1 #ifndef JEMALLOC_H_ 2 #define JEMALLOC_H_ 3 #ifdef __cplusplus 4 extern "C" { 5 #endif 6 7 /* Defined if __attribute__((...)) syntax is supported. */ 8 #define JEMALLOC_HAVE_ATTR 9 10 /* Defined if alloc_size attribute is supported. */ 11 /* #undef JEMALLOC_HAVE_ATTR_ALLOC_SIZE */ 12 13 /* Defined if format(gnu_printf, ...) attribute is supported. */ 14 /* #undef JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF */ 15 16 /* Defined if format(printf, ...) attribute is supported. */ 17 #define JEMALLOC_HAVE_ATTR_FORMAT_PRINTF 18 19 /* 20 * Define overrides for non-standard allocator-related functions if they are 21 * present on the system. 22 */ 23 /* #undef JEMALLOC_OVERRIDE_MEMALIGN */ 24 #define JEMALLOC_OVERRIDE_VALLOC 25 26 /* 27 * At least Linux omits the "const" in: 28 * 29 * size_t malloc_usable_size(const void *ptr); 30 * 31 * Match the operating system's prototype. 32 */ 33 #define JEMALLOC_USABLE_SIZE_CONST const 34 35 /* 36 * If defined, specify throw() for the public function prototypes when compiling 37 * with C++. The only justification for this is to match the prototypes that 38 * glibc defines. 39 */ 40 /* #undef JEMALLOC_USE_CXX_THROW */ 41 42 #ifdef _MSC_VER 43 # ifdef _WIN64 44 # define LG_SIZEOF_PTR_WIN 3 45 # else 46 # define LG_SIZEOF_PTR_WIN 2 47 # endif 48 #endif 49 50 /* sizeof(void *) == 2^LG_SIZEOF_PTR. */ 51 #define LG_SIZEOF_PTR 3 52 53 /* 54 * Name mangling for public symbols is controlled by --with-mangling and 55 * --with-jemalloc-prefix. With default settings the je_ prefix is stripped by 56 * these macro definitions. 57 */ 58 #ifndef JEMALLOC_NO_RENAME 59 # define je_aligned_alloc aligned_alloc 60 # define je_calloc calloc 61 # define je_dallocx dallocx 62 # define je_free free 63 # define je_mallctl mallctl 64 # define je_mallctlbymib mallctlbymib 65 # define je_mallctlnametomib mallctlnametomib 66 # define je_malloc malloc 67 # define je_malloc_conf malloc_conf 68 # define je_malloc_message malloc_message 69 # define je_malloc_stats_print malloc_stats_print 70 # define je_malloc_usable_size malloc_usable_size 71 # define je_mallocx mallocx 72 # define je_nallocx nallocx 73 # define je_posix_memalign posix_memalign 74 # define je_rallocx rallocx 75 # define je_realloc realloc 76 # define je_sallocx sallocx 77 # define je_sdallocx sdallocx 78 # define je_xallocx xallocx 79 # define je_valloc valloc 80 #endif 81 82 #include "jemalloc_FreeBSD.h" 83 84 #include <stdlib.h> 85 #include <stdbool.h> 86 #include <stdint.h> 87 #include <limits.h> 88 #include <strings.h> 89 90 #define JEMALLOC_VERSION "5.1.0-0-g61efbda7098de6fe64c362d309824864308c36d4" 91 #define JEMALLOC_VERSION_MAJOR 5 92 #define JEMALLOC_VERSION_MINOR 1 93 #define JEMALLOC_VERSION_BUGFIX 0 94 #define JEMALLOC_VERSION_NREV 0 95 #define JEMALLOC_VERSION_GID "61efbda7098de6fe64c362d309824864308c36d4" 96 97 #define MALLOCX_LG_ALIGN(la) ((int)(la)) 98 #if LG_SIZEOF_PTR == 2 99 # define MALLOCX_ALIGN(a) ((int)(ffs((int)(a))-1)) 100 #else 101 # define MALLOCX_ALIGN(a) \ 102 ((int)(((size_t)(a) < (size_t)INT_MAX) ? ffs((int)(a))-1 : \ 103 ffs((int)(((size_t)(a))>>32))+31)) 104 #endif 105 #define MALLOCX_ZERO ((int)0x40) 106 /* 107 * Bias tcache index bits so that 0 encodes "automatic tcache management", and 1 108 * encodes MALLOCX_TCACHE_NONE. 109 */ 110 #define MALLOCX_TCACHE(tc) ((int)(((tc)+2) << 8)) 111 #define MALLOCX_TCACHE_NONE MALLOCX_TCACHE(-1) 112 /* 113 * Bias arena index bits so that 0 encodes "use an automatically chosen arena". 114 */ 115 #define MALLOCX_ARENA(a) ((((int)(a))+1) << 20) 116 117 /* 118 * Use as arena index in "arena.<i>.{purge,decay,dss}" and 119 * "stats.arenas.<i>.