37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
#ifndef JEMALLOC_INTERNAL_BACKGROUND_THREAD_STRUCTS_H
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#define JEMALLOC_INTERNAL_BACKGROUND_THREAD_STRUCTS_H
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struct background_thread_info_s {
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malloc_mutex_t mtx;
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#ifdef JEMALLOC_BACKGROUND_THREAD
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/* Background thread is pthread specific. */
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pthread_cond_t cond;
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pthread_t thread;
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/* Whether the thread has been created. */
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bool started;
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/* Next scheduled wakeup time (absolute time). */
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nstime_t next_wakeup;
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/*
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* Since the last background thread run, newly added number of pages
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* that need to be purged by the next wakeup. This is adjusted on
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* epoch advance, and is used to determine whether we should signal the
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* background thread to wake up earlier.
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*/
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size_t npages_to_purge_new;
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/* Stats: total number of runs since started. */
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uint64_t tot_n_runs;
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/* Stats: total sleep time since started. */
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nstime_t tot_sleep_time;
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#endif /* ifdef JEMALLOC_BACKGROUND_THREAD */
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};
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typedef struct background_thread_info_s background_thread_info_t;
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struct background_thread_stats_s {
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size_t num_threads;
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uint64_t num_runs;
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nstime_t run_interval;
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};
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typedef struct background_thread_stats_s background_thread_stats_t;
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#endif /* JEMALLOC_INTERNAL_BACKGROUND_THREAD_STRUCTS_H */
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