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 #if !defined(__clang__) 15 #define JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF 16 #endif 17 18 /* Defined if format(printf, ...) attribute is supported. */ 19 #define JEMALLOC_HAVE_ATTR_FORMAT_PRINTF 20 21 /* 22 * Define overrides for non-standard allocator-related functions if they are 23 * present on the system. 24 */ 25 #define JEMALLOC_OVERRIDE_MEMALIGN 26 #ifndef __LP64__ 27 #define JEMALLOC_OVERRIDE_VALLOC 28 #endif 29 30 /* 31 * At least Linux omits the "const" in: 32 * 33 * size_t malloc_usable_size(const void *ptr); 34 * 35 * Match the operating system's prototype. 36 */ 37 #define JEMALLOC_USABLE_SIZE_CONST const 38 39 /* 40 * If defined, specify throw() for the public function prototypes when compiling 41 * with C++. The only justification for this is to match the prototypes that 42 * glibc defines. 43 */ 44 /* #undef JEMALLOC_USE_CXX_THROW */ 45 46 #ifdef _MSC_VER 47 # ifdef _WIN64 48 # define LG_SIZEOF_PTR_WIN 3 49 # else 50 # define LG_SIZEOF_PTR_WIN 2 51 # endif 52 #endif 53 54 /* sizeof(void *) == 2^LG_SIZEOF_PTR. */ 55 #ifdef __LP64__ 56 #define LG_SIZEOF_PTR 3 57 #else 58 #define LG_SIZEOF_PTR 2 59 #endif 60 61 /* 62 * Name mangling for public symbols is controlled by --with-mangling and 63 * --with-jemalloc-prefix. With default settings the je_ prefix is stripped by 64 * these macro definitions. 65 */ 66 #ifndef JEMALLOC_NO_RENAME 67 #if defined(__BIONIC__) 68 # define je_malloc_conf je_malloc_conf 69 # define je_malloc_message je_malloc_message 70 # define je_malloc je_malloc 71 # define je_calloc je_calloc 72 # define je_posix_memalign je_posix_memalign 73 # define je_aligned_alloc je_aligned_alloc 74 # define je_realloc je_realloc 75 # define je_free je_free 76 # define je_mallocx je_mallocx 77 # define je_rallocx je_rallocx 78 # define je_xallocx je_xallocx 79 # define je_sallocx je_sallocx 80 # define je_dallocx je_dallocx 81 # define je_sdallocx je_sdallocx 82 # define je_nallocx je_nallocx 83 # define je_mallctl je_mallctl 84 # define je_mallctlnametomib je_mallctlnametomib 85 # define je_mallctlbymib je_mallctlbymib 86 # define je_malloc_stats_print je_malloc_stats_print 87 # define je_malloc_usable_size je_malloc_usable_size 88 # define je_memalign je_memalign 89 # define je_valloc je_valloc 90 #else 91 # define je_malloc_conf malloc_conf 92 # define je_malloc_message malloc_message 93 # define je_malloc malloc 94 # define je_calloc calloc 95 # define je_posix_memalign posix_memalign 96 # define je_aligned_alloc aligned_alloc 97 # define je_realloc realloc 98 # define je_free free 99 # define je_mallocx mallocx 100 # define je_rallocx rallocx 101 # define je_xallocx xallocx 102 # define je_sallocx sallocx 103 # define je_dallocx dallocx 104 # define je_sdallocx sdallocx 105 # define je_nallocx nallocx 106 # define je_mallctl mallctl 107 # define je_mallctlnametomib mallctlnametomib 108 # define je_mallctlbymib mallctlbymib 109 # define je_malloc_stats_print malloc_stats_print 110 # define je_malloc_usable_size malloc_usable_size 111 # define je_memalign memalign 112 # define je_valloc valloc 113 #endif 114 #endif 115 116 #include <stdlib.h> 117 #include <stdbool.h> 118 #include <stdint.h> 119 #include <limits.h> 120 #include <strings.h> 121 122 #define JEMALLOC_VERSION "4.4.0-0-gf1f76357313e7dcad7262f17a48ff0a2e005fcdc" 123 #define JEMALLOC_VERSION_MAJOR 4 124 #define JEMALLOC_VERSION_MINOR 4 125 #define JEMALLOC_VERSION_BUGFIX 0 126 #define JEMALLOC_VERSION_NREV 0 127 #define JEMALLOC_VERSION_GID "f1f76357313e7dcad7262f17a48ff0a2e005fcdc" 128 129 # define