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| author | Qi Wang <interwq@gwu.edu> | 2017-06-09 05:46:31 (GMT) |
|---|---|---|
| committer | Qi Wang <interwq@gmail.com> | 2017-06-12 15:56:14 (GMT) |
| commit | 464cb60490efda800625b16fedd5bcd238e1526e (patch) | |
| tree | cf9a1798be2a035bbe1e735c16cb056f0abc1666 /src/ctl.c | |
| parent | 13685ab1b767091d817cb4959d24a42447a6fb78 (diff) | |
| download | jemalloc-464cb60490efda800625b16fedd5bcd238e1526e.zip jemalloc-464cb60490efda800625b16fedd5bcd238e1526e.tar.gz jemalloc-464cb60490efda800625b16fedd5bcd238e1526e.tar.bz2 | |
Move background thread creation to background_thread_0.
To avoid complications, avoid invoking pthread_create "internally", instead rely
on thread0 to launch new threads, and also terminating threads when asked.
Diffstat (limited to 'src/ctl.c')
| -rw-r--r-- | src/ctl.c | 12 |
1 files changed, 8 insertions, 4 deletions
@@ -1948,8 +1948,10 @@ arena_reset_prepare_background_thread(tsd_t *tsd, unsigned arena_ind) { unsigned ind = arena_ind % ncpus; background_thread_info_t *info = &background_thread_info[ind]; - assert(info->started); - background_threads_disable_single(tsd, info); + assert(info->started && !info->pause); + malloc_mutex_lock(tsd_tsdn(tsd), &info->mtx); + info->pause = true; + malloc_mutex_unlock(tsd_tsdn(tsd), &info->mtx); } } } @@ -1961,8 +1963,10 @@ arena_reset_finish_background_thread(tsd_t *tsd, unsigned arena_ind) { unsigned ind = arena_ind % ncpus; background_thread_info_t *info = &background_thread_info[ind]; - assert(!info->started); - background_thread_create(tsd, ind); + assert(info->started && info->pause); + malloc_mutex_lock(tsd_tsdn(tsd), &info->mtx); + info->pause = false; + malloc_mutex_unlock(tsd_tsdn(tsd), &info->mtx); } malloc_mutex_unlock(tsd_tsdn(tsd), &background_thread_lock); } |