Remove quarantine support.

1 files changed, 0 insertions, 178 deletions

diff --git a/src/quarantine.c b/src/quarantine.c
deleted file mode 100644
index 9658ffa..0000000
--- a/src/quarantine.c
+++ /dev/null
@@ -1,178 +0,0 @@
-#define	JEMALLOC_QUARANTINE_C_
-#include "jemalloc/internal/jemalloc_internal.h"
-
-/*
- * Quarantine pointers close to NULL are used to encode state information that
- * is used for cleaning up during thread shutdown.
- */
-#define	QUARANTINE_STATE_REINCARNATED	((quarantine_t *)(uintptr_t)1)
-#define	QUARANTINE_STATE_PURGATORY	((quarantine_t *)(uintptr_t)2)
-#define	QUARANTINE_STATE_MAX		QUARANTINE_STATE_PURGATORY
-
-/******************************************************************************/
-/* Function prototypes for non-inline static functions. */
-
-static quarantine_t	*quarantine_grow(tsd_t *tsd, quarantine_t *quarantine);
-static void	quarantine_drain_one(tsdn_t *tsdn, quarantine_t *quarantine);
-static void	quarantine_drain(tsdn_t *tsdn, quarantine_t *quarantine,
-    size_t upper_bound);
-
-/******************************************************************************/
-
-static quarantine_t *
-quarantine_init(tsdn_t *tsdn, size_t lg_maxobjs)
-{
-	quarantine_t *quarantine;
-	size_t size;
-
-	size = offsetof(quarantine_t, objs) + ((ZU(1) << lg_maxobjs) *
-	    sizeof(quarantine_obj_t));
-	quarantine = (quarantine_t *)iallocztm(tsdn, size, size2index(size),
-	    false, NULL, true, arena_get(TSDN_NULL, 0, true), true);
-	if (quarantine == NULL)
-		return (NULL);
-	quarantine->curbytes = 0;
-	quarantine->curobjs = 0;
-	quarantine->first = 0;
-	quarantine->lg_maxobjs = lg_maxobjs;
-
-	return (quarantine);
-}
-
-void
-quarantine_alloc_hook_work(tsd_t *tsd)
-{
-	quarantine_t *quarantine;
-
-	if (!tsd_nominal(tsd))
-		return;
-
-	quarantine = quarantine_init(tsd_tsdn(tsd), LG_MAXOBJS_INIT);
-	/*
-	 * Check again whether quarantine has been initialized, because
-	 * quarantine_init() may have triggered recursive initialization.
-	 */
-	if (tsd_quarantine_get(tsd) == NULL)
-		tsd_quarantine_set(tsd, quarantine);
-	else
-		idalloctm(tsd_tsdn(tsd), quarantine, NULL, true, true);
-}
-
-static quarantine_t *
-quarantine_grow(tsd_t *tsd, quarantine_t *quarantine)
-{
-	quarantine_t *ret;
-
-	ret = quarantine_init(tsd_tsdn(tsd), quarantine->lg_maxobjs + 1);
-	if (ret == NULL) {
-		quarantine_drain_one(tsd_tsdn(tsd), quarantine);
-		return (quarantine);
-	}
-
-	ret->curbytes = quarantine->curbytes;
-	ret->curobjs = quarantine->curobjs;
-	if (quarantine->first + quarantine->curobjs <= (ZU(1) <<
-	    quarantine->lg_maxobjs)) {
-		/* objs ring buffer data are contiguous. */
-		memcpy(ret->objs, &quarantine->objs[quarantine->first],
-		    quarantine->curobjs * sizeof(quarantine_obj_t));
-	} else {
-		/* objs ring buffer data wrap around. */
-		size_t ncopy_a = (ZU(1) << quarantine->lg_maxobjs) -
-		    quarantine->first;
