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Fix/refactor tcaches synchronization.

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Synchronize tcaches with tcaches_mtx rather than ctl_mtx.  Add missing
synchronization for tcache flushing.  This bug was introduced by
1cb181ed63 (Implement explicit tcache
support.), which was first released in 4.0.0.
This commit is contained in:
Jason Evans
2017-01-29 21:32:39 -08:00
parent fdba5ad5cc
commit 3ecc3c8486
6 changed files with 113 additions and 41 deletions
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3
include/jemalloc/internal/private_symbols.txt
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@@ -529,6 +529,9 @@ tcache_flush
tcache_get
tcache_get_hard
tcache_maxclass
tcache_prefork
tcache_postfork_child
tcache_postfork_parent
tcache_salloc
tcache_stats_merge
tcaches

3
include/jemalloc/internal/tcache.h
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@@ -149,6 +149,9 @@ bool tcaches_create(tsd_t *tsd, unsigned *r_ind);
void tcaches_flush(tsd_t *tsd, unsigned ind);
void tcaches_destroy(tsd_t *tsd, unsigned ind);
bool tcache_boot(tsdn_t *tsdn);
void tcache_prefork(tsdn_t *tsdn);
void tcache_postfork_parent(tsdn_t *tsdn);
void tcache_postfork_child(tsdn_t *tsdn);
#endif /* JEMALLOC_H_EXTERNS */
/******************************************************************************/

21
include/jemalloc/internal/witness.h
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@@ -14,19 +14,20 @@ typedef int witness_comp_t (const witness_t *, const witness_t *);
#define WITNESS_RANK_INIT 1U
#define WITNESS_RANK_CTL 1U
#define WITNESS_RANK_ARENAS 2U
#define WITNESS_RANK_TCACHES 2U
#define WITNESS_RANK_ARENAS 3U
#define WITNESS_RANK_PROF_DUMP 3U
#define WITNESS_RANK_PROF_BT2GCTX 4U
#define WITNESS_RANK_PROF_TDATAS 5U
#define WITNESS_RANK_PROF_TDATA 6U
#define WITNESS_RANK_PROF_GCTX 7U
#define WITNESS_RANK_PROF_DUMP 4U
#define WITNESS_RANK_PROF_BT2GCTX 5U
#define WITNESS_RANK_PROF_TDATAS 6U
#define WITNESS_RANK_PROF_TDATA 7U
#define WITNESS_RANK_PROF_GCTX 8U
#define WITNESS_RANK_ARENA 8U
#define WITNESS_RANK_ARENA_CHUNKS 9U
#define WITNESS_RANK_ARENA_NODE_CACHE 10
#define WITNESS_RANK_ARENA 9U
#define WITNESS_RANK_ARENA_CHUNKS 10U
#define WITNESS_RANK_ARENA_NODE_CACHE 11U
#define WITNESS_RANK_BASE 11U
#define WITNESS_RANK_BASE 12U
#define WITNESS_RANK_LEAF 0xffffffffU
#define WITNESS_RANK_ARENA_BIN WITNESS_RANK_LEAF