apr_status_t h2_mplx_release_and_join(h2_mplx *m, apr_thread_cond_t *wait)
{
apr_status_t status;
workers_unregister(m);
status = apr_thread_mutex_lock(m->lock);
if (APR_SUCCESS == status) {
int attempts = 0;
release(m);
while (apr_atomic_read32(&m->refs) > 0) {
m->join_wait = wait;
ap_log_cerror(APLOG_MARK, (attempts? APLOG_INFO : APLOG_DEBUG),
0, m->c,
"h2_mplx(%ld): release_join, refs=%d, waiting...",
m->id, m->refs);
apr_thread_cond_timedwait(wait, m->lock, apr_time_from_sec(10));
if (++attempts >= 6) {
ap_log_cerror(APLOG_MARK, APLOG_WARNING, 0, m->c,
APLOGNO(02952)
"h2_mplx(%ld): join attempts exhausted, refs=%d",
m->id, m->refs);
break;
}
}
if (m->join_wait) {
ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, m->c,
"h2_mplx(%ld): release_join -> destroy", m->id);
}
m->join_wait = NULL;
apr_thread_mutex_unlock(m->lock);
h2_mplx_destroy(m);
}
return status;
}
apr_status_t h2_mplx_release_and_join(h2_mplx *m, apr_thread_cond_t *wait)
{
apr_status_t status;
workers_unregister(m);
status = apr_thread_mutex_lock(m->lock);
if (APR_SUCCESS == status) {
while (!h2_io_set_iter(m->stream_ios, stream_done_iter, m)) {
/* iterator until all h2_io have been orphaned or destroyed */
}
release(m, 0);
while (m->refs > 0) {
m->join_wait = wait;
ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, m->c,
"h2_mplx(%ld): release_join, refs=%d, waiting...",
m->id, m->refs);
apr_thread_cond_wait(wait, m->lock);
}
ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, m->c,
"h2_mplx(%ld): release_join -> destroy, (#ios=%ld)",
m->id, (long)h2_io_set_size(m->stream_ios));
h2_mplx_destroy(m);
/* all gone */
/*apr_thread_mutex_unlock(m->lock);*/
}
return status;
}
void h2_mplx_abort(h2_mplx *m)
{
AP_DEBUG_ASSERT(m);
apr_status_t status = apr_thread_mutex_lock(m->lock);
if (APR_SUCCESS == status) {
m->aborted = 1;
h2_io_set_destroy_all(m->stream_ios);
apr_thread_mutex_unlock(m->lock);
}
workers_unregister(m);
}
