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arena_externs.h
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arena_inlines_a.h
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arena_inlines_b.h
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arena_stats.h
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arena_structs_a.h
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arena_structs_b.h
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arena_types.h
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assert.h
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atomic.h
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atomic_c11.h
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atomic_gcc_atomic.h
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atomic_gcc_sync.h
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background_thread_externs.h
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background_thread_inlines.h
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background_thread_structs.h
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base_externs.h
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base_inlines.h
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base_structs.h
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base_types.h
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bin.h
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bin_stats.h
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bin_types.h
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bit_util.h
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bitmap.h
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cache_bin.h
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ckh.h
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ctl.h
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div.h
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emitter.h
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extent_dss.h
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extent_externs.h
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extent_inlines.h
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extent_mmap.h
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extent_structs.h
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extent_types.h
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hash.h
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hook.h
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jemalloc_internal_decls.h
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jemalloc_internal_defs.h
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jemalloc_internal_defs_FreeBSD.h
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jemalloc_internal_externs.h
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jemalloc_internal_includes.h
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jemalloc_internal_inlines_a.h
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jemalloc_internal_inlines_b.h
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jemalloc_internal_inlines_c.h
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jemalloc_internal_macros.h
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jemalloc_internal_types.h
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jemalloc_preamble.h
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large_externs.h
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log.h
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malloc_io.h
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mutex.h
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mutex_pool.h
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mutex_prof.h
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nstime.h
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pages.h
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ph.h
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private_namespace.h
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prng.h
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prof_externs.h
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prof_inlines_a.h
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prof_inlines_b.h
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prof_structs.h
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prof_types.h
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public_namespace.h
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ql.h
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qr.h
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quantum.h
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rb.h
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rtree.h
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rtree_tsd.h
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safety_check.h
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sc.h
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seq.h
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smoothstep.h
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spin.h
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stats.h
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sz.h
