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Do not (recursively) allocate within tsd_fetch().

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Refactor tsd so that tsdn_fetch() does not trigger allocation, since
allocation could cause infinite recursion.

This resolves #458.
This commit is contained in:
Jason Evans 2016-10-20 23:59:12 -07:00
parent e2bcf037d4
commit 962a2979e3
14 changed files with 176 additions and 130 deletions
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8
src/tcache.c
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@ -445,14 +445,14 @@ tcache_stats_merge(tsdn_t *tsdn, tcache_t *tcache, arena_t *arena)
}
bool
tcaches_create(tsdn_t *tsdn, unsigned *r_ind)
tcaches_create(tsd_t *tsd, unsigned *r_ind)
{
arena_t *arena;
tcache_t *tcache;
tcaches_t *elm;
if (tcaches == NULL) {
tcaches = base_alloc(tsdn, sizeof(tcache_t *) *
tcaches = base_alloc(tsd_tsdn(tsd), sizeof(tcache_t *) *
(MALLOCX_TCACHE_MAX+1));
if (tcaches == NULL)
return (true);
@ -460,10 +460,10 @@ tcaches_create(tsdn_t *tsdn, unsigned *r_ind)
if (tcaches_avail == NULL && tcaches_past > MALLOCX_TCACHE_MAX)
return (true);
arena = arena_ichoose(tsdn, NULL);
arena = arena_ichoose(tsd, NULL);
if (unlikely(arena == NULL))
return (true);
tcache = tcache_create(tsdn, arena);
tcache = tcache_create(tsd_tsdn(tsd), arena);
if (tcache == NULL)
return (true);