#ifndef JEMALLOC_INTERNAL_H #define JEMALLOC_INTERNAL_H #include "jemalloc_internal_defs.h" #include "jemalloc/internal/jemalloc_internal_decls.h" #ifdef JEMALLOC_UTRACE #include #endif #define JEMALLOC_NO_DEMANGLE #ifdef JEMALLOC_JET # define JEMALLOC_N(n) jet_##n # include "jemalloc/internal/public_namespace.h" # define JEMALLOC_NO_RENAME # include "../jemalloc@install_suffix@.h" # undef JEMALLOC_NO_RENAME #else # define JEMALLOC_N(n) @private_namespace@##n # include "../jemalloc@install_suffix@.h" #endif #include "jemalloc/internal/private_namespace.h" static const bool config_debug = #ifdef JEMALLOC_DEBUG true #else false #endif ; static const bool have_dss = #ifdef JEMALLOC_DSS true #else false #endif ; static const bool config_fill = #ifdef JEMALLOC_FILL true #else false #endif ; static const bool config_lazy_lock = #ifdef JEMALLOC_LAZY_LOCK true #else false #endif ; static const bool config_prof = #ifdef JEMALLOC_PROF true #else false #endif ; static const bool config_prof_libgcc = #ifdef JEMALLOC_PROF_LIBGCC true #else false #endif ; static const bool config_prof_libunwind = #ifdef JEMALLOC_PROF_LIBUNWIND true #else false #endif ; static const bool config_munmap = #ifdef JEMALLOC_MUNMAP true #else false #endif ; static const bool config_stats = #ifdef JEMALLOC_STATS true #else false #endif ; static const bool config_tcache = #ifdef JEMALLOC_TCACHE true #else false #endif ; static const bool config_tls = #ifdef JEMALLOC_TLS true #else false #endif ; static const bool config_utrace = #ifdef JEMALLOC_UTRACE true #else false #endif ; static const bool config_valgrind = #ifdef JEMALLOC_VALGRIND true #else false #endif ; static const bool config_xmalloc = #ifdef JEMALLOC_XMALLOC true #else false #endif ; static const bool config_ivsalloc = #ifdef JEMALLOC_IVSALLOC true #else false #endif ; #ifdef JEMALLOC_ATOMIC9 #include #endif #if (defined(JEMALLOC_OSATOMIC) || defined(JEMALLOC_OSSPIN)) #include #endif #ifdef JEMALLOC_ZONE #include #include #include #include #endif #define RB_COMPACT #include "jemalloc/internal/rb.h" #include "jemalloc/internal/qr.h" #include "jemalloc/internal/ql.h" /* * jemalloc can conceptually be broken into components (arena, tcache, etc.), * but there are circular dependencies that cannot be broken without * substantial performance degradation. In order to reduce the effect on * visual code flow, read the header files in multiple passes, with one of the * following cpp variables defined during each pass: * * JEMALLOC_H_TYPES : Preprocessor-defined constants and psuedo-opaque data * types. * JEMALLOC_H_STRUCTS : Data structures. * JEMALLOC_H_EXTERNS : Extern data declarations and function prototypes. * JEMALLOC_H_INLINES : Inline functions. */ /******************************************************************************/ #define JEMALLOC_H_TYPES #include "jemalloc/internal/jemalloc_internal_macros.h" #define MALLOCX_ARENA_MASK ((int)~0xff) #define MALLOCX_LG_ALIGN_MASK ((int)0x3f) /* Use MALLOCX_ALIGN_GET() if alignment may not be specified in flags. */ #define MALLOCX_ALIGN_GET_SPECIFIED(flags) \ (ZU(1) << (flags & MALLOCX_LG_ALIGN_MASK)) #define MALLOCX_ALIGN_GET(flags) \ (MALLOCX_ALIGN_GET_SPECIFIED(flags) & (SIZE_T_MAX-1)) #define