project-base/server-skynet-source-3rd-jemalloc
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Clear cache bin ql postfork.

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This fixes a regression in 9c05490, which introduced the new cache bin ql.  The
list needs to be cleaned up after fork, same as tcache_ql.
This commit is contained in:
Qi Wang 2017-09-12 11:38:13 -07:00 committed by Qi Wang
parent 886053b966
commit 9b20a4bf70
1 changed files with 7 additions and 0 deletions
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7
src/arena.c
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@ -1936,6 +1936,7 @@ arena_new(tsdn_t *tsdn, unsigned ind, extent_hooks_t *extent_hooks) {
}
ql_new(&arena->tcache_ql);
ql_new(&arena->cache_bin_array_descriptor_ql);
if (malloc_mutex_init(&arena->tcache_ql_mtx, "tcache_ql",
WITNESS_RANK_TCACHE_QL, malloc_mutex_rank_exclusive)) {
goto label_error;
@ -2155,10 +2156,16 @@ arena_postfork_child(tsdn_t *tsdn, arena_t *arena) {
}
if (config_stats) {
ql_new(&arena->tcache_ql);
ql_new(&arena->cache_bin_array_descriptor_ql);
tcache_t *tcache = tcache_get(tsdn_tsd(tsdn));
if (tcache != NULL && tcache->arena == arena) {
ql_elm_new(tcache, link);
ql_tail_insert(&arena->tcache_ql, tcache, link);
cache_bin_array_descriptor_init(
&tcache->cache_bin_array_descriptor,
tcache->bins_small, tcache->bins_large);
ql_tail_insert(&arena->cache_bin_array_descriptor_ql,
&tcache->cache_bin_array_descriptor, link);
}
}