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Add ctl_mutex proection to arena_i_dss_ctl().

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Add ctl_mutex proection to arena_i_dss_ctl(), since ctl_stats.narenas is
accessed.
This commit is contained in:
Jason Evans 2012-10-15 12:48:59 -07:00
parent 609ae595f0
commit a5c80f893e
1 changed files with 2 additions and 0 deletions
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2
src/ctl.c
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@ -1330,6 +1330,7 @@ arena_i_dss_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
dss_prec_t dss_prec_old = dss_prec_limit;
dss_prec_t dss_prec = dss_prec_limit;
malloc_mutex_lock(&ctl_mtx);
WRITE(dss, const char *);
match = false;
for (i = 0; i < dss_prec_limit; i++) {
@ -1365,6 +1366,7 @@ arena_i_dss_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
ret = 0;
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}