server-skynet-source-3rd-je.../include/jemalloc/internal/extent_inlines.h
2017-01-20 21:43:07 -08:00

280 lines
7.6 KiB
C

#ifndef JEMALLOC_INTERNAL_EXTENT_INLINES_H
#define JEMALLOC_INTERNAL_EXTENT_INLINES_H
#ifndef JEMALLOC_ENABLE_INLINE
extent_t *extent_lookup(tsdn_t *tsdn, const void *ptr, bool dependent);
arena_t *extent_arena_get(const extent_t *extent);
void *extent_base_get(const extent_t *extent);
void *extent_addr_get(const extent_t *extent);
size_t extent_size_get(const extent_t *extent);
size_t extent_usize_get(const extent_t *extent);
void *extent_before_get(const extent_t *extent);
void *extent_last_get(const extent_t *extent);
void *extent_past_get(const extent_t *extent);
size_t extent_sn_get(const extent_t *extent);
bool extent_active_get(const extent_t *extent);
bool extent_retained_get(const extent_t *extent);
bool extent_zeroed_get(const extent_t *extent);
bool extent_committed_get(const extent_t *extent);
bool extent_slab_get(const extent_t *extent);
arena_slab_data_t *extent_slab_data_get(extent_t *extent);
const arena_slab_data_t *extent_slab_data_get_const(const extent_t *extent);
prof_tctx_t *extent_prof_tctx_get(const extent_t *extent);
void extent_arena_set(extent_t *extent, arena_t *arena);
void extent_addr_set(extent_t *extent, void *addr);
void extent_addr_randomize(tsdn_t *tsdn, extent_t *extent, size_t alignment);
void extent_size_set(extent_t *extent, size_t size);
void extent_usize_set(extent_t *extent, size_t usize);
void extent_sn_set(extent_t *extent, size_t sn);
void extent_active_set(extent_t *extent, bool active);
void extent_zeroed_set(extent_t *extent, bool zeroed);
void extent_committed_set(extent_t *extent, bool committed);
void extent_slab_set(extent_t *extent, bool slab);
void extent_prof_tctx_set(extent_t *extent, prof_tctx_t *tctx);
void extent_init(extent_t *extent, arena_t *arena, void *addr,
size_t size, size_t usize, size_t sn, bool active, bool zeroed,
bool committed, bool slab);
void extent_ring_insert(extent_t *sentinel, extent_t *extent);
void extent_ring_remove(extent_t *extent);
int extent_sn_comp(const extent_t *a, const extent_t *b);
int extent_ad_comp(const extent_t *a, const extent_t *b);
int extent_snad_comp(const extent_t *a, const extent_t *b);
#endif
#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_EXTENT_C_))
JEMALLOC_INLINE extent_t *
extent_lookup(tsdn_t *tsdn, const void *ptr, bool dependent) {
rtree_ctx_t rtree_ctx_fallback;
rtree_ctx_t *rtree_ctx = tsdn_rtree_ctx(tsdn, &rtree_ctx_fallback);
return rtree_read(tsdn, &extents_rtree, rtree_ctx, (uintptr_t)ptr,
dependent);
}
JEMALLOC_INLINE arena_t *
extent_arena_get(const extent_t *extent) {
return extent->e_arena;
}
JEMALLOC_INLINE void *
extent_base_get(const extent_t *extent) {
assert(extent->e_addr == PAGE_ADDR2BASE(extent->e_addr) ||
!extent->e_slab);
return PAGE_ADDR2BASE(extent->e_addr);
}
JEMALLOC_INLINE void *
extent_addr_get(const extent_t *extent) {
assert(extent->e_addr == PAGE_ADDR2BASE(extent->e_addr) ||
!extent->e_slab);
return extent->e_addr;
}
JEMALLOC_INLINE size_t
extent_size_get(const extent_t *extent) {
return extent->e_size;
}
JEMALLOC_INLINE size_t
extent_usize_get(const extent_t *extent) {
assert(!extent->e_slab);
return extent->e_usize;
}
JEMALLOC_INLINE void *
extent_before_get(const extent_t *extent) {
return (void *)((uintptr_t)extent_base_get(extent) - PAGE);
}
JEMALLOC_INLINE void *
extent_last_get(const extent_t *extent) {
return (void *)((uintptr_t)extent_base_get(extent) +
extent_size_get(extent) - PAGE);
}
JEMALLOC_INLINE void *
extent_past_get(const extent_t *extent) {
return (void *)((uintptr_t)extent_base_get(extent) +
extent_size_get(extent));
}
JEMALLOC_INLINE size_t
extent_sn_get(const extent_t *extent) {
return extent->e_sn;
}
JEMALLOC_INLINE bool
extent_active_get(const extent_t *extent) {
return extent->e_active;
}