-		size_t ncopy_b = quarantine->curobjs - ncopy_a;
-
-		memcpy(ret->objs, &quarantine->objs[quarantine->first], ncopy_a
-		    * sizeof(quarantine_obj_t));
-		memcpy(&ret->objs[ncopy_a], quarantine->objs, ncopy_b *
-		    sizeof(quarantine_obj_t));
-	}
-	idalloctm(tsd_tsdn(tsd), quarantine, NULL, true, true);
-
-	tsd_quarantine_set(tsd, ret);
-	return (ret);
-}
-
-static void
-quarantine_drain_one(tsdn_t *tsdn, quarantine_t *quarantine)
-{
-	quarantine_obj_t *obj = &quarantine->objs[quarantine->first];
-	assert(obj->usize == isalloc(tsdn, obj->ptr, config_prof));
-	idalloctm(tsdn, obj->ptr, NULL, false, true);
-	quarantine->curbytes -= obj->usize;
-	quarantine->curobjs--;
-	quarantine->first = (quarantine->first + 1) & ((ZU(1) <<
-	    quarantine->lg_maxobjs) - 1);
-}
-
-static void
-quarantine_drain(tsdn_t *tsdn, quarantine_t *quarantine, size_t upper_bound)
-{
-
-	while (quarantine->curbytes > upper_bound && quarantine->curobjs > 0)
-		quarantine_drain_one(tsdn, quarantine);
-}
-
-void
-quarantine(tsd_t *tsd, void *ptr)
-{
-	quarantine_t *quarantine;
-	size_t usize = isalloc(tsd_tsdn(tsd), ptr, config_prof);
-
-	cassert(config_fill);
-	assert(opt_quarantine);
-
-	if ((quarantine = tsd_quarantine_get(tsd)) == NULL) {
-		idalloctm(tsd_tsdn(tsd), ptr, NULL, false, true);
-		return;
-	}
-	/*
-	 * Drain one or more objects if the quarantine size limit would be
-	 * exceeded by appending ptr.
-	 */
-	if (quarantine->curbytes + usize > opt_quarantine) {
-		size_t upper_bound = (opt_quarantine >= usize) ? opt_quarantine
-		    - usize : 0;
-		quarantine_drain(tsd_tsdn(tsd), quarantine, upper_bound);
-	}
-	/* Grow the quarantine ring buffer if it's full. */
-	if (quarantine->curobjs == (ZU(1) << quarantine->lg_maxobjs))
-		quarantine = quarantine_grow(tsd, quarantine);
-	/* quarantine_grow() must free a slot if it fails to grow. */
-	assert(quarantine->curobjs < (ZU(1) << quarantine->lg_maxobjs));
-	/* Append ptr if its size doesn't exceed the quarantine size. */
-	if (quarantine->curbytes + usize <= opt_quarantine) {
-		size_t offset = (quarantine->first + quarantine->curobjs) &
-		    ((ZU(1) << quarantine->lg_maxobjs) - 1);
-		quarantine_obj_t *obj = &quarantine->objs[offset];
-		obj->ptr = ptr;
-		obj->usize = usize;
-		quarantine->curbytes += usize;
-		quarantine->curobjs++;
-		if (config_fill && unlikely(opt_junk_free)) {
-			if (usize <= SMALL_MAXCLASS)
-				arena_quarantine_junk_small(ptr, usize);
-			else
-				memset(ptr, JEMALLOC_FREE_JUNK, usize);
-		}
-	} else {
-		assert(quarantine->curbytes == 0);
-		idalloctm(tsd_tsdn(tsd), ptr, NULL, false, true);
-	}
-}
-
-void
-quarantine_cleanup(tsd_t *tsd)
-{
-	quarantine_t *quarantine;
-
-	if (!config_fill)
-		return;
-
-	quarantine = tsd_quarantine_get(tsd);
-	if (quarantine != NULL) {
-		quarantine_drain(tsd_tsdn(tsd), quarantine, 0);
-		idalloctm(tsd_tsdn(tsd), quarantine, NULL, true, true);
-		tsd_quarantine_set(tsd, NULL);
-	}
-}