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jemalloc.h
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#ifndef JEMALLOC_H_ #define JEMALLOC_H_ #ifdef __cplusplus extern "C" { #endif /* Defined if __attribute__((...)) syntax is supported. */ #define JEMALLOC_HAVE_ATTR /* Defined if alloc_size attribute is supported. */ #define JEMALLOC_HAVE_ATTR_ALLOC_SIZE /* Defined if format(gnu_printf, ...) attribute is supported. */ #define JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF /* Defined if format(printf, ...) attribute is supported. */ #define JEMALLOC_HAVE_ATTR_FORMAT_PRINTF /* * Define overrides for non-standard allocator-related functions if they are * present on the system. */ #define JEMALLOC_OVERRIDE_MEMALIGN #define JEMALLOC_OVERRIDE_VALLOC /* * At least Linux omits the "const" in: * * size_t malloc_usable_size(const void *ptr); * * Match the operating system's prototype. */ #define JEMALLOC_USABLE_SIZE_CONST /* * If defined, specify throw() for the public function prototypes when compiling * with C++. The only justification for this is to match the prototypes that * glibc defines. */ #define JEMALLOC_USE_CXX_THROW #ifdef _MSC_VER # ifdef _WIN64 # define LG_SIZEOF_PTR_WIN 3 # else # define LG_SIZEOF_PTR_WIN 2 # endif #endif /* sizeof(void *) == 2^LG_SIZEOF_PTR. */ #define LG_SIZEOF_PTR 3 /* * Name mangling for public symbols is controlled by --with-mangling and * --with-jemalloc-prefix. With default settings the je_ prefix is stripped by * these macro definitions. */ #ifndef JEMALLOC_NO_RENAME # define je_malloc_conf malloc_conf # define je_malloc_message malloc_message # define je_malloc malloc # define je_calloc calloc # define je_posix_memalign posix_memalign # define je_aligned_alloc aligned_alloc # define je_realloc realloc # define je_free free # define je_mallocx mallocx # define je_rallocx rallocx # define je_xallocx xallocx # define je_sallocx sallocx # define je_dallocx dallocx # define je_sdallocx sdallocx # define je_nallocx nallocx # define je_mallctl mallctl # define je_mallctlnametomib mallctlnametomib # define je_mallctlbymib mallctlbymib # define je_malloc_stats_print malloc_stats_print # define je_malloc_usable_size malloc_usable_size # define je_memalign memalign # define je_valloc valloc #endif #include <stdlib.h> #include <stdbool.h> #include <stdint.h> #include <limits.h> #include <strings.h> #define JEMALLOC_VERSION "4.2.1-0-g3de035335255d553bdb344c32ffdb603816195d8" #define JEMALLOC_VERSION_MAJOR 4 #define JEMALLOC_VERSION_MINOR 2 #define JEMALLOC_VERSION_BUGFIX 1 #define JEMALLOC_VERSION_NREV 0 #define JEMALLOC_VERSION_GID "3de035335255d553bdb344c32ffdb603816195d8" # define MALLOCX_LG_ALIGN(la) ((int)(la)) # if LG_SIZEOF_PTR == 2 # define MALLOCX_ALIGN(a) ((int)(ffs((int)(a))-1)) # else # define MALLOCX_ALIGN(a) \ ((int)(((size_t)(a) < (size_t)INT_MAX) ? ffs((int)(a))-1 : \ ffs((int)(((size_t)(a))>>32))+31)) # endif # define MALLOCX_ZERO ((int)0x40) /* * Bias tcache index bits so that 0 encodes "automatic tcache management", and 1 * encodes MALLOCX_TCACHE_NONE. */ # define MALLOCX_TCACHE(tc) ((int)(((tc)+2) << 8)) # define MALLOCX_TCACHE_NONE MALLOCX_TCACHE(-1) /* * Bias arena index bits so that 0 encodes "use an automatically chosen arena". */ # define MALLOCX_ARENA(a) ((((int)(a))+1) << 20) #if defined(__cplusplus) && defined(JEMALLOC_USE_CXX_THROW) # define JEMALLOC_CXX_THROW throw() #else # define JEMALLOC_CXX_THROW #endif #if _MSC_VER # define JEMALLOC_ATTR(s) # define JEMALLOC_ALIGNED(s) __declspec(align(s)) # define JEMALLOC_ALLOC_SIZE(s) # define JEMALLOC_ALLOC_SIZE2(s1, s2) # ifndef JEMALLOC_EXPORT # ifdef DLLEXPORT # define JEMALLOC_EXPORT __declspec(dllexport) # else # define JEMALLOC_EXPORT __declspec(dllimport) # endif # endif # define JEMALLOC_FORMAT_PRINTF(s, i) # define JEMALLOC_NOINLINE __declspec(noinline) # ifdef __cplusplus # define JEMALLOC_NOTHROW __declspec(nothrow) # else # define JEMALLOC_NOTHROW # endif # define JEMALLOC_SECTION(s) __declspec(allocate(s)) # define JEMALLOC_RESTRICT_RETURN __declspec(restrict) # if _MSC_VER >= 1900 && !defined(__EDG__) # define