static void thread_deferred_cb_skew(void *arg) { struct basic_test_data *data = arg; struct timeval tv_timer = {4, 0}; struct deferred_cb_queue *queue; time_t elapsed; int i; queue = event_base_get_deferred_cb_queue(data->base); tt_assert(queue); for (i = 0; i < QUEUE_THREAD_COUNT; ++i) deferred_data[i].queue = queue; timer_start = time(NULL); event_base_once(data->base, -1, EV_TIMEOUT, timer_callback, NULL, &tv_timer); event_base_once(data->base, -1, EV_TIMEOUT, start_threads_callback, NULL, NULL); event_base_dispatch(data->base); elapsed = timer_end - timer_start; TT_BLATHER(("callback count, %u", callback_count)); TT_BLATHER(("elapsed time, %u", (unsigned)elapsed)); /* XXX be more intelligent here. just make sure skew is * within 2 seconds for now. */ tt_assert(elapsed >= 4 && elapsed <= 6); end: for (i = 0; i < QUEUE_THREAD_COUNT; ++i) THREAD_JOIN(load_threads[i]); }
static void accepted_socket_cb(struct event_overlapped *o, ev_uintptr_t key, ev_ssize_t n, int ok) { struct accepting_socket *as = EVUTIL_UPCAST(o, struct accepting_socket, overlapped); EnterCriticalSection(&as->lock); if (ok) { /* XXXX Don't do this if some EV_MT flag is set. */ event_deferred_cb_schedule( event_base_get_deferred_cb_queue(as->lev->event_base), &as->deferred); LeaveCriticalSection(&as->lock); } else if (as->free_on_cb) { free_and_unlock_accepting_socket(as); } else if (as->s == INVALID_SOCKET) { /* This is okay; we were disabled by iocp_listener_disable. */ LeaveCriticalSection(&as->lock); } else { /* Some error on accept that we couldn't actually handle. */ event_sock_warn(as->s, "Unexpected error on AcceptEx"); LeaveCriticalSection(&as->lock); /* XXXX recover better. */ } }
static void accepted_socket_cb(struct event_overlapped *o, ev_uintptr_t key, ev_ssize_t n, int ok) { struct accepting_socket *as = EVUTIL_UPCAST(o, struct accepting_socket, overlapped); LOCK(&as->lev->base); EnterCriticalSection(&as->lock); if (ok) { /* XXXX Don't do this if some EV_MT flag is set. */ event_deferred_cb_schedule( event_base_get_deferred_cb_queue(as->lev->event_base), &as->deferred); LeaveCriticalSection(&as->lock); } else if (as->free_on_cb) { struct evconnlistener *lev = &as->lev->base; free_and_unlock_accepting_socket(as); listener_decref_and_unlock(lev); return; } else if (as->s == INVALID_SOCKET) { /* This is okay; we were disabled by iocp_listener_disable. */ LeaveCriticalSection(&as->lock); } else { /* Some error on accept that we couldn't actually handle. */ BOOL ok; DWORD transfer = 0, flags=0; event_sock_warn(as->s, "Unexpected error on AcceptEx"); ok = WSAGetOverlappedResult(as->s, &o->overlapped, &transfer, FALSE, &flags); if (ok) { /* well, that was confusing! */ as->error = 1; } else { as->error = WSAGetLastError(); } event_deferred_cb_schedule( event_base_get_deferred_cb_queue(as->lev->event_base), &as->deferred); LeaveCriticalSection(&as->lock); } UNLOCK(&as->lev->base); }
static int start_accepting(struct accepting_socket *as) { /* requires lock */ const struct win32_extension_fns *ext = event_get_win32_extension_fns(); DWORD pending = 0; SOCKET s = socket(as->family, SOCK_STREAM, 0); int error = 0; if (!as->lev->base.enabled) return 0; if (s == INVALID_SOCKET) { error = WSAGetLastError(); goto report_err; } /* XXXX It turns out we need to do this again later. Does this call * have any effect? */ setsockopt(s, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, (char *)&as->lev->fd, sizeof(&as->lev->fd)); if (!(as->lev->base.flags & LEV_OPT_LEAVE_SOCKETS_BLOCKING)) evutil_make_socket_nonblocking(s); if (event_iocp_port_associate(as->lev->port, s, 1) < 0) { closesocket(s); return -1; } as->s = s; if (ext->AcceptEx(as->lev->fd, s, as->addrbuf, 0, as->buflen/2, as->buflen/2, &pending, &as->overlapped.overlapped)) { /* Immediate success! */ accepted_socket_cb(&as->overlapped, 1, 0, 1); } else { error = WSAGetLastError(); if (error != ERROR_IO_PENDING) { goto report_err; } } return 0; report_err: as->error = error; event_deferred_cb_schedule( event_base_get_deferred_cb_queue(as->lev->event_base), &as->deferred); return 0; }