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Integrate auto tcache into TSD.

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The embedded tcache is initialized upon tsd initialization.  The avail arrays
for the tbins will be allocated / deallocated accordingly during init / cleanup.

With this change, the pointer to the auto tcache will always be available, as
long as we have access to the TSD.  tcache_available() (called in tcache_get())
is provided to check if we should use tcache.
This commit is contained in:
Qi Wang 2017-03-27 21:50:38 -07:00 • committed by Qi Wang
parent eeabdd2466
commit fde3e20cc0
16 changed files with 300 additions and 178 deletions
Download patch file Download diff file Expand all files Collapse all files

7
include/jemalloc/internal/tsd_structs.h
View file

@ -16,7 +16,7 @@ struct tsd_init_head_s {
#define MALLOC_TSD \
/* O(name, type, [gs]et, init, cleanup) */ \
O(tcache, tcache_t *, yes, no, yes) \
O(tcache, tcache_t, yes, no, yes) \
O(thread_allocated, uint64_t, yes, no, no) \
O(thread_deallocated, uint64_t, yes, no, no) \
O(prof_tdata, prof_tdata_t *, yes, no, yes) \
@ -26,7 +26,7 @@ struct tsd_init_head_s {
O(narenas_tdata, unsigned, yes, no, no) \
O(arenas_tdata_bypass, bool, no, no, no) \
O(tcache_enabled, tcache_enabled_t, \
yes, no, no) \
yes, yes, no) \
O(rtree_ctx, rtree_ctx_t, no, yes, no) \
O(witnesses, witness_list_t, no, no, yes) \
O(rtree_leaf_elm_witnesses, rtree_leaf_elm_witness_tsd_t, \
@ -35,7 +35,7 @@ struct tsd_init_head_s {
#define TSD_INITIALIZER { \
tsd_state_uninitialized, \
NULL, \
TCACHE_ZERO_INITIALIZER, \
0, \
0, \
NULL, \
@ -69,6 +69,7 @@ struct tsdn_s {
};
static const tsd_t tsd_initializer = TSD_INITIALIZER;
UNUSED static const void *malloc_tsd_no_cleanup = (void *)0;
malloc_tsd_types(, tsd_t)