMALLOC_FORMAT_PRINTF(s, i)
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# define JEMALLOC_NOINLINE
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# define JEMALLOC_NOTHROW
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# define JEMALLOC_SECTION(s)
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# define JEMALLOC_RESTRICT_RETURN
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# define JEMALLOC_ALLOCATOR
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#endif
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/*
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* The je_ prefix on the following public symbol declarations is an artifact
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* of namespace management, and should be omitted in application code unless
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* JEMALLOC_NO_DEMANGLE is defined (see jemalloc_mangle.h).
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*/
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extern JEMALLOC_EXPORT const char *je_malloc_conf;
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extern JEMALLOC_EXPORT void (*je_malloc_message)(void *cbopaque,
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const char *s);
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JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN
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void JEMALLOC_NOTHROW *je_malloc(size_t size)
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JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1);
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JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN
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void JEMALLOC_NOTHROW *je_calloc(size_t num, size_t size)
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JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE2(1, 2);
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JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_posix_memalign(void **memptr,
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size_t alignment, size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(nonnull(1));
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JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN
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void JEMALLOC_NOTHROW *je_aligned_alloc(size_t alignment,
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size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc)
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JEMALLOC_ALLOC_SIZE(2);
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JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN
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void JEMALLOC_NOTHROW *je_realloc(void *ptr, size_t size)
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JEMALLOC_CXX_THROW JEMALLOC_ALLOC_SIZE(2);
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JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_free(void *ptr)
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JEMALLOC_CXX_THROW;
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JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN
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void JEMALLOC_NOTHROW *je_mallocx(size_t size, int flags)
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JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1);
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JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN
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void JEMALLOC_NOTHROW *je_rallocx(void *ptr, size_t size,
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int flags) JEMALLOC_ALLOC_SIZE(2);
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JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_xallocx(void *ptr, size_t size,
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size_t extra, int flags);
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JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_sallocx(const void *ptr,
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int flags) JEMALLOC_ATTR(pure);
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JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_dallocx(void *ptr, int flags);
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JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_sdallocx(void *ptr, size_t size,
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int flags);
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JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_nallocx(size_t size, int flags)
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JEMALLOC_ATTR(pure);
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JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctl(const char *name,
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void *oldp, size_t *oldlenp, void *newp, size_t newlen);
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JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctlnametomib(const char *name,
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size_t *mibp, size_t *miblenp);
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JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctlbymib(const size_t *mib,
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size_t miblen, void *oldp, size_t *oldlenp, void *newp, size_t newlen);
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JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_malloc_stats_print(
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void (*write_cb)(void *, const char *), void *je_cbopaque,
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const char *opts);
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JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_malloc_usable_size(
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JEMALLOC_USABLE_SIZE_CONST void *ptr) JEMALLOC_CXX_THROW;
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#ifdef JEMALLOC_OVERRIDE_MEMALIGN
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JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN
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void JEMALLOC_NOTHROW *je_memalign(size_t alignment, size_t size)
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JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc);
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#endif
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#ifdef JEMALLOC_OVERRIDE_VALLOC
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JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN
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void JEMALLOC_NOTHROW *je_valloc(size_t size) JEMALLOC_CXX_THROW
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JEMALLOC_ATTR(malloc);
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#endif
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/*
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* void *
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* chunk_alloc(void *new_addr, size_t size, size_t alignment, bool *zero,
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* bool *commit, unsigned arena_ind);
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*/
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typedef void *(chunk_alloc_t)(void *, size_t, size_t, bool *, bool *, unsigned);
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/*
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* bool
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* chunk_dalloc(void *chunk, size_t size, bool committed, unsigned arena_ind);
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*/
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typedef bool (chunk_dalloc_t)(void *, size_t, bool, unsigned);
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/*
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* bool
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* chunk_commit(void *chunk, size_t size, size_t offset, size_t length,
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* unsigned arena_ind);
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*/
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typedef bool (chunk_commit_t)(void *, size_t, size_t, size_t, unsigned);
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/*
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* bool
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* chunk_decommit(void *chunk, size_t size, size_t offset, size_t length,
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* unsigned arena_ind);
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*/
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typedef bool (chunk_decommit_t)(void *, size_t, size_t, size_t, unsigned);
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/*
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* bool
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* chunk_purge(void *chunk, size_t size, size_t offset, size_t length,
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* unsigned arena_ind);
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*/
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typedef bool (chunk_purge_t)(void *, size_t, size_t, size_t, unsigned);
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/*
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* bool
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* chunk_split(void *chunk, size_t size, size_t size_a, size_t size_b,
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* bool committed, unsigned arena_ind);
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*/
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typedef bool (chunk_split_t)(void *, size_t, size_t, size_t, bool, unsigned);
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/*
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* bool
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* chunk_merge(void *chunk_a, size_t size_a, void *chunk_b, size_t size_b,
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* bool committed, unsigned arena_ind);
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*/
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typedef bool (chunk_merge_t)(void *, size_t, void *, size_t, bool, unsigned);
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typedef struct {
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chunk_alloc_t *alloc;
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chunk_dalloc_t *dalloc;
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chunk_commit_t *commit;
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chunk_decommit_t *decommit;
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chunk_purge_t *purge;
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chunk_split_t *split;
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chunk_merge_t *merge;
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} chunk_hooks_t;
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/*
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* By default application code must explicitly refer to mangled symbol names,
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* so that it is possible to use jemalloc in conjunction with another allocator
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* in the same application. Define JEMALLOC_MANGLE in order to cause automatic
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* name mangling that matches the API prefixing that happened as a result of
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* --with-mangling and/or --with-jemalloc-prefix configuration settings.
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*/
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#ifdef JEMALLOC_MANGLE
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# ifndef JEMALLOC_NO_DEMANGLE
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# define JEMALLOC_NO_DEMANGLE
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# endif
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# define malloc_conf je_malloc_conf
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# define malloc_message je_malloc_message
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# define malloc je_malloc
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# define calloc je_calloc
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# define posix_memalign je_posix_memalign
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# define aligned_alloc je_aligned_alloc
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# define realloc je_realloc
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# define free je_free
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# define mallocx je_mallocx
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# define rallocx je_rallocx
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# define xallocx je_xallocx
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# define sallocx je_sallocx
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# define dallocx je_dallocx
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# define sdallocx je_sdallocx
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# define nallocx je_nallocx
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# define mallctl je_mallctl
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# define mallctlnametomib je_mallctlnametomib
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# define mallctlbymib je_mallctlbymib
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# define malloc_stats_print je_malloc_stats_print
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# define malloc_usable_size je_malloc_usable_size
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#endif
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/*
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* The je_* macros can be used as stable alternative names for the
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* public jemalloc API if JEMALLOC_NO_DEMANGLE is defined. This is primarily
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* meant for use in jemalloc itself, but it can be used by application code to
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* provide isolation from the name mangling specified via --with-mangling
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* and/or --with-jemalloc-prefix.
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*/
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#ifndef JEMALLOC_NO_DEMANGLE
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# undef je_malloc_conf
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# undef je_malloc_message
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# undef je_malloc
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# undef je_calloc
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# undef je_posix_memalign
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# undef je_aligned_alloc
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# undef je_realloc
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# undef je_free
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# undef je_mallocx
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# undef je_rallocx
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# undef je_xallocx
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# undef je_sallocx
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# undef je_dallocx
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# undef je_sdallocx
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# undef je_nallocx
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# undef je_mallctl
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# undef je_mallctlnametomib
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# undef je_mallctlbymib
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# undef je_malloc_stats_print
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# undef je_malloc_usable_size
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* JEMALLOC_H_ */
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