X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/4934f93dfb30c93a1636e3227584e791cd062bfb..afc6bd1b48aede03d88dfc24cf1d832bc25f9a43:/deps/jemalloc.orig/include/jemalloc/internal/tcache.h

diff --git a/deps/jemalloc.orig/include/jemalloc/internal/tcache.h b/deps/jemalloc.orig/include/jemalloc/internal/tcache.h
deleted file mode 100644
index da3c68c5..00000000
--- a/deps/jemalloc.orig/include/jemalloc/internal/tcache.h
+++ /dev/null
@@ -1,431 +0,0 @@
-#ifdef JEMALLOC_TCACHE
-/******************************************************************************/
-#ifdef JEMALLOC_H_TYPES
-
-typedef struct tcache_bin_info_s tcache_bin_info_t;
-typedef struct tcache_bin_s tcache_bin_t;
-typedef struct tcache_s tcache_t;
-
-/*
- * Absolute maximum number of cache slots for each small bin in the thread
- * cache.  This is an additional constraint beyond that imposed as: twice the
- * number of regions per run for this size class.
- *
- * This constant must be an even number.
- */
-#define	TCACHE_NSLOTS_SMALL_MAX		200
-
-/* Number of cache slots for large size classes. */
-#define	TCACHE_NSLOTS_LARGE		20
-
-/* (1U << opt_lg_tcache_max) is used to compute tcache_maxclass. */
-#define	LG_TCACHE_MAXCLASS_DEFAULT	15
-
-/*
- * (1U << opt_lg_tcache_gc_sweep) is the approximate number of allocation
- * events between full GC sweeps (-1: disabled).  Integer rounding may cause
- * the actual number to be slightly higher, since GC is performed
- * incrementally.
- */
-#define	LG_TCACHE_GC_SWEEP_DEFAULT	13
-
-#endif /* JEMALLOC_H_TYPES */
-/******************************************************************************/
-#ifdef JEMALLOC_H_STRUCTS
-
-/*
- * Read-only information associated with each element of tcache_t's tbins array
- * is stored separately, mainly to reduce memory usage.
- */
-struct tcache_bin_info_s {
-	unsigned	ncached_max;	/* Upper limit on ncached. */
-};
-
-struct tcache_bin_s {
-#  ifdef JEMALLOC_STATS
-	tcache_bin_stats_t tstats;
-#  endif
-	int		low_water;	/* Min # cached since last GC. */
-	unsigned	lg_fill_div;	/* Fill (ncached_max >> lg_fill_div). */
-	unsigned	ncached;	/* # of cached objects. */
-	void		**avail;	/* Stack of available objects. */
-};
-
-struct tcache_s {
-#  ifdef JEMALLOC_STATS
-	ql_elm(tcache_t) link;		/* Used for aggregating stats. */
-#  endif
-#  ifdef JEMALLOC_PROF
-	uint64_t	prof_accumbytes;/* Cleared after arena_prof_accum() */
-#  endif
-	arena_t		*arena;		/* This thread's arena. */
-	unsigned	ev_cnt;		/* Event count since incremental GC. */
-	unsigned	next_gc_bin;	/* Next bin to GC. */
-	tcache_bin_t	tbins[1];	/* Dynamically sized. */
-	/*
-	 * The pointer stacks associated with tbins follow as a contiguous
-	 * array.  During tcache initialization, the avail pointer in each
-	 * element of tbins is initialized to point to the proper offset within
-	 * this array.
