romenskiy2012/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-05-17 18:36:21 +03:00
Code Issues Projects Releases Packages Wiki Activity

Move background thread creation to background_thread_0.

Browse source 
To avoid complications, avoid invoking pthread_create "internally", instead rely
on thread0 to launch new threads, and also terminating threads when asked.
This commit is contained in:
Qi Wang 2017-06-08 22:46:31 -07:00 • committed by Qi Wang
parent 13685ab1b7
commit 464cb60490
4 changed files with 313 additions and 208 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/ctl.c
View file

@ -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);
}