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 #define JEMALLOC_HAVE_ATTR_ALLOC_SIZE 12 13 /* Defined if format(gnu_printf, ...) attribute is supported. */ 14 #define 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 #define 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 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 #define 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_malloc_conf malloc_conf 60 # define je_malloc_message malloc_message 61 # define je_malloc malloc 62 # define je_calloc calloc 63 # define je_posix_memalign posix_memalign 64 # define je_aligned_alloc aligned_alloc 65 # define je_realloc realloc 66 # define je_free free 67 # define je_mallocx mallocx 68 # define je_rallocx rallocx 69 # define je_xallocx xallocx 70 # define je_sallocx sallocx 71 # define je_dallocx dallocx 72 # define je_sdallocx sdallocx 73 # define je_nallocx nallocx 74 # define je_mallctl mallctl 75 # define je_mallctlnametomib mallctlnametomib 76 # define je_mallctlbymib mallctlbymib 77 # define je_malloc_stats_print malloc_stats_print 78 // # define je_malloc_usable_size malloc_usable_size 79 # define je_memalign memalign 80 # define je_valloc valloc 81 #endif 82 83 #include <stdlib.h> 84 #include <stdbool.h> 85 #include <stdint.h> 86 #include <limits.h> 87 #include <strings.h> 88 89 #define JEMALLOC_VERSION "4.5.0-0-g04380e79f1e2428bd0ad000bbc6e3d2dfc6b66a5" 90 #define JEMALLOC_VERSION_MAJOR 4 91 #define JEMALLOC_VERSION_MINOR 5 92 #define JEMALLOC_VERSION_BUGFIX 0 93 #define JEMALLOC_VERSION_NREV 0 94 #define JEMALLOC_VERSION_GID "04380e79f1e2428bd0ad000bbc6e3d2dfc6b66a5" 95 96 # define MALLOCX_LG_ALIGN(la) ((int)(la)) 97 # if LG_SIZEOF_PTR == 2 98 # define MALLOCX_ALIGN(a) ((int)(ffs((int)(a))-1)) 99 # else 100 # define MALLOCX_ALIGN(a) \ 101 ((int)(((size_t)(a) < (size_t)INT_MAX) ? ffs((int)(a))-1 : \ 102 ffs((int)(((size_t)(a))>>32))+31)) 103 # endif 104 # define MALLOCX_ZERO ((int)0x40) 105 /* 106 * Bias tcache index bits so that 0 encodes "automatic tcache management", and 1 107 * encodes MALLOCX_TCACHE_NONE. 108 */ 109 # define MALLOCX_TCACHE(tc) ((int)(((tc)+2) << 8)) 110 # define MALLOCX_TCACHE_NONE MALLOCX_TCACHE(-1) 111 /* 112 * Bias arena index bits so that 0 encodes "use an automatically chosen arena". 113 */ 114 # define MALLOCX_ARENA(a) ((((int)(a))+1) << 20) 115 116 #if defined(__cplusplus) && defined(JEMALLOC_USE_CXX_THROW) 117 # define JEMALLOC_CXX_THROW throw() 118 #else 119 # define JEMALLOC_CXX_THROW 120 #endif 121 122 #if _MSC_VER 123 # define JEMALLOC_ATTR(s) 124 # define JEMALLOC_ALIGNED(s) __declspec(align(s)) 125 # define JEMALLOC_ALLOC_SIZE(s) 126 # define JEMALLOC_ALLOC_SIZE2(s1, s2) 127 # ifndef JEMALLOC_EXPORT 128 # ifdef DLLEXPORT 129 # define JEMALLOC_EXPORT __declspec(dllexport) 130 # else 131 # define JEMALLOC_EXPORT __declspec(dllimport) 132 # endif 133 # endif 134 # define JEMALLOC_FORMAT_PRINTF(s, i) 135 # define JEMALLOC_NOINLINE __declspec(noinline) 136 # ifdef __cplusplus 137 # define JEMALLOC_NOTHROW __declspec(nothrow) 138 # else 139 # define JEMALLOC_NOTHROW 140 # endif 141 # define JEMALLOC_SECTION(s) __declspec(allocate(s)) 142 # define JEMALLOC_RESTRICT_RETURN __declspec(restrict) 143 # if _MSC_VER >= 1900 && !defined(__EDG__) 144 # define JEMALLOC_ALLOCATOR __declspec(allocator) 145 # else 146 # define JEMALLOC_ALLOCATOR 147 # endif 148 #elif defined(JEMALLOC_HAVE_ATTR) 149 # define JEMALLOC_ATTR(s) __attribute__((s)) 150 # define JEMALLOC_ALIGNED(s) JEMALLOC_ATTR(aligned(s)) 151 // # ifdef JEMALLOC_HAVE_ATTR_ALLOC_SIZE 152 # if 0 153 # define JEMALLOC_ALLOC_SIZE(s) JEMALLOC_ATTR(alloc_size(s)) 154 # define JEMALLOC_ALLOC_SIZE2(s1, s2) JEMALLOC_ATTR(alloc_size(s1, s2)) 155 # else 156 # define JEMALLOC_ALLOC_SIZE(s) 157 # define JEMALLOC_ALLOC_SIZE2(s1, s2) 158 # endif 159 # ifndef JEMALLOC_EXPORT 160 # define JEMALLOC_EXPORT JEMALLOC_ATTR(visibility("default")) 161 # endif 162 # ifdef JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF 163 # define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(gnu_printf, s, i)) 164 # elif defined(JEMALLOC_HAVE_ATTR_FORMAT_PRINTF) 165 # define JEMALLOC_FORMAT_PRINTF(s, i) JEMALLOC_ATTR(format(printf, s, i)) 