MALLOCX_LG_ALIGN(la) ((int)(la)) 130 # if LG_SIZEOF_PTR == 2 131 # define MALLOCX_ALIGN(a) ((int)(ffs((int)(a))-1)) 132 # else 133 # define MALLOCX_ALIGN(a) \ 134 ((int)(((size_t)(a) < (size_t)INT_MAX) ? ffs((int)(a))-1 : \ 135 ffs((int)(((size_t)(a))>>32))+31)) 136 # endif 137 # define MALLOCX_ZERO ((int)0x40) 138 /* 139 * Bias tcache index bits so that 0 encodes "automatic tcache management", and 1 140 * encodes MALLOCX_TCACHE_NONE. 141 */ 142 # define MALLOCX_TCACHE(tc) ((int)(((tc)+2) << 8)) 143 # define MALLOCX_TCACHE_NONE MALLOCX_TCACHE(-1) 144 /* 145 * Bias arena index bits so that 0 encodes "use an automatically chosen arena". 146 */ 147 # define MALLOCX_ARENA(a) ((((int)(a))+1) << 20) 148 149 #if defined(__cplusplus) && defined(JEMALLOC_USE_CXX_THROW) 150 # define JEMALLOC_CXX_THROW throw() 151 #else 152 # define JEMALLOC_CXX_THROW 153 #endif 154 155 #if _MSC_VER 156 # define JEMALLOC_ATTR(s) 157 # define JEMALLOC_ALIGNED(s) __declspec(align(s)) 158 # define JEMALLOC_ALLOC_SIZE(s) 159 # define JEMALLOC_ALLOC_SIZE2(s1, s2) 160 # ifndef JEMALLOC_EXPORT 161 # ifdef DLLEXPORT 162 # define JEMALLOC_EXPORT __declspec(dllexport) 163 # else 164 # define JEMALLOC_EXPORT __declspec(dllimport) 165 # endif 166 # endif 167 # define JEMALLOC_FORMAT_PRINTF(s, i) 168 # define JEMALLOC_NOINLINE __declspec(noinline) 169 # ifdef __cplusplus 170 # define JEMALLOC_NOTHROW __declspec(nothrow) 171 # else 172 # define JEMALLOC_NOTHROW 173 # endif 174 # define JEMALLOC_SECTION(s) __declspec(allocate(s)) 175 # define JEMALLOC_RESTRICT_RETURN __declspec(restrict) 176 # if _MSC_VER >= 1900 && !defined(__EDG__) 177 # define JEMALLOC_ALLOCATOR __declspec(allocator) 178 # else 179 # define JEMALLOC_ALLOCATOR 180 # endif 181 #elif defined(JEMALLOC_HAVE_ATTR) 182 # define JEMALLOC_ATTR(s) __attribute__((s)) 183 # define JEMALLOC_ALIGNED(s) JEMALLOC_ATTR(aligned(s)) 184 # ifdef JEMALLOC_HAVE_ATTR_ALLOC_SIZE 185 # define JEMALLOC_ALLOC_SIZE(s) JEMALLOC_ATTR(alloc_size(s)) 186 # define JEMALLOC_ALLOC_SIZE2(s1, s2) JEMALLOC_ATTR(alloc_size(s1, s2)) 187 # else 188 # define JEMALLOC_ALLOC_SIZE(s) 189 # define JEMALLOC_ALLOC_SIZE2(s1, s2) 190 # endif 191 # ifndef JEMALLOC_EXPORT 192 # define JEMALLOC_EXPORT JEMALLOC_ATTR(visibility("default")) 193 # endif 194 # ifdef JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF 195 # define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(gnu_printf, s, i)) 196 # elif defined(JEMALLOC_HAVE_ATTR_FORMAT_PRINTF) 197 # define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(printf, s, i)) 198 # else 199 # define JEMALLOC_FORMAT_PRINTF(s, i) 200 # endif 201 # define JEMALLOC_NOINLINE JEMALLOC_ATTR(noinline) 202 # define JEMALLOC_NOTHROW JEMALLOC_ATTR(nothrow) 203 # define JEMALLOC_SECTION(s) JEMALLOC_ATTR(section(s)) 204 # define JEMALLOC_RESTRICT_RETURN 205 # define JEMALLOC_ALLOCATOR 206 #else 207 # define JEMALLOC_ATTR(s) 208 # define JEMALLOC_ALIGNED(s) 209 # define JEMALLOC_ALLOC_SIZE(s) 210 # define JEMALLOC_ALLOC_SIZE2(s1, s2) 211 # define JEMALLOC_EXPORT 212 # define JEMALLOC_FORMAT_PRINTF(s, i) 213 # define JEMALLOC_NOINLINE 214 # define JEMALLOC_NOTHROW 215 # define JEMALLOC_SECTION(s) 216 # define JEMALLOC_RESTRICT_RETURN 217 # define JEMALLOC_ALLOCATOR 218 #endif 219 220 /* 221 * The je_ prefix on the following public symbol declarations is an artifact 222 * of namespace management, and should be omitted in application code unless 223 * JEMALLOC_NO_DEMANGLE is defined (see jemalloc_mangle.h). 