MALLOCX_ZERO_GET(flags) \ ((bool)(flags & MALLOCX_ZERO)) #define MALLOCX_ARENA_GET(flags) \ (((unsigned)(flags >> 8)) - 1) /* Smallest size class to support. */ #define LG_TINY_MIN 3 #define TINY_MIN (1U << LG_TINY_MIN) /* * Minimum alignment of allocations is 2^LG_QUANTUM bytes (ignoring tiny size * classes). */ #ifndef LG_QUANTUM # if (defined(__i386__) || defined(_M_IX86)) # define LG_QUANTUM 4 # endif # ifdef __ia64__ # define LG_QUANTUM 4 # endif # ifdef __alpha__ # define LG_QUANTUM 4 # endif # ifdef __sparc64__ # define LG_QUANTUM 4 # endif # if (defined(__amd64__) || defined(__x86_64__) || defined(_M_X64)) # define LG_QUANTUM 4 # endif # ifdef __arm__ # define LG_QUANTUM 3 # endif # ifdef __aarch64__ # define LG_QUANTUM 4 # endif # ifdef __hppa__ # define LG_QUANTUM 4 # endif # ifdef __mips__ # define LG_QUANTUM 3 # endif # ifdef __or1k__ # define LG_QUANTUM 3 # endif # ifdef __powerpc__ # define LG_QUANTUM 4 # endif # ifdef __s390__ # define LG_QUANTUM 4 # endif # ifdef __SH4__ # define LG_QUANTUM 4 # endif # ifdef __tile__ # define LG_QUANTUM 4 # endif # ifdef __le32__ # define LG_QUANTUM 4 # endif # ifndef LG_QUANTUM # error "No LG_QUANTUM definition for architecture; specify via CPPFLAGS" # endif #endif #define QUANTUM ((size_t)(1U << LG_QUANTUM)) #define QUANTUM_MASK (QUANTUM - 1) /* Return the smallest quantum multiple that is >= a. */ #define QUANTUM_CEILING(a) \ (((a) + QUANTUM_MASK) & ~QUANTUM_MASK) #define LONG ((size_t)(1U << LG_SIZEOF_LONG)) #define LONG_MASK (LONG - 1) /* Return the smallest long multiple that is >= a. */ #define LONG_CEILING(a) \ (((a) + LONG_MASK) & ~LONG_MASK) #define SIZEOF_PTR (1U << LG_SIZEOF_PTR) #define PTR_MASK (SIZEOF_PTR - 1) /* Return the smallest (void *) multiple that is >= a. */ #define PTR_CEILING(a) \ (((a) + PTR_MASK) & ~PTR_MASK) /* * Maximum size of L1 cache line. This is used to avoid cache line aliasing. * In addition, this controls the spacing of cacheline-spaced size classes. * * CACHELINE cannot be based on LG_CACHELINE because __declspec(align()) can * only handle raw constants. */ #define LG_CACHELINE 6 #define CACHELINE 64 #define CACHELINE_MASK (CACHELINE - 1) /* Return the smallest cacheline multiple that is >= s. */ #define CACHELINE_CEILING(s) \ (((s) + CACHELINE_MASK) & ~CACHELINE_MASK) /* Page size. STATIC_PAGE_SHIFT is determined by the configure script. */ #ifdef PAGE_MASK # undef PAGE_MASK #endif #define LG_PAGE STATIC_PAGE_SHIFT #define PAGE ((size_t)(1U << STATIC_PAGE_SHIFT)) #define PAGE_MASK ((size_t)(PAGE - 1)) /* Return the smallest pagesize multiple that is >= s. */ #define PAGE_CEILING(s) \ (((s) + PAGE_MASK) & ~PAGE_MASK) /* Return the nearest aligned address at or below a. */ #define ALIGNMENT_ADDR2BASE(a, alignment) \ ((void *)((uintptr_t)(a) & (-(alignment)))) /* Return the offset between a and the nearest aligned address at or below a. */ #define ALIGNMENT_ADDR2OFFSET(a, alignment) \ ((size_t)((uintptr_t)(a) & (alignment - 1))) /* Return the smallest alignment multiple that is >= s. */ #define ALIGNMENT_CEILING(s, alignment) \ (((s) + (alignment - 1)) & (-(alignment))) /* Declare a variable length array */ #if __STDC_VERSION__ < 199901L # ifdef _MSC_VER # include # define alloca _alloca # else # ifdef