166 # else 167 # define JEMALLOC_FORMAT_PRINTF(s, i) 168 # endif 169 # define JEMALLOC_NOINLINE JEMALLOC_ATTR(noinline) 170 # define JEMALLOC_NOTHROW JEMALLOC_ATTR(nothrow) 171 # define JEMALLOC_SECTION(s) JEMALLOC_ATTR(section(s)) 172 # define JEMALLOC_RESTRICT_RETURN 173 # define JEMALLOC_ALLOCATOR 174 #else 175 # define JEMALLOC_ATTR(s) 176 # define JEMALLOC_ALIGNED(s) 177 # define JEMALLOC_ALLOC_SIZE(s) 178 # define JEMALLOC_ALLOC_SIZE2(s1, s2) 179 # define JEMALLOC_EXPORT 180 # define JEMALLOC_FORMAT_PRINTF(s, i) 181 # define JEMALLOC_NOINLINE 182 # define JEMALLOC_NOTHROW 183 # define JEMALLOC_SECTION(s) 184 # define JEMALLOC_RESTRICT_RETURN 185 # define JEMALLOC_ALLOCATOR 186 #endif 187 188 /* 189 * The je_ prefix on the following public symbol declarations is an artifact 190 * of namespace management, and should be omitted in application code unless 191 * JEMALLOC_NO_DEMANGLE is defined (see jemalloc_mangle.h). 192 */ 193 extern JEMALLOC_EXPORT const char *je_malloc_conf; 194 extern JEMALLOC_EXPORT void (*je_malloc_message)(void *cbopaque, 195 const char *s); 196 197 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 198 void JEMALLOC_NOTHROW *je_malloc(size_t size) 199 JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1); 200 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 201 void JEMALLOC_NOTHROW *je_calloc(size_t num, size_t size) 202 JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE2(1, 2); 203 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_posix_memalign(void **memptr, 204 size_t alignment, size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(nonnull(1)); 205 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 206 void JEMALLOC_NOTHROW *je_aligned_alloc(size_t alignment, 207 size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) 208 JEMALLOC_ALLOC_SIZE(2); 209 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 210 void JEMALLOC_NOTHROW *je_realloc(void *ptr, size_t size) 211 JEMALLOC_CXX_THROW JEMALLOC_ALLOC_SIZE(2); 212 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_free(void *ptr) 213 JEMALLOC_CXX_THROW; 214 215 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 216 void JEMALLOC_NOTHROW *je_mallocx(size_t size, int flags) 217 JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1); 218 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 219 void JEMALLOC_NOTHROW *je_rallocx(void *ptr, size_t size, 220 int flags) JEMALLOC_ALLOC_SIZE(2); 221 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_xallocx(void *ptr, size_t size, 222 size_t extra, int flags); 223 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_sallocx(const void *ptr, 224 int flags) JEMALLOC_ATTR(pure); 225 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_dallocx(void *ptr, int flags); 226 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_sdallocx(void *ptr, size_t size, 227 int flags); 228 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_nallocx(size_t size, int flags) 229 JEMALLOC_ATTR(pure); 230 231 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctl(const char *name, 232 void *oldp, size_t *oldlenp, void *newp, size_t newlen); 233 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctlnametomib(const char *name, 234 size_t *mibp, size_t *miblenp); 235 JEMALLOC_EXPORT int JEMALLOC_NOTHROW je_mallctlbymib(const size_t *mib, 236 size_t miblen, void *oldp, size_t *oldlenp, void *newp, size_t newlen); 237 JEMALLOC_EXPORT void JEMALLOC_NOTHROW je_malloc_stats_print( 238 void (*write_cb)(void *, const char *), void *je_cbopaque, 239 const char *opts); 240 JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_malloc_usable_size( 241 JEMALLOC_USABLE_SIZE_CONST void *ptr) JEMALLOC_CXX_THROW; 242 243 #ifdef JEMALLOC_OVERRIDE_MEMALIGN 244 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 245 void JEMALLOC_NOTHROW *je_memalign(size_t alignment, size_t size) 246 JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc); 247 #endif 248 249 #ifdef JEMALLOC_OVERRIDE_VALLOC 250 JEMALLOC_EXPORT JEMALLOC_ALLOCATOR JEMALLOC_RESTRICT_RETURN 251 void JEMALLOC_NOTHROW *je_valloc(size_t size) JEMALLOC_CXX_THROW 252 