-	 */
-};
-
-#endif /* JEMALLOC_H_STRUCTS */
-/******************************************************************************/
-#ifdef JEMALLOC_H_EXTERNS
-
-extern bool	opt_tcache;
-extern ssize_t	opt_lg_tcache_max;
-extern ssize_t	opt_lg_tcache_gc_sweep;
-
-extern tcache_bin_info_t	*tcache_bin_info;
-
-/* Map of thread-specific caches. */
-#ifndef NO_TLS
-extern __thread tcache_t	*tcache_tls
-    JEMALLOC_ATTR(tls_model("initial-exec"));
-#  define TCACHE_GET()	tcache_tls
-#  define TCACHE_SET(v)	do {						\
-	tcache_tls = (tcache_t *)(v);					\
-	pthread_setspecific(tcache_tsd, (void *)(v));			\
-} while (0)
-#else
-#  define TCACHE_GET()	((tcache_t *)pthread_getspecific(tcache_tsd))
-#  define TCACHE_SET(v)	do {						\
-	pthread_setspecific(tcache_tsd, (void *)(v));			\
-} while (0)
-#endif
-extern pthread_key_t		tcache_tsd;
-
-/*
- * Number of tcache bins.  There are nbins small-object bins, plus 0 or more
- * large-object bins.
- */
-extern size_t			nhbins;
-
-/* Maximum cached size class. */
-extern size_t			tcache_maxclass;
-
-/* Number of tcache allocation/deallocation events between incremental GCs. */
-extern unsigned			tcache_gc_incr;
-
-void	tcache_bin_flush_small(tcache_bin_t *tbin, size_t binind, unsigned rem
-#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF))
-    , tcache_t *tcache
-#endif
-    );
-void	tcache_bin_flush_large(tcache_bin_t *tbin, size_t binind, unsigned rem
-#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF))
-    , tcache_t *tcache
-#endif
-    );
-tcache_t *tcache_create(arena_t *arena);
-void	*tcache_alloc_small_hard(tcache_t *tcache, tcache_bin_t *tbin,
-    size_t binind);
-void	tcache_destroy(tcache_t *tcache);
-#ifdef JEMALLOC_STATS
-void	tcache_stats_merge(tcache_t *tcache, arena_t *arena);
-#endif
-bool	tcache_boot(void);
-
-#endif /* JEMALLOC_H_EXTERNS */
-/******************************************************************************/
-#ifdef JEMALLOC_H_INLINES
-
-#ifndef JEMALLOC_ENABLE_INLINE
-void	tcache_event(tcache_t *tcache);
-tcache_t *tcache_get(void);
-void	*tcache_alloc_easy(tcache_bin_t *tbin);
-void	*tcache_alloc_small(tcache_t *tcache, size_t size, bool zero);
-void	*tcache_alloc_large(tcache_t *tcache, size_t size, bool zero);
-void	tcache_dalloc_small(tcache_t *tcache, void *ptr);
-void	tcache_dalloc_large(tcache_t *tcache, void *ptr, size_t size);
-#endif
-
-#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_TCACHE_C_))
-JEMALLOC_INLINE tcache_t *
-tcache_get(void)
-{
-	tcache_t *tcache;
-
-	if ((isthreaded & opt_tcache) == false)
-		return (NULL);
-
-	tcache = TCACHE_GET();
-	if ((uintptr_t)tcache <= (uintptr_t)2) {
-		if (tcache == NULL) {
-			tcache = tcache_create(choose_arena());
-			if (tcache == NULL)
-				return (NULL);
-		} else {
-			if (tcache == (void *)(uintptr_t)1) {
-				/*
-				 * Make a note that an allocator function was
-				 * called after the tcache_thread_cleanup() was
-				 * called.
-				 */
-				TCACHE_SET((uintptr_t)2);
-			}
-			return (NULL);
-		}
-	}
-
-	return (tcache);
-}
-
-JEMALLOC_INLINE void
-tcache_event(tcache_t *tcache)
-{
-
-	if (tcache_gc_incr == 0)
-		return;
-
-	tcache->ev_cnt++;
-	assert(tcache->ev_cnt <= tcache_gc_incr);
-	if (tcache->ev_cnt == tcache_gc_incr) {
-		size_t binind = tcache->next_gc_bin;
-		tcache_bin_t *tbin = &tcache->tbins[binind];
-		tcache_bin_info_t *tbin_info = &tcache_bin_info[binind];
-
-		if (tbin->low_water > 0) {
-			/*
-			 * Flush (ceiling) 3/4 of the objects below the low
-			 * water mark.