JEMALLOC_HAS_ALLOCA_H # include # else # include # endif # endif # define VARIABLE_ARRAY(type, name, count) \ type *name = alloca(sizeof(type) * (count)) #else # define VARIABLE_ARRAY(type, name, count) type name[(count)] #endif #include "jemalloc/internal/valgrind.h" #include "jemalloc/internal/util.h" #include "jemalloc/internal/atomic.h" #include "jemalloc/internal/prng.h" #include "jemalloc/internal/ckh.h" #include "jemalloc/internal/size_classes.h" #include "jemalloc/internal/stats.h" #include "jemalloc/internal/ctl.h" #include "jemalloc/internal/mutex.h" #include "jemalloc/internal/tsd.h" #include "jemalloc/internal/mb.h" #include "jemalloc/internal/extent.h" #include "jemalloc/internal/arena.h" #include "jemalloc/internal/bitmap.h" #include "jemalloc/internal/base.h" #include "jemalloc/internal/chunk.h" #include "jemalloc/internal/huge.h" #include "jemalloc/internal/rtree.h" #include "jemalloc/internal/tcache.h" #include "jemalloc/internal/hash.h" #include "jemalloc/internal/quarantine.h" #include "jemalloc/internal/prof.h" #undef JEMALLOC_H_TYPES /******************************************************************************/ #define JEMALLOC_H_STRUCTS #include "jemalloc/internal/valgrind.h" #include "jemalloc/internal/util.h" #include "jemalloc/internal/atomic.h" #include "jemalloc/internal/prng.h" #include "jemalloc/internal/ckh.h" #include "jemalloc/internal/size_classes.h" #include "jemalloc/internal/stats.h" #include "jemalloc/internal/ctl.h" #include "jemalloc/internal/mutex.h" #include "jemalloc/internal/mb.h" #include "jemalloc/internal/bitmap.h" #include "jemalloc/internal/extent.h" #include "jemalloc/internal/arena.h" #include "jemalloc/internal/base.h" #include "jemalloc/internal/chunk.h" #include "jemalloc/internal/huge.h" #include "jemalloc/internal/rtree.h" #include "jemalloc/internal/tcache.h" #include "jemalloc/internal/hash.h" #include "jemalloc/internal/quarantine.h" #include "jemalloc/internal/prof.h" #include "jemalloc/internal/tsd.h" #undef JEMALLOC_H_STRUCTS /******************************************************************************/ #define JEMALLOC_H_EXTERNS extern bool opt_abort; extern bool opt_junk; extern size_t opt_quarantine; extern bool opt_redzone; extern bool opt_utrace; extern bool opt_xmalloc; extern bool opt_zero; extern size_t opt_narenas; extern bool in_valgrind; /* Number of CPUs. */ extern unsigned ncpus; /* Protects arenas initialization (arenas, arenas_total). */ extern malloc_mutex_t arenas_lock; /* * Arenas that are used to service external requests. Not all elements of the * arenas array are necessarily used; arenas are created lazily as needed. * * arenas[0..narenas_auto) are used for automatic multiplexing of threads and * arenas. arenas[narenas_auto..narenas_total) are only used if the application * takes some action to create them and allocate from them. */ extern arena_t **arenas; extern unsigned narenas_total; extern unsigned narenas_auto; /* Read-only after initialization. */ arena_t *arenas_extend(unsigned ind); arena_t *choose_arena_hard(tsd_t *tsd); void thread_allocated_cleanup(tsd_t *tsd); void thread_deallocated_cleanup(tsd_t *tsd); void arena_cleanup(tsd_t *tsd); void jemalloc_prefork(void); void