JEMALLOC_ALLOCATOR __declspec(allocator) # else # define JEMALLOC_ALLOCATOR # endif #elif defined(JEMALLOC_HAVE_ATTR) # define JEMALLOC_ATTR(s) __attribute__((s)) # define JEMALLOC_ALIGNED(s) JEMALLOC_ATTR(aligned(s)) # ifdef JEMALLOC_HAVE_ATTR_ALLOC_SIZE # define JEMALLOC_ALLOC_SIZE(s) JEMALLOC_ATTR(alloc_size(s)) # define JEMALLOC_ALLOC_SIZE2(s1, s2) JEMALLOC_ATTR(alloc_size(s1, s2)) # else # define JEMALLOC_ALLOC_SIZE(s) # define JEMALLOC_ALLOC_SIZE2(s1, s2) # endif # ifndef JEMALLOC_EXPORT # define JEMALLOC_EXPORT JEMALLOC_ATTR(visibility("default")) # endif # ifdef JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF # define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(gnu_printf, s, i)) # elif defined(JEMALLOC_HAVE_ATTR_FORMAT_PRINTF) # define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(printf, s, i)) # else # define JEMALLOC_FORMAT_PRINTF(s, i) # endif # define JEMALLOC_NOINLINE JEMALLOC_ATTR(noinline) # define JEMALLOC_NOTHROW JEMALLOC_ATTR(nothrow) # define JEMALLOC_SECTION(s) JEMALLOC_ATTR(section(s)) # define JEMALLOC_RESTRICT_RETURN # define JEMALLOC_ALLOCATOR #else # define JEMALLOC_ATTR(s) # define JEMALLOC_ALIGNED(s) # define JEMALLOC_ALLOC_SIZE(s) # define JEMALLOC_ALLOC_SIZE2(s1, s2) # define JEMALLOC_EXPORT # define JEMALLOC_FORMAT_PRINTF(s, i) # define JEMALLOC_NOINLINE # define JEMALLOC_NOTHROW # define JEMALLOC_SECTION(s) # define JEMALLOC_RESTRICT_RETURN # define JEMALLOC_ALLOCATOR #endif /* * The je_ prefix on the following public symbol declarations is an artifact * of namespace management, and should be omitted in application code unless * JEMALLOC_NO_DEMANGLE is defined (see jemalloc_mangle.h). */ extern JEMALLOC_EXPORT const char *je_malloc_conf; extern JEMALLOC_EXPORT void (*je_malloc_message)(void *cbopaque, const char *s); JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN void JEMALLOC_NOTHROW *je_malloc(size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1); JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN void JEMALLOC_NOTHROW *je_calloc(size_t num, size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE2(1, 2); JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_posix_memalign(void **memptr, size_t alignment, size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(nonnull(1)); JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN void JEMALLOC_NOTHROW *je_aligned_alloc(size_t alignment, size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(2); JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN void JEMALLOC_NOTHROW *je_realloc(void *ptr, size_t size) JEMALLOC_CXX_THROW JEMALLOC_ALLOC_SIZE(2); JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_free(void *ptr) JEMALLOC_CXX_THROW; JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN void JEMALLOC_NOTHROW *je_mallocx(size_t size, int flags) JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1); JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN void JEMALLOC_NOTHROW *je_rallocx(void *ptr, size_t size, int flags) JEMALLOC_ALLOC_SIZE(2); JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_xallocx(void *ptr, size_t size, size_t extra, int flags); JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_sallocx(const void *ptr, int flags) JEMALLOC_ATTR(pure); JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_dallocx(void *ptr, int flags); JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_sdallocx(void *ptr, size_t size, int flags); JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_nallocx(size_t size, int flags) JEMALLOC_ATTR(pure); JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctl(const char *name, void *oldp, size_t *oldlenp, void *newp, size_t newlen); JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctlnametomib(const char *name, size_t *mibp, size_t *miblenp); JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctlbymib(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, void *newp, size_t newlen); JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_malloc_stats_print( void (*write_cb)(void *, const char *), void *je_cbopaque, const char *opts); JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_malloc_usable_size( JEMALLOC_USABLE_SIZE_CONST void *ptr) JEMALLOC_CXX_THROW; #ifdef JEMALLOC_OVERRIDE_MEMALIGN JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN void JEMALLOC_NOTHROW *je_memalign(size_t alignment, size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc); #endif #ifdef JEMALLOC_OVERRIDE_VALLOC JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN void JEMALLOC_NOTHROW *je_valloc(size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc); #endif /* * void * * chunk_alloc(void *new_addr, size_t size, size_t alignment, bool *zero, * bool *commit, unsigned arena_ind); */ typedef void *(chunk_alloc_t)(void *, size_t, size_t, bool *, bool *, unsigned); /* * bool * chunk_dalloc(void *chunk, size_t size, bool committed, unsigned arena_ind); */ typedef bool (chunk_dalloc_t)(void *, size_t, bool, unsigned); /* * bool * chunk_commit(void *chunk, size_t size, size_t offset, size_t length, * unsigned arena_ind); */ typedef bool (chunk_commit_t)(void *, size_t, size_t, size_t, unsigned); /* * bool * chunk_decommit(void *chunk, size_t size, size_t offset, size_t length, * unsigned arena_ind); */ typedef bool (chunk_decommit_t)(void *, size_t, size_t, size_t, unsigned); /* * bool * chunk_purge(void *chunk, size_t size, size_t offset, size_t length, * unsigned arena_ind); */ typedef bool (chunk_purge_t)(void *, size_t, size_t, size_t, unsigned); /* * bool * chunk_split(void *chunk, size_t size, size_t size_a, size_t size_b, * bool committed, unsigned arena_ind); */ typedef bool (chunk_split_t)(void *, size_t, size_t, size_t, bool, unsigned); /* * bool * chunk_merge(void *chunk_a, size_t size_a, void *chunk_b, size_t size_b, * bool committed, unsigned arena_ind); */ typedef bool (chunk_merge_t)(void *, size_t, void *, size_t, bool, unsigned); typedef struct { chunk_alloc_t *alloc; chunk_dalloc_t *dalloc; chunk_commit_t *commit; chunk_decommit_t *decommit; chunk_purge_t *purge; chunk_split_t *split; chunk_merge_t *merge; } chunk_hooks_t; /* * By default application code must explicitly refer to mangled symbol names, * so that it is possible to use jemalloc in conjunction with another allocator * in the same application. Define JEMALLOC_MANGLE in order to cause automatic * name mangling that matches the API prefixing that happened as a result of * --with-mangling and/or --with-jemalloc-prefix configuration settings. */ #ifdef JEMALLOC_MANGLE # ifndef JEMALLOC_NO_DEMANGLE # define JEMALLOC_NO_DEMANGLE # endif # define malloc_conf je_malloc_conf # define malloc_message je_malloc_message # define malloc je_malloc # define calloc je_calloc # define posix_memalign je_posix_memalign # define aligned_alloc je_aligned_alloc # define realloc je_realloc # define free je_free # define mallocx je_mallocx # define rallocx je_rallocx # define xallocx je_xallocx # define sallocx je_sallocx # define dallocx je_dallocx # define sdallocx je_sdallocx # define nallocx je_nallocx # define mallctl je_mallctl # define mallctlnametomib je_mallctlnametomib # define mallctlbymib je_mallctlbymib # define malloc_stats_print je_malloc_stats_print # define malloc_usable_size je_malloc_usable_size # define memalign je_memalign # define valloc je_valloc #endif /* * The je_* macros can be used as stable alternative names for the * public jemalloc API if JEMALLOC_NO_DEMANGLE is defined. This is primarily * meant for use in jemalloc itself, but it can be used by application code to * provide isolation from the name mangling specified via --with-mangling * and/or --with-jemalloc-prefix. */ #ifndef JEMALLOC_NO_DEMANGLE # undef je_malloc_conf # undef je_malloc_message # undef je_malloc # undef je_calloc # undef je_posix_memalign # undef je_aligned_alloc # undef je_realloc # undef je_free # undef je_mallocx # undef je_rallocx # undef je_xallocx # undef je_sallocx # undef je_dallocx # undef je_sdallocx # undef je_nallocx # undef je_mallctl # undef je_mallctlnametomib # undef je_mallctlbymib # undef je_malloc_stats_print # undef je_malloc_usable_size # undef je_memalign # undef je_valloc #endif #ifdef __cplusplus } #endif #endif /* JEMALLOC_H_ */