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Transition e_prof_tctx in struct extent to C11 atomics

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This commit is contained in:
David Goldblatt 2017-04-04 14:33:25 -07:00 • committed by David Goldblatt
parent 7da04a6b09
commit 864adb7f42
2 changed files with 8 additions and 8 deletions
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6
include/jemalloc/internal/extent_inlines.h
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@ -173,8 +173,8 @@ extent_slab_data_get_const(const extent_t *extent) {
JEMALLOC_INLINE prof_tctx_t *
extent_prof_tctx_get(const extent_t *extent) {
return (prof_tctx_t *)atomic_read_p(
&((extent_t *)extent)->e_prof_tctx_pun);
return (prof_tctx_t *)atomic_load_p(&extent->e_prof_tctx,
ATOMIC_ACQUIRE);
}
JEMALLOC_INLINE void
@ -272,7 +272,7 @@ extent_slab_set(extent_t *extent, bool slab) {
JEMALLOC_INLINE void
extent_prof_tctx_set(extent_t *extent, prof_tctx_t *tctx) {
atomic_write_p(&extent->e_prof_tctx_pun, tctx);
atomic_store_p(&extent->e_prof_tctx, tctx, ATOMIC_RELEASE);
}
JEMALLOC_INLINE void

10
include/jemalloc/internal/extent_structs.h
View file

@ -118,11 +118,11 @@ struct extent_s {
/* Small region slab metadata. */
arena_slab_data_t e_slab_data;
/* Profile counters, used for large objects. */
union {
void *e_prof_tctx_pun;
prof_tctx_t *e_prof_tctx;
};
/*
* Profile counters, used for large objects. Points to a
* prof_tctx_t.
*/
atomic_p_t e_prof_tctx;
};
};
typedef ql_head(extent_t) extent_list_t;