jemalloc_postfork_parent(void); void jemalloc_postfork_child(void); #include "jemalloc/internal/valgrind.h" #include "jemalloc/internal/util.h" #include "jemalloc/internal/atomic.h" #include "jemalloc/internal/prng.h" #include "jemalloc/internal/ckh.h" #include "jemalloc/internal/size_classes.h" #include "jemalloc/internal/stats.h" #include "jemalloc/internal/ctl.h" #include "jemalloc/internal/mutex.h" #include "jemalloc/internal/mb.h" #include "jemalloc/internal/bitmap.h" #include "jemalloc/internal/extent.h" #include "jemalloc/internal/arena.h" #include "jemalloc/internal/base.h" #include "jemalloc/internal/chunk.h" #include "jemalloc/internal/huge.h" #include "jemalloc/internal/rtree.h" #include "jemalloc/internal/tcache.h" #include "jemalloc/internal/hash.h" #include "jemalloc/internal/quarantine.h" #include "jemalloc/internal/prof.h" #include "jemalloc/internal/tsd.h" #undef JEMALLOC_H_EXTERNS /******************************************************************************/ #define JEMALLOC_H_INLINES #include "jemalloc/internal/valgrind.h" #include "jemalloc/internal/util.h" #include "jemalloc/internal/atomic.h" #include "jemalloc/internal/prng.h" #include "jemalloc/internal/ckh.h" #include "jemalloc/internal/size_classes.h" #include "jemalloc/internal/stats.h" #include "jemalloc/internal/ctl.h" #include "jemalloc/internal/mutex.h" #include "jemalloc/internal/tsd.h" #include "jemalloc/internal/mb.h" #include "jemalloc/internal/extent.h" #include "jemalloc/internal/base.h" #include "jemalloc/internal/chunk.h" #include "jemalloc/internal/huge.h" /* * Include arena.h the first time in order to provide inline functions for this * header's inlines. */ #define JEMALLOC_ARENA_INLINE_A #include "jemalloc/internal/arena.h" #undef JEMALLOC_ARENA_INLINE_A #ifndef JEMALLOC_ENABLE_INLINE size_t s2u(size_t size); size_t sa2u(size_t size, size_t alignment); unsigned narenas_total_get(void); arena_t *choose_arena(tsd_t *tsd, arena_t *arena); #endif #if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_C_)) /* * Compute usable size that would result from allocating an object with the * specified size. */ JEMALLOC_ALWAYS_INLINE size_t s2u(size_t size) { if (size <= SMALL_MAXCLASS) return (small_s2u(size)); if (size <= arena_maxclass) return (PAGE_CEILING(size)); return (CHUNK_CEILING(size)); } /* * Compute usable size that would result from allocating an object with the * specified size and alignment. */ JEMALLOC_ALWAYS_INLINE size_t sa2u(size_t size, size_t alignment) { size_t usize; assert(alignment != 0 && ((alignment - 1) & alignment) == 0); /* * Round size up to the nearest multiple of alignment. * * This done, we can take advantage of the fact that for each small * size class, every object is aligned at the smallest power of two * that is non-zero in the base two representation of the size. For * example: * * Size | Base 2 | Minimum alignment * -----+----------+------------------ * 96 | 1100000 | 32 * 144 | 10100000 | 32 * 192 | 11000000 | 64 */ usize = ALIGNMENT_CEILING(size, alignment); /* * (usize < size) protects against the combination of maximal * alignment and size greater than maximal alignment. */ if (usize < size) { /* size_t overflow. */ return (0); } if (usize <= arena_maxclass && alignment <= PAGE) { if (usize <= SMALL_MAXCLASS) return (small_s2u(usize)); return (PAGE_CEILING(usize)); } else { size_t run_size; /* * We can't achieve subpage alignment, so round up alignment * permanently; it makes later calculations simpler. */ alignment = PAGE_CEILING(alignment); usize = PAGE_CEILING(size); /* * (usize < size) protects against very large sizes within * PAGE of SIZE_T_MAX. * * (usize + alignment < usize) protects against the * combination of maximal alignment and usize large enough * to cause overflow. This is similar to the first overflow * check above, but it needs to be repeated due to the new * usize value, which may now be *equal* to maximal * alignment, whereas before we only detected overflow if the * original size was *greater* than maximal alignment. */ if (usize < size || usize + alignment < usize) { /* size_t overflow. */ return (0); } /* * Calculate the size of the over-size run that arena_palloc() * would need to allocate in order to guarantee the alignment. * If the run wouldn't fit within a chunk, round up to a huge * allocation size. */ run_size = usize + alignment - PAGE; if (run_size <= arena_maxclass) return (PAGE_CEILING(usize)); return (CHUNK_CEILING(usize)); } } JEMALLOC_INLINE unsigned narenas_total_get(void) { unsigned narenas; malloc_mutex_lock(&arenas_lock); narenas = narenas_total; malloc_mutex_unlock(&arenas_lock); return (narenas); } /* Choose an arena based on a per-thread value. */ JEMALLOC_INLINE arena_t * choose_arena(tsd_t *tsd, arena_t *arena) { arena_t *ret; if (arena != NULL) return (arena); if (unlikely((ret = tsd_arena_get(tsd)) == NULL)) { ret = choose_arena_hard(tsd); assert(ret != NULL); } return (ret); } #endif #include "jemalloc/internal/bitmap.h" #include "jemalloc/internal/rtree.h" /* * Include arena.h the second and third times in order to resolve circular * dependencies with tcache.h. */ #define JEMALLOC_ARENA_INLINE_B #include "jemalloc/internal/arena.h" #undef JEMALLOC_ARENA_INLINE_B #include "jemalloc/internal/tcache.h" #define JEMALLOC_ARENA_INLINE_C #include "jemalloc/internal/arena.h" #undef JEMALLOC_ARENA_INLINE_C #include "jemalloc/internal/hash.h" #include "jemalloc/internal/quarantine.h" #ifndef JEMALLOC_ENABLE_INLINE void *imalloct(tsd_t *tsd, size_t size, bool try_tcache, arena_t *arena); void *imalloc(tsd_t *tsd, size_t size); void *icalloct(tsd_t *tsd, size_t size, bool try_tcache, arena_t *arena); void *icalloc(tsd_t *tsd, size_t size); void *ipalloct(tsd_t *tsd, size_t usize, size_t alignment, bool zero, bool try_tcache, arena_t *arena); void *ipalloc(tsd_t *tsd, size_t usize, size_t alignment, bool zero); size_t isalloc(const void *ptr, bool demote); size_t ivsalloc(const void *ptr, bool demote); size_t u2rz(size_t usize); size_t p2rz(const void *ptr); void idalloct(tsd_t *tsd, void *ptr, bool try_tcache); void isdalloct(tsd_t *tsd, void *ptr, size_t size, bool try_tcache); void idalloc(tsd_t *tsd, void *ptr); void iqalloc(tsd_t *tsd, void *ptr, bool try_tcache); void isqalloc(tsd_t *tsd, void *ptr, size_t size, bool try_tcache); void *iralloct_realign(tsd_t *tsd, void *ptr, size_t oldsize, size_t size, size_t extra, size_t alignment, bool zero, bool try_tcache_alloc, bool