*" mallctl interfaces to select all arenas. This 120 * definition is intentionally specified in raw decimal format to support 121 * cpp-based string concatenation, e.g. 122 * 123 * #define STRINGIFY_HELPER(x) #x 124 * #define STRINGIFY(x) STRINGIFY_HELPER(x) 125 * 126 * mallctl("arena." STRINGIFY(MALLCTL_ARENAS_ALL) ".purge", NULL, NULL, NULL, 127 * 0); 128 */ 129 #define MALLCTL_ARENAS_ALL 4096 130 /* 131 * Use as arena index in "stats.arenas.<i>.*" mallctl interfaces to select 132 * destroyed arenas. 133 */ 134 #define MALLCTL_ARENAS_DESTROYED 4097 135 136 #if defined(__cplusplus) && defined(JEMALLOC_USE_CXX_THROW) 137 # define JEMALLOC_CXX_THROW throw() 138 #else 139 # define JEMALLOC_CXX_THROW 140 #endif 141 142 #if defined(_MSC_VER) 143 # define JEMALLOC_ATTR(s) 144 # define JEMALLOC_ALIGNED(s) __declspec(align(s)) 145 # define JEMALLOC_ALLOC_SIZE(s) 146 # define JEMALLOC_ALLOC_SIZE2(s1, s2) 147 # ifndef JEMALLOC_EXPORT 148 # ifdef DLLEXPORT 149 # define JEMALLOC_EXPORT __declspec(dllexport) 150 # else 151 # define JEMALLOC_EXPORT __declspec(dllimport) 152 # endif 153 # endif 154 # define JEMALLOC_FORMAT_PRINTF(s, i) 155 # define JEMALLOC_NOINLINE __declspec(noinline) 156 # ifdef __cplusplus 157 # define JEMALLOC_NOTHROW __declspec(nothrow) 158 # else 159 # define JEMALLOC_NOTHROW 160 # endif 161 # define JEMALLOC_SECTION(s) __declspec(allocate(s)) 162 # define JEMALLOC_RESTRICT_RETURN __declspec(restrict) 163 # if _MSC_VER >= 1900 && !defined(__EDG__) 164 # define JEMALLOC_ALLOCATOR __declspec(allocator) 165 # else 166 # define JEMALLOC_ALLOCATOR 167 # endif 168 #elif defined(JEMALLOC_HAVE_ATTR) 169 # define JEMALLOC_ATTR(s) __attribute__((s)) 170 # define JEMALLOC_ALIGNED(s) JEMALLOC_ATTR(aligned(s)) 171 # ifdef JEMALLOC_HAVE_ATTR_ALLOC_SIZE 172 # define JEMALLOC_ALLOC_SIZE(s) JEMALLOC_ATTR(alloc_size(s)) 173 # define JEMALLOC_ALLOC_SIZE2(s1, s2) JEMALLOC_ATTR(alloc_size(s1, s2)) 174 # else 175 # define JEMALLOC_ALLOC_SIZE(s) 176 # define JEMALLOC_ALLOC_SIZE2(s1, s2) 177 # endif 178 # ifndef JEMALLOC_EXPORT 179 # define JEMALLOC_EXPORT JEMALLOC_ATTR(visibility("default")) 180 # endif 181 # ifdef JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF 182 # define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(gnu_printf, s, i)) 183 # elif defined(JEMALLOC_HAVE_ATTR_FORMAT_PRINTF) 184 # define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(printf, s, i)) 185 # else 186 # define JEMALLOC_FORMAT_PRINTF(s, i) 187 # endif 188 # define JEMALLOC_NOINLINE JEMALLOC_ATTR(noinline) 189 # define JEMALLOC_NOTHROW JEMALLOC_ATTR(nothrow) 190 # define JEMALLOC_SECTION(s) JEMALLOC_ATTR(section(s)) 191 # define JEMALLOC_RESTRICT_RETURN 192 # define JEMALLOC_ALLOCATOR 193 #else 194 # define JEMALLOC_ATTR(s) 195 # define JEMALLOC_ALIGNED(s) 196 # define JEMALLOC_ALLOC_SIZE(s) 197 # define JEMALLOC_ALLOC_SIZE2(s1, s2) 198 # define JEMALLOC_EXPORT 199 # define JEMALLOC_FORMAT_PRINTF(s, i) 200 # define JEMALLOC_NOINLINE 201 # define JEMALLOC_NOTHROW 202 # define JEMALLOC_SECTION(s) 203 # define JEMALLOC_RESTRICT_RETURN 204 # define JEMALLOC_ALLOCATOR 205 #endif 206 207 /* 208 * The je_ prefix on the following public symbol declarations is an artifact 209 * of namespace management, and should be omitted in application code unless 210 * JEMALLOC_NO_DEMANGLE is defined (see jemalloc_mangle.h). 