-			 */
-			if (binind < nbins) {
-				tcache_bin_flush_small(tbin, binind,
-				    tbin->ncached - tbin->low_water +
-				    (tbin->low_water >> 2)
-#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF))
-				    , tcache
-#endif
-				    );
-			} else {
-				tcache_bin_flush_large(tbin, binind,
-				    tbin->ncached - tbin->low_water +
-				    (tbin->low_water >> 2)
-#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF))
-				    , tcache
-#endif
-				    );
-			}
-			/*
-			 * Reduce fill count by 2X.  Limit lg_fill_div such that
-			 * the fill count is always at least 1.
-			 */
-			if ((tbin_info->ncached_max >> (tbin->lg_fill_div+1))
-			    >= 1)
-				tbin->lg_fill_div++;
-		} else if (tbin->low_water < 0) {
-			/*
-			 * Increase fill count by 2X.  Make sure lg_fill_div
-			 * stays greater than 0.
-			 */
-			if (tbin->lg_fill_div > 1)
-				tbin->lg_fill_div--;
-		}
-		tbin->low_water = tbin->ncached;
-
-		tcache->next_gc_bin++;
-		if (tcache->next_gc_bin == nhbins)
-			tcache->next_gc_bin = 0;
-		tcache->ev_cnt = 0;
-	}
-}
-
-JEMALLOC_INLINE void *
-tcache_alloc_easy(tcache_bin_t *tbin)
-{
-	void *ret;
-
-	if (tbin->ncached == 0) {
-		tbin->low_water = -1;
-		return (NULL);
-	}
-	tbin->ncached--;
-	if ((int)tbin->ncached < tbin->low_water)
-		tbin->low_water = tbin->ncached;
-	ret = tbin->avail[tbin->ncached];
-	return (ret);
-}
-
-JEMALLOC_INLINE void *
-tcache_alloc_small(tcache_t *tcache, size_t size, bool zero)
-{
-	void *ret;
-	size_t binind;
-	tcache_bin_t *tbin;
-
-	binind = SMALL_SIZE2BIN(size);
-	assert(binind < nbins);
-	tbin = &tcache->tbins[binind];
-	ret = tcache_alloc_easy(tbin);
-	if (ret == NULL) {
-		ret = tcache_alloc_small_hard(tcache, tbin, binind);
-		if (ret == NULL)
-			return (NULL);
-	}
-	assert(arena_salloc(ret) == arena_bin_info[binind].reg_size);
-
-	if (zero == false) {
-#ifdef JEMALLOC_FILL
-		if (opt_junk)
-			memset(ret, 0xa5, size);
-		else if (opt_zero)
-			memset(ret, 0, size);
-#endif
-	} else
-		memset(ret, 0, size);
-
-#ifdef JEMALLOC_STATS
-	tbin->tstats.nrequests++;
-#endif
-#ifdef JEMALLOC_PROF
-	tcache->prof_accumbytes += arena_bin_info[binind].reg_size;
-#endif
-	tcache_event(tcache);
-	return (ret);
-}
-
-JEMALLOC_INLINE void *
-tcache_alloc_large(tcache_t *tcache, size_t size, bool zero)
-{
-	void *ret;
-	size_t binind;
-	tcache_bin_t *tbin;
-
-	size = PAGE_CEILING(size);
-	assert(size <= tcache_maxclass);
-	binind = nbins + (size >> PAGE_SHIFT) - 1;
-	assert(binind < nhbins);
-	tbin = &tcache->tbins[binind];
-	ret = tcache_alloc_easy(tbin);
-	if (ret == NULL) {
-		/*
-		 * Only allocate one large object at a time, because it's quite
-		 * expensive to create one and not use it.