try_tcache_dalloc, arena_t *arena); void *iralloct(tsd_t *tsd, void *ptr, size_t size, size_t alignment, bool zero, bool try_tcache_alloc, bool try_tcache_dalloc, arena_t *arena); void *iralloc(tsd_t *tsd, void *ptr, size_t size, size_t alignment, bool zero); bool ixalloc(void *ptr, size_t size, size_t extra, size_t alignment, bool zero); #endif #if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_C_)) JEMALLOC_ALWAYS_INLINE void * imalloct(tsd_t *tsd, size_t size, bool try_tcache, arena_t *arena) { assert(size != 0); if (size <= arena_maxclass) return (arena_malloc(tsd, arena, size, false, try_tcache)); else return (huge_malloc(tsd, arena, size, false)); } JEMALLOC_ALWAYS_INLINE void * imalloc(tsd_t *tsd, size_t size) { return (imalloct(tsd, size, true, NULL)); } JEMALLOC_ALWAYS_INLINE void * icalloct(tsd_t *tsd, size_t size, bool try_tcache, arena_t *arena) { if (size <= arena_maxclass) return (arena_malloc(tsd, arena, size, true, try_tcache)); else return (huge_malloc(tsd, arena, size, true)); } JEMALLOC_ALWAYS_INLINE void * icalloc(tsd_t *tsd, size_t size) { return (icalloct(tsd, size, true, NULL)); } JEMALLOC_ALWAYS_INLINE void * ipalloct(tsd_t *tsd, size_t usize, size_t alignment, bool zero, bool try_tcache, arena_t *arena) { void *ret; assert(usize != 0); assert(usize == sa2u(usize, alignment)); if (usize <= arena_maxclass && alignment <= PAGE) ret = arena_malloc(tsd, arena, usize, zero, try_tcache); else { if (usize <= arena_maxclass) { ret = arena_palloc(choose_arena(tsd, arena), usize, alignment, zero); } else if (alignment <= chunksize) ret = huge_malloc(tsd, arena, usize, zero); else ret = huge_palloc(tsd, arena, usize, alignment, zero); } assert(ALIGNMENT_ADDR2BASE(ret, alignment) == ret); return (ret); } JEMALLOC_ALWAYS_INLINE void * ipalloc(tsd_t *tsd, size_t usize, size_t alignment, bool zero) { return (ipalloct(tsd, usize, alignment, zero, true, NULL)); } /* * Typical usage: * void *ptr = [...] * size_t sz = isalloc(ptr, config_prof); */ JEMALLOC_ALWAYS_INLINE size_t isalloc(const void *ptr, bool demote) { size_t ret; arena_chunk_t *chunk; assert(ptr != NULL); /* Demotion only makes sense if config_prof is true. */ assert(config_prof || !demote); chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); if (chunk != ptr) ret = arena_salloc(ptr, demote); else ret = huge_salloc(ptr); return (ret); } JEMALLOC_ALWAYS_INLINE size_t ivsalloc(const void *ptr, bool demote) { /* Return 0 if ptr is not within a chunk managed by jemalloc. */ if (rtree_get(chunks_rtree, (uintptr_t)CHUNK_ADDR2BASE(ptr)) == 0) return (0); return (isalloc(ptr, demote)); } JEMALLOC_INLINE size_t u2rz(size_t usize) { size_t ret; if (usize <= SMALL_MAXCLASS) { size_t binind = small_size2bin(usize); ret = arena_bin_info[binind].redzone_size; } else ret = 0; return (ret); } JEMALLOC_INLINE size_t p2rz(const void *ptr) { size_t usize = isalloc(ptr, false); return (u2rz(usize)); } JEMALLOC_ALWAYS_INLINE void idalloct(tsd_t *tsd, void *ptr, bool try_tcache) { arena_chunk_t *chunk; assert(ptr != NULL); chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); if (chunk != ptr) arena_dalloc(tsd, chunk, ptr, try_tcache); else huge_dalloc(ptr); } JEMALLOC_ALWAYS_INLINE void isdalloct(tsd_t *tsd, void *ptr, size_t