diff options
Diffstat (limited to 'sysdep/unix/io-loop.c')
| -rw-r--r-- | sysdep/unix/io-loop.c | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/sysdep/unix/io-loop.c b/sysdep/unix/io-loop.c index c73381da..a3b54394 100644 --- a/sysdep/unix/io-loop.c +++ b/sysdep/unix/io-loop.c @@ -294,6 +294,13 @@ pipe_pollin(struct pipe *p, struct pfd *pfd) BUFFER_PUSH(pfd->loop) = NULL; } +void +pipe_free(struct pipe *p) +{ + close(p->fd[0]); + close(p->fd[1]); +} + static inline void wakeup_init(struct bird_thread *loop) { @@ -312,6 +319,12 @@ wakeup_do_kick(struct bird_thread *loop) pipe_kick(&loop->wakeup); } +static inline void +wakeup_free(struct bird_thread *loop) +{ + pipe_free(&loop->wakeup); +} + static inline _Bool birdloop_try_ping(struct birdloop *loop, u32 ltt) { @@ -918,14 +931,24 @@ static void bird_thread_cleanup(void *_thr) { struct bird_thread *thr = _thr; + struct birdloop *meta = thr->meta; ASSERT_DIE(birdloop_inside(&main_birdloop)); - /* Free the meta loop */ - thr->meta->thread = NULL; - birdloop_free(thr->meta); + /* Wait until the thread actually finishes */ + ASSERT_DIE(meta); + birdloop_enter(meta); + birdloop_leave(meta); + + /* No more wakeup */ + wakeup_free(thr); /* Thread attributes no longer needed */ pthread_attr_destroy(&thr->thread_attr); + + /* Free the meta loop */ + thr->meta->thread = NULL; + thr->meta = NULL; + birdloop_free(meta); } static struct bird_thread * @@ -1035,6 +1058,10 @@ bird_thread_shutdown(void * _ UNUSED) /* Leave the thread-dropper loop as we aren't going to return. */ birdloop_leave(thread_dropper); + /* Last try to run the priority event list; ruin it then to be extra sure */ + ev_run_list(&this_thread->priority_events); + memset(&this_thread->priority_events, 0xa5, sizeof(this_thread->priority_events)); + /* Drop loops including the thread dropper itself */ while (!EMPTY_LIST(thr->loops)) { @@ -1054,8 +1081,8 @@ bird_thread_shutdown(void * _ UNUSED) wakeup_do_kick(SKIP_BACK(struct bird_thread, n, HEAD(group->threads))); UNLOCK_DOMAIN(attrs, group->domain); - /* Stop the meta loop */ - birdloop_leave(thr->meta); + /* Request thread cleanup from main loop */ + ev_send_loop(&main_birdloop, &thr->cleanup_event); /* Local pages not needed anymore */ flush_local_pages(); @@ -1063,8 +1090,8 @@ bird_thread_shutdown(void * _ UNUSED) /* Unregister from RCU */ rcu_thread_stop(&thr->rcu); - /* Request thread cleanup from main loop */ - ev_send_loop(&main_birdloop, &thr->cleanup_event); + /* Now we can be cleaned up */ + birdloop_leave(thr->meta); /* Exit! */ pthread_exit(NULL); |