#ifndef JEMALLOC_INTERNAL_H
#define JEMALLOC_INTERNAL_H
#include "jemalloc_internal_defs.h"
#include "jemalloc/internal/jemalloc_internal_decls.h"
#ifdef JEMALLOC_UTRACE
#include <sys/ktrace.h>
#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 <machine/atomic.h>
#endif
#if (defined(JEMALLOC_OSATOMIC) || defined(JEMALLOC_OSSPIN))
#include <libkern/OSAtomic.h>
#endif
#ifdef JEMALLOC_ZONE
#include <mach/mach_error.h>
#include <mach/mach_init.h>
#include <mach/vm_map.h>
#include <malloc/malloc.h>
#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_LG_ALIGN_MASK ((int)0x3f)
/* 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 __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 <malloc.h>
# define alloca _alloca
# else
# ifdef JEMALLOC_HAS_ALLOCA_H
# include <alloca.h>
# else
# include <stdlib.h>
# 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/tsd.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"
typedef struct {
uint64_t allocated;
uint64_t deallocated;
} thread_allocated_t;
/*
* The JEMALLOC_ARG_CONCAT() wrapper is necessary to pass {0, 0} via a cpp macro
* argument.
*/
#define THREAD_ALLOCATED_INITIALIZER JEMALLOC_ARG_CONCAT({0, 0})
#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);
void arenas_cleanup(void *arg);
arena_t *choose_arena_hard(void);
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/tsd.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"
#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
malloc_tsd_protos(JEMALLOC_ATTR(unused), arenas, arena_t *)
size_t s2u(size_t size);
size_t sa2u(size_t size, size_t alignment);
unsigned narenas_total_get(void);
arena_t *choose_arena(arena_t *arena);
#endif
#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_C_))
/*
* Map of pthread_self() --> arenas[???], used for selecting an arena to use
* for allocations.
*/
malloc_tsd_externs(arenas, arena_t *)
malloc_tsd_funcs(JEMALLOC_ALWAYS_INLINE, arenas, arena_t *, NULL,
arenas_cleanup)
/*
* 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(arena_t *arena)
{
arena_t *ret;
if (arena != NULL)
return (arena);
if ((ret = *arenas_tsd_get()) == NULL) {
ret = choose_arena_hard();
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(size_t size, bool try_tcache, arena_t *arena);
void *imalloc(size_t size);
void *icalloct(size_t size, bool try_tcache, arena_t *arena);
void *icalloc(size_t size);
void *ipalloct(size_t usize, size_t alignment, bool zero, bool try_tcache,
arena_t *arena);
void *ipalloc(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(void *ptr, bool try_tcache);
void idalloc(void *ptr);
void iqalloct(void *ptr, bool try_tcache);
void iqalloc(void *ptr);
void *iralloct_realign(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(void *ptr, size_t size, size_t extra, size_t alignment,
bool zero, bool try_tcache_alloc, bool try_tcache_dalloc, arena_t *arena);
void *iralloc(void *ptr, size_t size, size_t extra, size_t alignment,
bool zero);
bool ixalloc(void *ptr, size_t size, size_t extra, size_t alignment,
bool zero);
malloc_tsd_protos(JEMALLOC_ATTR(unused), thread_allocated, thread_allocated_t)
#endif
#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_C_))
JEMALLOC_ALWAYS_INLINE void *
imalloct(size_t size, bool try_tcache, arena_t *arena)
{
assert(size != 0);
if (size <= arena_maxclass)
return (arena_malloc(arena, size, false, try_tcache));
else
return (huge_malloc(arena, size, false));
}
JEMALLOC_ALWAYS_INLINE void *
imalloc(size_t size)
{
return (imalloct(size, true, NULL));
}
JEMALLOC_ALWAYS_INLINE void *
icalloct(size_t size, bool try_tcache, arena_t *arena)
{
if (size <= arena_maxclass)
return (arena_malloc(arena, size, true, try_tcache));
else
return (huge_malloc(arena, size, true));
}
JEMALLOC_ALWAYS_INLINE void *
icalloc(size_t size)
{
return (icalloct(size, true, NULL));
}
JEMALLOC_ALWAYS_INLINE void *
ipalloct(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(arena, usize, zero, try_tcache);
else {
if (usize <= arena_maxclass) {
ret = arena_palloc(choose_arena(arena), usize,
alignment, zero);
} else if (alignment <= chunksize)
ret = huge_malloc(arena, usize, zero);
else
ret = huge_palloc(arena, usize, alignment, zero);
}
assert(ALIGNMENT_ADDR2BASE(ret, alignment) == ret);
return (ret);
}
JEMALLOC_ALWAYS_INLINE void *
ipalloc(size_t usize, size_t alignment, bool zero)
{
return (ipalloct(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 == false);
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(void *ptr, bool try_tcache)
{
arena_chunk_t *chunk;
assert(ptr != NULL);
chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr);
if (chunk != ptr)
arena_dalloc(chunk, ptr, try_tcache);
else
huge_dalloc(ptr);
}
JEMALLOC_ALWAYS_INLINE void
idalloc(void *ptr)
{
idalloct(ptr, true);
}
JEMALLOC_ALWAYS_INLINE void
iqalloct(void *ptr, bool try_tcache)
{
if (config_fill && opt_quarantine)
quarantine(ptr);
else
idalloct(ptr, try_tcache);
}
JEMALLOC_ALWAYS_INLINE void
iqalloc(void *ptr)
{
iqalloct(ptr, true);
}
JEMALLOC_ALWAYS_INLINE void *
iralloct_realign(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(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(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);
iqalloct(ptr, try_tcache_dalloc);
return (p);
}
JEMALLOC_ALWAYS_INLINE void *
iralloct(void *ptr, size_t size, size_t extra, 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(ptr, oldsize, size, extra, alignment,
zero, try_tcache_alloc, try_tcache_dalloc, arena));
}
if (size + extra <= arena_maxclass) {
return (arena_ralloc(arena, ptr, oldsize, size, extra,
alignment, zero, try_tcache_alloc,
try_tcache_dalloc));
} else {
return (huge_ralloc(arena, ptr, oldsize, size, extra,
alignment, zero, try_tcache_dalloc));
}
}
JEMALLOC_ALWAYS_INLINE void *
iralloc(void *ptr, size_t size, size_t extra, size_t alignment, bool zero)
{
return (iralloct(ptr, size, extra, 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));
}
malloc_tsd_externs(thread_allocated, thread_allocated_t)
malloc_tsd_funcs(JEMALLOC_ALWAYS_INLINE, thread_allocated, thread_allocated_t,
THREAD_ALLOCATED_INITIALIZER, malloc_tsd_no_cleanup)
#endif
#include "jemalloc/internal/prof.h"
#undef JEMALLOC_H_INLINES
/******************************************************************************/
#endif /* JEMALLOC_INTERNAL_H */