211 */ 212 extern JEMALLOC_EXPORT const char *je_malloc_conf; 213 extern JEMALLOC_EXPORT void (*je_malloc_message)(void *cbopaque, 214 const char *s); 215 216 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 217 void JEMALLOC_NOTHROW *je_malloc(size_t size) 218 JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1); 219 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 220 void JEMALLOC_NOTHROW *je_calloc(size_t num, size_t size) 221 JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE2(1, 2); 222 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_posix_memalign(void **memptr, 223 size_t alignment, size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(nonnull(1)); 224 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 225 void JEMALLOC_NOTHROW *je_aligned_alloc(size_t alignment, 226 size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) 227 JEMALLOC_ALLOC_SIZE(2); 228 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 229 void JEMALLOC_NOTHROW *je_realloc(void *ptr, size_t size) 230 JEMALLOC_CXX_THROW JEMALLOC_ALLOC_SIZE(2); 231 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_free(void *ptr) 232 JEMALLOC_CXX_THROW; 233 234 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 235 void JEMALLOC_NOTHROW *je_mallocx(size_t size, int flags) 236 JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1); 237 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 238 void JEMALLOC_NOTHROW *je_rallocx(void *ptr, size_t size, 239 int flags) JEMALLOC_ALLOC_SIZE(2); 240 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_xallocx(void *ptr, size_t size, 241 size_t extra, int flags); 242 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_sallocx(const void *ptr, 243 int flags) JEMALLOC_ATTR(pure); 244 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_dallocx(void *ptr, int flags); 245 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_sdallocx(void *ptr, size_t size, 246 int flags); 247 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_nallocx(size_t size, int flags) 248 JEMALLOC_ATTR(pure); 249 250 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctl(const char *name, 251 void *oldp, size_t *oldlenp, void *newp, size_t newlen); 252 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctlnametomib(const char *name, 253 size_t *mibp, size_t *miblenp); 254 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctlbymib(const size_t *mib, 255 size_t miblen, void *oldp, size_t *oldlenp, void *newp, size_t newlen); 256 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_malloc_stats_print( 257 void (*write_cb)(void *, const char *), void *je_cbopaque, 258 const char *opts); 259 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_malloc_usable_size( 260 JEMALLOC_USABLE_SIZE_CONST void *ptr) JEMALLOC_CXX_THROW; 261 262 #ifdef JEMALLOC_OVERRIDE_MEMALIGN 263 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 264 void JEMALLOC_NOTHROW *je_memalign(size_t alignment, size_t size) 265 JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc); 266 #endif 267 268 #ifdef JEMALLOC_OVERRIDE_VALLOC 269 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 270 void JEMALLOC_NOTHROW *je_valloc(size_t size) JEMALLOC_CXX_THROW 271 JEMALLOC_ATTR(malloc); 272 #endif 273 274 typedef struct extent_hooks_s extent_hooks_t; 275 276 /* 277 * void * 278 * extent_alloc(extent_hooks_t *extent_hooks, void *new_addr, size_t size, 279 * size_t alignment, bool *zero, bool *commit, unsigned arena_ind); 280 */ 281 typedef void *(extent_alloc_t)(extent_hooks_t *, void *, size_t, size_t, bool *, 282 bool *, unsigned); 283 284 /* 285 * bool 286 * extent_dalloc(extent_hooks_t *extent_hooks, void *addr, size_t size, 287 * bool committed, unsigned arena_ind); 288 */ 289 typedef bool (extent_dalloc_t)(extent_hooks_t *, void *, size_t, bool, 290 unsigned); 291 292 /* 293 * void 294 * extent_destroy(extent_hooks_t *extent_hooks, void *addr, size_t size, 295 * bool committed, unsigned arena_ind); 296 */ 297 typedef void (extent_destroy_t)(extent_hooks_t *, void *, size_t, bool, 298 unsigned); 299 300 /* 301 * bool 302 * extent_commit(extent_hooks_t *extent_hooks, void *addr, size_t size, 303 * size_t offset, size_t length, unsigned arena_ind); 304 */ 305 typedef bool (extent_commit_t)(extent_hooks_t *, void *, size_t, size_t, size_t, 