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Make extent_prof_tctx_[gs]et() atomic.

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This commit is contained in:
Jason Evans 2016-05-24 21:13:36 -07:00
parent 760bf11b23
commit 23c52c895f
1 changed files with 7 additions and 3 deletions
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10
include/jemalloc/internal/extent.h
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@ -45,7 +45,10 @@ struct extent_s {
bool e_slab;
/* Profile counters, used for huge objects. */
prof_tctx_t *e_prof_tctx;
union {
void *e_prof_tctx_pun;
prof_tctx_t *e_prof_tctx;
};
/* Linkage for arena's runs_dirty and chunks_cache rings. */
arena_runs_dirty_link_t rd;
@ -187,7 +190,8 @@ JEMALLOC_INLINE prof_tctx_t *
extent_prof_tctx_get(const extent_t *extent)
{
return (extent->e_prof_tctx);
return ((prof_tctx_t *)atomic_read_p(
&((extent_t *)extent)->e_prof_tctx_pun));
}
JEMALLOC_INLINE void
@ -250,7 +254,7 @@ JEMALLOC_INLINE void
extent_prof_tctx_set(extent_t *extent, prof_tctx_t *tctx)
{
extent->e_prof_tctx = tctx;
atomic_write_p(&extent->e_prof_tctx_pun, tctx);
}
JEMALLOC_INLINE void