JEMALLOC_ATTR(malloc); 253 #endif 254 255 /* 256 * void * 257 * chunk_alloc(void *new_addr, size_t size, size_t alignment, bool *zero, 258 * bool *commit, unsigned arena_ind); 259 */ 260 typedef void *(chunk_alloc_t)(void *, size_t, size_t, bool *, bool *, unsigned); 261 262 /* 263 * bool 264 * chunk_dalloc(void *chunk, size_t size, bool committed, unsigned arena_ind); 265 */ 266 typedef bool (chunk_dalloc_t)(void *, size_t, bool, unsigned); 267 268 /* 269 * bool 270 * chunk_commit(void *chunk, size_t size, size_t offset, size_t length, 271 * unsigned arena_ind); 272 */ 273 typedef bool (chunk_commit_t)(void *, size_t, size_t, size_t, unsigned); 274 275 /* 276 * bool 277 * chunk_decommit(void *chunk, size_t size, size_t offset, size_t length, 278 * unsigned arena_ind); 279 */ 280 typedef bool (chunk_decommit_t)(void *, size_t, size_t, size_t, unsigned); 281 282 /* 283 * bool 284 * chunk_purge(void *chunk, size_t size, size_t offset, size_t length, 285 * unsigned arena_ind); 286 */ 287 typedef bool (chunk_purge_t)(void *, size_t, size_t, size_t, unsigned); 288 289 /* 290 * bool 291 * chunk_split(void *chunk, size_t size, size_t size_a, size_t size_b, 292 * bool committed, unsigned arena_ind); 293 */ 294 typedef bool (chunk_split_t)(void *, size_t, size_t, size_t, bool, unsigned); 295 296 /* 297 * bool 298 * chunk_merge(void *chunk_a, size_t size_a, void *chunk_b, size_t size_b, 299 * bool committed, unsigned arena_ind); 300 */ 301 typedef bool (chunk_merge_t)(void *, size_t, void *, size_t, bool, unsigned); 302 303 typedef struct { 304 chunk_alloc_t *alloc; 305 chunk_dalloc_t *dalloc; 306 chunk_commit_t *commit; 307 chunk_decommit_t *decommit; 308 chunk_purge_t *purge; 309 chunk_split_t *split; 310 chunk_merge_t *merge; 311 } chunk_hooks_t; 312 313 /* 314 * By default application code must explicitly refer to mangled symbol names, 315 * so that it is possible to use jemalloc in conjunction with another allocator 316 * in the same application. Define JEMALLOC_MANGLE in order to cause automatic 317 * name mangling that matches the API prefixing that happened as a result of 318 * --with-mangling and/or --with-jemalloc-prefix configuration settings. 319 */ 320 #ifdef JEMALLOC_MANGLE 321 # ifndef JEMALLOC_NO_DEMANGLE 322 # define JEMALLOC_NO_DEMANGLE 323 # endif 324 # define malloc_conf je_malloc_conf 325 # define malloc_message je_malloc_message 326 # define malloc je_malloc 327 # define calloc je_calloc 328 # define posix_memalign je_posix_memalign 329 # define aligned_alloc je_aligned_alloc 330 # define realloc je_realloc 331 # define free je_free 332 # define mallocx je_mallocx 333 # define rallocx je_rallocx 334 # define xallocx je_xallocx 335 # define sallocx je_sallocx 336 # define dallocx je_dallocx 337 # define sdallocx je_sdallocx 338 # define nallocx je_nallocx 339 # define mallctl je_mallctl 340 # define mallctlnametomib je_mallctlnametomib 341 # define mallctlbymib je_mallctlbymib 342 # define malloc_stats_print je_malloc_stats_print 343 # define malloc_usable_size je_malloc_usable_size 344 # define memalign je_memalign 345 # define valloc je_valloc 346 #endif 347 348 /* 349 * The je_* macros can be used as stable alternative names for the 350 * public jemalloc API if JEMALLOC_NO_DEMANGLE is defined. This is primarily 351 * meant for use in jemalloc itself, but it can be used by application code to 352 * provide isolation from the name mangling specified via --with-mangling 353 * and/or --with-jemalloc-prefix. 354 */ 355 #ifndef JEMALLOC_NO_DEMANGLE 356 # undef je_malloc_conf 357 # undef je_malloc_message 358 # undef je_malloc 359 # undef je_calloc 360 # undef je_posix_memalign 361 # undef je_aligned_alloc 362 # undef je_realloc 363 # undef je_free 364 # undef je_mallocx 365 # undef je_rallocx 366 # undef je_xallocx 367 # undef je_sallocx 368 # undef je_dallocx 369 # undef je_sdallocx 370 # undef je_nallocx 371 # undef je_mallctl 372 # undef je_mallctlnametomib 373 # undef je_mallctlbymib 374 # undef je_malloc_stats_print 375 # undef je_malloc_usable_size 376 # undef je_memalign 377 # undef je_valloc 378 #endif 379 380 #ifdef __cplusplus 381 } 382 #endif 383 #endif /* JEMALLOC_H_ */ 384