-		 */
-		ret = arena_malloc_large(tcache->arena, size, zero);
-		if (ret == NULL)
-			return (NULL);
-	} else {
-#ifdef JEMALLOC_PROF
-		arena_chunk_t *chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ret);
-		size_t pageind = (((uintptr_t)ret - (uintptr_t)chunk) >>
-		    PAGE_SHIFT);
-		chunk->map[pageind-map_bias].bits &= ~CHUNK_MAP_CLASS_MASK;
-#endif
-		if (zero == false) {
-#ifdef JEMALLOC_FILL
-			if (opt_junk)
-				memset(ret, 0xa5, size);
-			else if (opt_zero)
-				memset(ret, 0, size);
-#endif
-		} else
-			memset(ret, 0, size);
-
-#ifdef JEMALLOC_STATS
-		tbin->tstats.nrequests++;
-#endif
-#ifdef JEMALLOC_PROF
-		tcache->prof_accumbytes += size;
-#endif
-	}
-
-	tcache_event(tcache);
-	return (ret);
-}
-
-JEMALLOC_INLINE void
-tcache_dalloc_small(tcache_t *tcache, void *ptr)
-{
-	arena_t *arena;
-	arena_chunk_t *chunk;
-	arena_run_t *run;
-	arena_bin_t *bin;
-	tcache_bin_t *tbin;
-	tcache_bin_info_t *tbin_info;
-	size_t pageind, binind;
-	arena_chunk_map_t *mapelm;
-
-	assert(arena_salloc(ptr) <= small_maxclass);
-
-	chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr);
-	arena = chunk->arena;
-	pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> PAGE_SHIFT;
-	mapelm = &chunk->map[pageind-map_bias];
-	run = (arena_run_t *)((uintptr_t)chunk + (uintptr_t)((pageind -
-	    (mapelm->bits >> PAGE_SHIFT)) << PAGE_SHIFT));
-	dassert(run->magic == ARENA_RUN_MAGIC);
-	bin = run->bin;
-	binind = ((uintptr_t)bin - (uintptr_t)&arena->bins) /
-	    sizeof(arena_bin_t);
-	assert(binind < nbins);
-
-#ifdef JEMALLOC_FILL
-	if (opt_junk)
-		memset(ptr, 0x5a, arena_bin_info[binind].reg_size);
-#endif
-
-	tbin = &tcache->tbins[binind];
-	tbin_info = &tcache_bin_info[binind];
-	if (tbin->ncached == tbin_info->ncached_max) {
-		tcache_bin_flush_small(tbin, binind, (tbin_info->ncached_max >>
-		    1)
-#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF))
-		    , tcache
-#endif
-		    );
-	}
-	assert(tbin->ncached < tbin_info->ncached_max);
-	tbin->avail[tbin->ncached] = ptr;
-	tbin->ncached++;
-
-	tcache_event(tcache);
-}
-
-JEMALLOC_INLINE void
-tcache_dalloc_large(tcache_t *tcache, void *ptr, size_t size)
-{
-	arena_t *arena;
-	arena_chunk_t *chunk;
-	size_t pageind, binind;
-	tcache_bin_t *tbin;
-	tcache_bin_info_t *tbin_info;
-
-	assert((size & PAGE_MASK) == 0);
-	assert(arena_salloc(ptr) > small_maxclass);
-	assert(arena_salloc(ptr) <= tcache_maxclass);
-
-	chunk = (arena_chunk_t *)CHUNK_ADDR2BASE(ptr);
-	arena = chunk->arena;
-	pageind = ((uintptr_t)ptr - (uintptr_t)chunk) >> PAGE_SHIFT;
-	binind = nbins + (size >> PAGE_SHIFT) - 1;
-
-#ifdef JEMALLOC_FILL
-	if (opt_junk)
-		memset(ptr, 0x5a, size);
-#endif
-
-	tbin = &tcache->tbins[binind];
-	tbin_info = &tcache_bin_info[binind];
-	if (tbin->ncached == tbin_info->ncached_max) {
-		tcache_bin_flush_large(tbin, binind, (tbin_info->ncached_max >>
-		    1)
-#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF))
-		    , tcache
-#endif
-		    );
-	}
-	assert(tbin->ncached < tbin_info->ncached_max);
-	tbin->avail[tbin->ncached] = ptr;
-	tbin->ncached++;
-
-	tcache_event(tcache);
-}
-#endif
-
-#endif /* JEMALLOC_H_INLINES */
-/******************************************************************************/
-#endif /* JEMALLOC_TCACHE */