server-skynet-source-3rd-je.../include/jemalloc/internal/arena_structs.h

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#ifndef JEMALLOC_INTERNAL_ARENA_STRUCTS_B_H
#define JEMALLOC_INTERNAL_ARENA_STRUCTS_B_H
#include "jemalloc/internal/arena_stats.h"
#include "jemalloc/internal/atomic.h"
#include "jemalloc/internal/bin.h"
#include "jemalloc/internal/bitmap.h"
#include "jemalloc/internal/counter.h"
#include "jemalloc/internal/ecache.h"
#include "jemalloc/internal/edata_cache.h"
#include "jemalloc/internal/extent_dss.h"
#include "jemalloc/internal/jemalloc_internal_types.h"
#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/nstime.h"
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#include "jemalloc/internal/pa.h"
#include "jemalloc/internal/ql.h"
#include "jemalloc/internal/sc.h"
#include "jemalloc/internal/ticker.h"
struct arena_s {
/*
* Number of threads currently assigned to this arena. Each thread has
* two distinct assignments, one for application-serving allocation, and
* the other for internal metadata allocation. Internal metadata must
* not be allocated from arenas explicitly created via the arenas.create
* mallctl, because the arena.<i>.reset mallctl indiscriminately
* discards all allocations for the affected arena.
*
* 0: Application allocation.
* 1: Internal metadata allocation.
*
* Synchronization: atomic.
*/
atomic_u_t nthreads[2];
/* Next bin shard for binding new threads. Synchronization: atomic. */
atomic_u_t binshard_next;
/*
* When percpu_arena is enabled, to amortize the cost of reading /
* updating the current CPU id, track the most recent thread accessing
* this arena, and only read CPU if there is a mismatch.
*/
tsdn_t *last_thd;
/* Synchronization: internal. */
arena_stats_t stats;
/*
* Lists of tcaches and cache_bin_array_descriptors for extant threads
* associated with this arena. Stats from these are merged
* incrementally, and at exit if opt_stats_print is enabled.
*
* Synchronization: tcache_ql_mtx.
*/
ql_head(tcache_t) tcache_ql;
ql_head(cache_bin_array_descriptor_t) cache_bin_array_descriptor_ql;
malloc_mutex_t tcache_ql_mtx;
/* Synchronization: internal. */
counter_accum_t prof_accum;
/*
* Represents a dss_prec_t, but atomically.
*
* Synchronization: atomic.
*/
atomic_u_t dss_prec;
/*
* Extant large allocations.
*
* Synchronization: large_mtx.
*/
edata_list_t large;
/* Synchronizes all large allocation/update/deallocation. */
malloc_mutex_t large_mtx;
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/* The page-level allocator shard this arena uses. */
pa_shard_t pa_shard;
/*
* bins is used to store heaps of free regions.
*
* Synchronization: internal.
*/
bins_t bins[SC_NBINS];
/*
* Base allocator, from which arena metadata are allocated.
*
* Synchronization: internal.
*/
base_t *base;
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/* Used to determine uptime. Read-only after initialization. */
nstime_t create_time;
};
/* Used in conjunction with tsd for fast arena-related context lookup. */
struct arena_tdata_s {
ticker_t decay_ticker;
};
#endif /* JEMALLOC_INTERNAL_ARENA_STRUCTS_B_H */