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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 d0e93ada51
commit 1b6e43507e
6 changed files with 102 additions and 30 deletions
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include/jemalloc/internal/tcache_externs.h
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@@ -43,5 +43,8 @@ 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_INTERNAL_TCACHE_EXTERNS_H */