b8b8027f19
Previously the calculation of sleep time between wakeups was implemented within background_thread. This resulted in some parts of decay and hpa specific logic mixing with background thread implementation. In this change, background thread delegates this calculation to arena and it, in turn, delegates it to PAI. The next step is to implement the actual calculation of time until deferred work in HPA.
37 lines
1.5 KiB
C
37 lines
1.5 KiB
C
#ifndef JEMALLOC_INTERNAL_BACKGROUND_THREAD_EXTERNS_H
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#define JEMALLOC_INTERNAL_BACKGROUND_THREAD_EXTERNS_H
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extern bool opt_background_thread;
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extern ssize_t opt_background_thread_hpa_interval_max_ms;
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extern size_t opt_max_background_threads;
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extern malloc_mutex_t background_thread_lock;
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extern atomic_b_t background_thread_enabled_state;
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extern size_t n_background_threads;
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extern size_t max_background_threads;
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extern background_thread_info_t *background_thread_info;
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bool background_thread_create(tsd_t *tsd, unsigned arena_ind);
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bool background_threads_enable(tsd_t *tsd);
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bool background_threads_disable(tsd_t *tsd);
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bool background_thread_running(background_thread_info_t* info);
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void background_thread_wakeup_early(background_thread_info_t *info,
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nstime_t *remaining_sleep);
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void background_thread_interval_check(tsdn_t *tsdn, arena_t *arena,
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decay_t *decay, size_t npages_new);
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void background_thread_prefork0(tsdn_t *tsdn);
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void background_thread_prefork1(tsdn_t *tsdn);
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void background_thread_postfork_parent(tsdn_t *tsdn);
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void background_thread_postfork_child(tsdn_t *tsdn);
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bool background_thread_stats_read(tsdn_t *tsdn,
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background_thread_stats_t *stats);
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void background_thread_ctl_init(tsdn_t *tsdn);
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#ifdef JEMALLOC_PTHREAD_CREATE_WRAPPER
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extern int pthread_create_wrapper(pthread_t *__restrict, const pthread_attr_t *,
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void *(*)(void *), void *__restrict);
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#endif
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bool background_thread_boot0(void);
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bool background_thread_boot1(tsdn_t *tsdn, base_t *base);
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#endif /* JEMALLOC_INTERNAL_BACKGROUND_THREAD_EXTERNS_H */
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