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Refactor/fix background_thread/percpu_arena bootstrapping.

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Refactor bootstrapping such that dlsym() is called during the
bootstrapping phase that can tolerate reentrant allocation.
This commit is contained in:
Jason Evans 2017-05-31 16:45:14 -07:00
parent 596b479d83
commit b511232fcd
12 changed files with 161 additions and 124 deletions
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7
src/ctl.c
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@ -1559,7 +1559,8 @@ CTL_RO_NL_GEN(opt_abort_conf, opt_abort_conf, bool)
CTL_RO_NL_GEN(opt_retain, opt_retain, bool)
CTL_RO_NL_GEN(opt_dss, opt_dss, const char *)
CTL_RO_NL_GEN(opt_narenas, opt_narenas, unsigned)
CTL_RO_NL_GEN(opt_percpu_arena, opt_percpu_arena, const char *)
CTL_RO_NL_GEN(opt_percpu_arena, percpu_arena_mode_names[opt_percpu_arena],
const char *)
CTL_RO_NL_GEN(opt_background_thread, opt_background_thread, bool)
CTL_RO_NL_GEN(opt_dirty_decay_ms, opt_dirty_decay_ms, ssize_t)
CTL_RO_NL_GEN(opt_muzzy_decay_ms, opt_muzzy_decay_ms, ssize_t)
@ -1610,8 +1611,8 @@ thread_arena_ctl(tsd_t *tsd, const size_t *mib, size_t miblen, void *oldp,
}
if (have_percpu_arena &&
(percpu_arena_mode != percpu_arena_disabled)) {
if (newind < percpu_arena_ind_limit()) {
PERCPU_ARENA_ENABLED(opt_percpu_arena)) {
if (newind < percpu_arena_ind_limit(opt_percpu_arena)) {
/*
* If perCPU arena is enabled, thread_arena
* control is not allowed for the auto arena