306 unsigned); 307 308 /* 309 * bool 310 * extent_decommit(extent_hooks_t *extent_hooks, void *addr, size_t size, 311 * size_t offset, size_t length, unsigned arena_ind); 312 */ 313 typedef bool (extent_decommit_t)(extent_hooks_t *, void *, size_t, size_t, 314 size_t, unsigned); 315 316 /* 317 * bool 318 * extent_purge(extent_hooks_t *extent_hooks, void *addr, size_t size, 319 * size_t offset, size_t length, unsigned arena_ind); 320 */ 321 typedef bool (extent_purge_t)(extent_hooks_t *, void *, size_t, size_t, size_t, 322 unsigned); 323 324 /* 325 * bool 326 * extent_split(extent_hooks_t *extent_hooks, void *addr, size_t size, 327 * size_t size_a, size_t size_b, bool committed, unsigned arena_ind); 328 */ 329 typedef bool (extent_split_t)(extent_hooks_t *, void *, size_t, size_t, size_t, 330 bool, unsigned); 331 332 /* 333 * bool 334 * extent_merge(extent_hooks_t *extent_hooks, void *addr_a, size_t size_a, 335 * void *addr_b, size_t size_b, bool committed, unsigned arena_ind); 336 */ 337 typedef bool (extent_merge_t)(extent_hooks_t *, void *, size_t, void *, size_t, 338 bool, unsigned); 339 340 struct extent_hooks_s { 341 extent_alloc_t *alloc; 342 extent_dalloc_t *dalloc; 343 extent_destroy_t *destroy; 344 extent_commit_t *commit; 345 extent_decommit_t *decommit; 346 extent_purge_t *purge_lazy; 347 extent_purge_t *purge_forced; 348 extent_split_t *split; 349 extent_merge_t *merge; 350 }; 351 352 /* 353 * By default application code must explicitly refer to mangled symbol names, 354 * so that it is possible to use jemalloc in conjunction with another allocator 355 * in the same application. Define JEMALLOC_MANGLE in order to cause automatic 356 * name mangling that matches the API prefixing that happened as a result of 357 * --with-mangling and/or --with-jemalloc-prefix configuration settings. 358 */ 359 #ifdef JEMALLOC_MANGLE 360 # ifndef JEMALLOC_NO_DEMANGLE 361 # define JEMALLOC_NO_DEMANGLE 362 # endif 363 # define aligned_alloc je_aligned_alloc 364 # define calloc je_calloc 365 # define dallocx je_dallocx 366 # define free je_free 367 # define mallctl je_mallctl 368 # define mallctlbymib je_mallctlbymib 369 # define mallctlnametomib je_mallctlnametomib 370 # define malloc je_malloc 371 # define malloc_conf je_malloc_conf 372 # define malloc_message je_malloc_message 373 # define malloc_stats_print je_malloc_stats_print 374 # define malloc_usable_size je_malloc_usable_size 375 # define mallocx je_mallocx 376 # define nallocx je_nallocx 377 # define posix_memalign je_posix_memalign 378 # define rallocx je_rallocx 379 # define realloc je_realloc 380 # define sallocx je_sallocx 381 # define sdallocx je_sdallocx 382 # define xallocx je_xallocx 383 # define valloc je_valloc 384 #endif 385 386 /* 387 * The je_* macros can be used as stable alternative names for the 388 * public jemalloc API if JEMALLOC_NO_DEMANGLE is defined. This is primarily 389 * meant for use in jemalloc itself, but it can be used by application code to 390 * provide isolation from the name mangling specified via --with-mangling 391 * and/or --with-jemalloc-prefix. 392 */ 393 #ifndef JEMALLOC_NO_DEMANGLE 394 # undef je_aligned_alloc 395 # undef je_calloc 396 # undef je_dallocx 397 # undef je_free 398 # undef je_mallctl 399 # undef je_mallctlbymib 400 # undef je_mallctlnametomib 401 # undef je_malloc 402 # undef je_malloc_conf 403 # undef je_malloc_message 404 # undef je_malloc_stats_print 405 # undef je_malloc_usable_size 406 # undef je_mallocx 407 # undef je_nallocx 408 # undef je_posix_memalign 409 # undef je_rallocx 410 # undef je_realloc 411 # undef je_sallocx 412 # undef je_sdallocx 413 # undef je_xallocx 414 # undef je_valloc 415 #endif 416 417 #ifdef __cplusplus 418 } 419 #endif 420 #endif /* JEMALLOC_H_ */ 421