224 */ 225 extern JEMALLOC_EXPORT const char *je_malloc_conf; 226 extern JEMALLOC_EXPORT void (*je_malloc_message)(void *cbopaque, 227 const char *s); 228 229 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 230 void JEMALLOC_NOTHROW *je_malloc(size_t size) 231 JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1); 232 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 233 void JEMALLOC_NOTHROW *je_calloc(size_t num, size_t size) 234 JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE2(1, 2); 235 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_posix_memalign(void **memptr, 236 size_t alignment, size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(nonnull(1)); 237 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 238 void JEMALLOC_NOTHROW *je_aligned_alloc(size_t alignment, 239 size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) 240 JEMALLOC_ALLOC_SIZE(2); 241 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 242 void JEMALLOC_NOTHROW *je_realloc(void *ptr, size_t size) 243 JEMALLOC_CXX_THROW JEMALLOC_ALLOC_SIZE(2); 244 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_free(void *ptr) 245 JEMALLOC_CXX_THROW; 246 247 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 248 void JEMALLOC_NOTHROW *je_mallocx(size_t size, int flags) 249 JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1); 250 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 251 void JEMALLOC_NOTHROW *je_rallocx(void *ptr, size_t size, 252 int flags) JEMALLOC_ALLOC_SIZE(2); 253 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_xallocx(void *ptr, size_t size, 254 size_t extra, int flags); 255 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_sallocx(const void *ptr, 256 int flags) JEMALLOC_ATTR(pure); 257 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_dallocx(void *ptr, int flags); 258 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_sdallocx(void *ptr, size_t size, 259 int flags); 260 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_nallocx(size_t size, int flags) 261 JEMALLOC_ATTR(pure); 262 263 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctl(const char *name, 264 void *oldp, size_t *oldlenp, void *newp, size_t newlen); 265 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctlnametomib(const char *name, 266 size_t *mibp, size_t *miblenp); 267 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctlbymib(const size_t *mib, 268 size_t miblen, void *oldp, size_t *oldlenp, void *newp, size_t newlen); 269 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_malloc_stats_print( 270 void (*write_cb)(void *, const char *), void *je_cbopaque, 271 const char *opts); 272 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_malloc_usable_size( 273 JEMALLOC_USABLE_SIZE_CONST void *ptr) JEMALLOC_CXX_THROW; 274 275 #ifdef JEMALLOC_OVERRIDE_MEMALIGN 276 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 277 void JEMALLOC_NOTHROW *je_memalign(size_t alignment, size_t size) 278 JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc); 279 #endif 280 281 #ifdef JEMALLOC_OVERRIDE_VALLOC 282 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 283 void JEMALLOC_NOTHROW *je_valloc(size_t size) JEMALLOC_CXX_THROW 284 JEMALLOC_ATTR(malloc); 285 #endif 286 287 /* 288 * void * 289 * chunk_alloc(void *new_addr, size_t size, size_t alignment, bool *zero, 290 * bool *commit, unsigned arena_ind); 291 */ 292 typedef void *(chunk_alloc_t)(void *, size_t, size_t, bool *, bool *, unsigned); 293 294 /* 295 * bool 296 * chunk_dalloc(void *chunk, size_t size, bool committed, unsigned arena_ind); 297 */ 298 typedef bool (chunk_dalloc_t)(void *, size_t, bool, unsigned); 299 300 /* 301 * bool 302 * chunk_commit(void *chunk, size_t size, size_t offset, size_t length, 303 * unsigned arena_ind); 304 */ 305 typedef bool (chunk_commit_t)(void *, size_t, size_t, size_t, unsigned); 306 307 /* 308 * bool 309 * chunk_decommit(void *chunk, size_t size, size_t offset, size_t length, 310 * unsigned arena_ind); 311 */ 312 typedef bool (chunk_decommit_t)(void *, size_t, size_t, size_t, unsigned); 313 314 /* 315 * bool 316 * chunk_purge(void *chunk, size_t size, size_t offset, size_t length, 317 * unsigned arena_ind); 318 */ 319 typedef bool (chunk_purge_t)(void *, size_t, size_t, size_t, unsigned); 320 321 /* 322 * bool 323 * chunk_split(void *chunk, size_t size, size_t size_a, size_t size_b, 324 * bool committed, unsigned arena_ind); 325 */ 326 typedef bool (chunk_split_t)(void *, size_t, size_t, size_t, bool, unsigned); 327 328 /* 329 * bool 330 * chunk_merge(void *chunk_a, size_t size_a, void *chunk_b, size_t size_b, 331 * bool committed, unsigned arena_ind); 332 */ 333 typedef bool (chunk_merge_t)(void *, size_t, void *, size_t, bool, unsigned); 334 335 typedef struct { 336 chunk_alloc_t *alloc; 337 chunk_dalloc_t *dalloc; 338 chunk_commit_t *commit; 339 chunk_decommit_t *decommit; 340 chunk_purge_t *purge; 341 chunk_split_t *split; 342 chunk_merge_t *merge; 343 } chunk_hooks_t; 344 345 /* 346 * By default application code must explicitly refer to mangled symbol names, 347 * so that it is possible to use jemalloc in conjunction with another allocator 348 * in the same application. Define JEMALLOC_MANGLE in order to cause automatic 349 * name mangling that matches the API prefixing that happened as a result of 350 * --with-mangling and/or --with-jemalloc-prefix configuration settings. 351 */ 352 #ifdef JEMALLOC_MANGLE 353 # ifndef JEMALLOC_NO_DEMANGLE 354 # define JEMALLOC_NO_DEMANGLE 355 # endif 356 # define malloc_conf je_malloc_conf 357 # define malloc_message je_malloc_message 358 # define malloc je_malloc 359 # define calloc je_calloc 360 # define posix_memalign je_posix_memalign 361 # define aligned_alloc je_aligned_alloc 362 # define realloc je_realloc 363 # define free je_free 364 # define mallocx je_mallocx 365 # define rallocx je_rallocx 366 # define xallocx je_xallocx 367 # define sallocx je_sallocx 368 # define dallocx je_dallocx 369 # define sdallocx je_sdallocx 370 # define nallocx je_nallocx 371 # define mallctl je_mallctl 372 # define mallctlnametomib je_mallctlnametomib 373 # define mallctlbymib je_mallctlbymib 374 # define malloc_stats_print je_malloc_stats_print 375 # define malloc_usable_size je_malloc_usable_size 376 # define memalign je_memalign 377 # define valloc je_valloc 378 #endif 379 380 /* 381 * The je_* macros can be used as stable alternative names for the 382 * public jemalloc API if JEMALLOC_NO_DEMANGLE is defined. This is primarily 383 * meant for use in jemalloc itself, but it can be used by application code to 384 * provide isolation from the name mangling specified via --with-mangling 385 * and/or --with-jemalloc-prefix. 386 */ 387 #ifndef JEMALLOC_NO_DEMANGLE 388 # undef je_malloc_conf 389 # undef je_malloc_message 390 # undef je_malloc 391 # undef je_calloc 392 # undef je_posix_memalign 393 # undef je_aligned_alloc 394 # undef je_realloc 395 # undef je_free 396 # undef je_mallocx 397 # undef je_rallocx 398 # undef je_xallocx 399 # undef je_sallocx 400 # undef je_dallocx 401 # undef je_sdallocx 402 # undef je_nallocx 403 # undef je_mallctl 404 # undef je_mallctlnametomib 405 # undef je_mallctlbymib 406 # undef je_malloc_stats_print 407 # undef je_malloc_usable_size 408 # undef je_memalign 409 # undef je_valloc 410 #endif 411 412 #ifdef __cplusplus 413 } 414 #endif 415 #endif /* JEMALLOC_H_ */ 416