size, bool try_tcache) { arena_chunk_t *chunk; assert(ptr != NULL); chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr); if (chunk != ptr) arena_sdalloc(tsd, chunk, ptr, size, try_tcache); else huge_dalloc(ptr); } JEMALLOC_ALWAYS_INLINE void idalloc(tsd_t *tsd, void *ptr) { idalloct(tsd, ptr, true); } JEMALLOC_ALWAYS_INLINE void iqalloc(tsd_t *tsd, void *ptr, bool try_tcache) { if (config_fill && unlikely(opt_quarantine)) quarantine(tsd, ptr); else idalloct(tsd, ptr, try_tcache); } JEMALLOC_ALWAYS_INLINE void isqalloc(tsd_t *tsd, void *ptr, size_t size, bool try_tcache) { if (config_fill && unlikely(opt_quarantine)) quarantine(tsd, ptr); else isdalloct(tsd, ptr, size, try_tcache); } JEMALLOC_ALWAYS_INLINE void * iralloct_realign(tsd_t *tsd, void *ptr, size_t oldsize, size_t size, size_t extra, size_t alignment, bool zero, bool try_tcache_alloc, bool try_tcache_dalloc, arena_t *arena) { void *p; size_t usize, copysize; usize = sa2u(size + extra, alignment); if (usize == 0) return (NULL); p = ipalloct(tsd, usize, alignment, zero, try_tcache_alloc, arena); if (p == NULL) { if (extra == 0) return (NULL); /* Try again, without extra this time. */ usize = sa2u(size, alignment); if (usize == 0) return (NULL); p = ipalloct(tsd, usize, alignment, zero, try_tcache_alloc, arena); if (p == NULL) return (NULL); } /* * Copy at most size bytes (not size+extra), since the caller has no * expectation that the extra bytes will be reliably preserved. */ copysize = (size < oldsize) ? size : oldsize; memcpy(p, ptr, copysize); iqalloc(tsd, ptr, try_tcache_dalloc); return (p); } JEMALLOC_ALWAYS_INLINE void * iralloct(tsd_t *tsd, void *ptr, size_t size, size_t alignment, bool zero, bool try_tcache_alloc, bool try_tcache_dalloc, arena_t *arena) { size_t oldsize; assert(ptr != NULL); assert(size != 0); oldsize = isalloc(ptr, config_prof); if (alignment != 0 && ((uintptr_t)ptr & ((uintptr_t)alignment-1)) != 0) { /* * Existing object alignment is inadequate; allocate new space * and copy. */ return (iralloct_realign(tsd, ptr, oldsize, size, 0, alignment, zero, try_tcache_alloc, try_tcache_dalloc, arena)); } if (size <= arena_maxclass) { return (arena_ralloc(tsd, arena, ptr, oldsize, size, 0, alignment, zero, try_tcache_alloc, try_tcache_dalloc)); } else { return (huge_ralloc(tsd, arena, ptr, oldsize, size, 0, alignment, zero, try_tcache_dalloc)); } } JEMALLOC_ALWAYS_INLINE void * iralloc(tsd_t *tsd, void *ptr, size_t size, size_t alignment, bool zero) { return (iralloct(tsd, ptr, size, alignment, zero, true, true, NULL)); } JEMALLOC_ALWAYS_INLINE bool ixalloc(void *ptr, size_t size, size_t extra, size_t alignment, bool zero) { size_t oldsize; assert(ptr != NULL); assert(size != 0); oldsize = isalloc(ptr, config_prof); if (alignment != 0 && ((uintptr_t)ptr & ((uintptr_t)alignment-1)) != 0) { /* Existing object alignment is inadequate. */ return (true); } if (size <= arena_maxclass) return (arena_ralloc_no_move(ptr, oldsize, size, extra, zero)); else return (huge_ralloc_no_move(ptr, oldsize, size, extra, zero)); } #endif #include "jemalloc/internal/prof.h" #undef JEMALLOC_H_INLINES /******************************************************************************/ #endif /* JEMALLOC_INTERNAL_H */