JEMALLOC_INLINE bool
extent_retained_get(const extent_t *extent) {
return (qr_next(extent, qr_link) == extent);
}
JEMALLOC_INLINE bool
extent_zeroed_get(const extent_t *extent) {
return extent->e_zeroed;
}
JEMALLOC_INLINE bool
extent_committed_get(const extent_t *extent) {
return extent->e_committed;
}
JEMALLOC_INLINE bool
extent_slab_get(const extent_t *extent) {
return extent->e_slab;
}
JEMALLOC_INLINE arena_slab_data_t *
extent_slab_data_get(extent_t *extent) {
assert(extent->e_slab);
return &extent->e_slab_data;
}
JEMALLOC_INLINE const arena_slab_data_t *
extent_slab_data_get_const(const extent_t *extent) {
assert(extent->e_slab);
return &extent->e_slab_data;
}
JEMALLOC_INLINE prof_tctx_t *
extent_prof_tctx_get(const extent_t *extent) {
return (prof_tctx_t *)atomic_read_p(
&((extent_t *)extent)->e_prof_tctx_pun);
}
JEMALLOC_INLINE void
extent_arena_set(extent_t *extent, arena_t *arena) {
extent->e_arena = arena;
}
JEMALLOC_INLINE void
extent_addr_set(extent_t *extent, void *addr) {
extent->e_addr = addr;
}
JEMALLOC_INLINE void
extent_addr_randomize(tsdn_t *tsdn, extent_t *extent, size_t alignment) {
assert(extent_base_get(extent) == extent_addr_get(extent));
if (alignment < PAGE) {
unsigned lg_range = LG_PAGE -
lg_floor(CACHELINE_CEILING(alignment));
size_t r =
prng_lg_range_zu(&extent_arena_get(extent)->offset_state,
lg_range, true);
uintptr_t random_offset = ((uintptr_t)r) << (LG_PAGE -
lg_range);
extent->e_addr = (void *)((uintptr_t)extent->e_addr +
random_offset);
assert(ALIGNMENT_ADDR2BASE(extent->e_addr, alignment) ==
extent->e_addr);
}
}
JEMALLOC_INLINE void
extent_size_set(extent_t *extent, size_t size) {
extent->e_size = size;
}
JEMALLOC_INLINE void
extent_usize_set(extent_t *extent, size_t usize) {
extent->e_usize = usize;
}
JEMALLOC_INLINE void
extent_sn_set(extent_t *extent, size_t sn) {
extent->e_sn = sn;
}
JEMALLOC_INLINE void
extent_active_set(extent_t *extent, bool active) {
extent->e_active = active;
}
JEMALLOC_INLINE void
extent_zeroed_set(extent_t *extent, bool zeroed) {
extent->e_zeroed = zeroed;
}
JEMALLOC_INLINE void
extent_committed_set(extent_t *extent, bool committed) {
extent->e_committed = committed;
}
JEMALLOC_INLINE void
extent_slab_set(extent_t *extent, bool slab) {
extent->e_slab = slab;
}
JEMALLOC_INLINE void
extent_prof_tctx_set(extent_t *extent, prof_tctx_t *tctx) {
atomic_write_p(&extent->e_prof_tctx_pun, tctx);
}
JEMALLOC_INLINE void
extent_init(extent_t *extent, arena_t *arena, void *addr, size_t size,
size_t usize, size_t sn, bool active, bool zeroed, bool committed,
bool slab) {
assert(addr == PAGE_ADDR2BASE(addr) || !slab);
extent_arena_set(extent, arena);
extent_addr_set(extent, addr);
extent_size_set(extent, size);
extent_usize_set(extent, usize);
extent_sn_set(extent, sn);
extent_active_set(extent, active);
extent_zeroed_set(extent, zeroed);
extent_committed_set(extent, committed);
extent_slab_set(extent, slab);
if (config_prof) {
extent_prof_tctx_set(extent, NULL);
}
qr_new(extent, qr_link);
}
JEMALLOC_INLINE void
extent_ring_insert(extent_t *sentinel, extent_t *extent) {
qr_meld(sentinel, extent, extent_t, qr_link);
}
JEMALLOC_INLINE void
extent_ring_remove(extent_t *extent) {
qr_remove(extent, qr_link);
}
JEMALLOC_INLINE int
extent_sn_comp(const extent_t *a, const extent_t *b) {
size_t a_sn = extent_sn_get(a);
size_t b_sn = extent_sn_get(b);
return (a_sn > b_sn) - (a_sn < b_sn);
}
JEMALLOC_INLINE int
extent_ad_comp(const extent_t *a, const extent_t *b) {
uintptr_t a_addr = (uintptr_t)extent_addr_get(a);
uintptr_t b_addr = (uintptr_t)extent_addr_get(b);
return (a_addr > b_addr) - (a_addr < b_addr);
}
JEMALLOC_INLINE int
extent_snad_comp(const extent_t *a, const extent_t *b) {
int ret;
ret = extent_sn_comp(a, b);
if (ret != 0) {
return ret;
}
ret = extent_ad_comp(a, b);
return ret;
}
#endif
#endif /* JEMALLOC_INTERNAL_EXTENT_INLINES_H */