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tcache_externs.h
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tcache_inlines.h
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tcache_structs.h
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tcache_types.h
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test_hooks.h
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ticker.h
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tsd.h
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tsd_generic.h
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tsd_malloc_thread_cleanup.h
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tsd_tls.h
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tsd_types.h
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util.h
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witness.h
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Editing: jemalloc_internal_inlines_a.h
#ifndef JEMALLOC_INTERNAL_INLINES_A_H #define JEMALLOC_INTERNAL_INLINES_A_H #include "jemalloc/internal/atomic.h" #include "jemalloc/internal/bit_util.h" #include "jemalloc/internal/jemalloc_internal_types.h" #include "jemalloc/internal/sc.h" #include "jemalloc/internal/ticker.h" JEMALLOC_ALWAYS_INLINE malloc_cpuid_t malloc_getcpu(void) { assert(have_percpu_arena); #if defined(_WIN32) return GetCurrentProcessorNumber(); #elif defined(JEMALLOC_HAVE_SCHED_GETCPU) return (malloc_cpuid_t)sched_getcpu(); #else not_reached(); return -1; #endif } /* Return the chosen arena index based on current cpu. */ JEMALLOC_ALWAYS_INLINE unsigned percpu_arena_choose(void) { assert(have_percpu_arena && PERCPU_ARENA_ENABLED(opt_percpu_arena)); malloc_cpuid_t cpuid = malloc_getcpu(); assert(cpuid >= 0); unsigned arena_ind; if ((opt_percpu_arena == percpu_arena) || ((unsigned)cpuid < ncpus / 2)) { arena_ind = cpuid; } else { assert(opt_percpu_arena == per_phycpu_arena); /* Hyper threads on the same physical CPU share arena. */ arena_ind = cpuid - ncpus / 2; } return arena_ind; } /* Return the limit of percpu auto arena range, i.e. arenas[0...ind_limit). */ JEMALLOC_ALWAYS_INLINE unsigned percpu_arena_ind_limit(percpu_arena_mode_t mode) { assert(have_percpu_arena && PERCPU_ARENA_ENABLED(mode)); if (mode == per_phycpu_arena && ncpus > 1) { if (ncpus % 2) { /* This likely means a misconfig. */ return ncpus / 2 + 1; } return ncpus / 2; } else { return ncpus; } } static inline arena_tdata_t * arena_tdata_get(tsd_t *tsd, unsigned ind, bool refresh_if_missing) { arena_tdata_t *tdata; arena_tdata_t *arenas_tdata = tsd_arenas_tdata_get(tsd); if (unlikely(arenas_tdata == NULL)) { /* arenas_tdata hasn't been initialized yet. */ return arena_tdata_get_hard(tsd, ind); } if (unlikely(ind >= tsd_narenas_tdata_get(tsd))) { /* * ind is invalid, cache is old (too small), or tdata to be * initialized. */ return (refresh_if_missing ? arena_tdata_get_hard(tsd, ind) : NULL); } tdata = &arenas_tdata[ind]; if (likely(tdata != NULL) || !refresh_if_missing) { return tdata; } return arena_tdata_get_hard(tsd, ind); } static inline arena_t * arena_get(tsdn_t *tsdn, unsigned ind, bool init_if_missing) { arena_t *ret; assert(ind < MALLOCX_ARENA_LIMIT); ret = (arena_t *)atomic_load_p(&arenas[ind], ATOMIC_ACQUIRE); if (unlikely(ret == NULL)) { if (init_if_missing) { ret = arena_init(tsdn, ind, (extent_hooks_t *)&extent_hooks_default); } } return ret; } static inline ticker_t * decay_ticker_get(tsd_t *tsd, unsigned ind) { arena_tdata_t *tdata; tdata = arena_tdata_get(tsd, ind, true); if (unlikely(tdata == NULL)) { return NULL; } return &tdata->decay_ticker; } JEMALLOC_ALWAYS_INLINE cache_bin_t * tcache_small_bin_get(tcache_t *tcache, szind_t binind) { assert(binind < SC_NBINS); return &tcache->bins_small[binind]; } JEMALLOC_ALWAYS_INLINE cache_bin_t * tcache_large_bin_get(tcache_t *tcache, szind_t binind) { assert(binind >= SC_NBINS &&binind < nhbins); return &tcache->bins_large[binind - SC_NBINS]; } JEMALLOC_ALWAYS_INLINE bool tcache_available(tsd_t *tsd) { /* * Thread specific auto tcache might be unavailable if: 1) during tcache * initialization, or 2) disabled through thread.tcache.enabled mallctl * or config options. This check covers all cases. */ if (likely(tsd_tcache_enabled_get(tsd))) { /* Associated arena == NULL implies tcache init in progress. */ assert(tsd_tcachep_get(tsd)->arena == NULL || tcache_small_bin_get(tsd_tcachep_get(tsd), 0)->avail != NULL); return true; } return false; } JEMALLOC_ALWAYS_INLINE tcache_t * tcache_get(tsd_t *tsd) { if (!tcache_available(tsd)) { return NULL; } return tsd_tcachep_get(tsd); } static inline void pre_reentrancy(tsd_t *tsd, arena_t *arena) { /* arena is the current context. Reentry from a0 is not allowed. */ assert(arena != arena_get(tsd_tsdn(tsd), 0, false)); bool fast = tsd_fast(tsd); assert(tsd_reentrancy_level_get(tsd) < INT8_MAX); ++*tsd_reentrancy_levelp_get(tsd); if (fast) { /* Prepare slow path for reentrancy. */ tsd_slow_update(tsd); assert(tsd_state_get(tsd) == tsd_state_nominal_slow); } } static inline void post_reentrancy(tsd_t *tsd) { int8_t *reentrancy_level = tsd_reentrancy_levelp_get(tsd); assert(*reentrancy_level > 0); if (--*reentrancy_level == 0) { tsd_slow_update(tsd); } } #endif /* JEMALLOC_INTERNAL_INLINES_A_H */
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