diff options
Diffstat (limited to 'web/server/h2o/libh2o/lib/common/socket/evloop/kqueue.c.h')
-rw-r--r-- | web/server/h2o/libh2o/lib/common/socket/evloop/kqueue.c.h | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/web/server/h2o/libh2o/lib/common/socket/evloop/kqueue.c.h b/web/server/h2o/libh2o/lib/common/socket/evloop/kqueue.c.h deleted file mode 100644 index 21288ed7c..000000000 --- a/web/server/h2o/libh2o/lib/common/socket/evloop/kqueue.c.h +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Copyright (c) 2014 DeNA Co., Ltd. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ -#include <assert.h> -#include <stdio.h> -#include <sys/types.h> -#include <sys/event.h> -#include <sys/time.h> - -#if 0 -#define DEBUG_LOG(...) fprintf(stderr, __VA_ARGS__) -#else -#define DEBUG_LOG(...) -#endif - -struct st_h2o_socket_loop_kqueue_t { - h2o_evloop_t super; - int kq; -}; - -static void ev_set(struct kevent *ev, int fd, int filter, int flags, struct st_h2o_evloop_socket_t *sock) -{ -#ifdef __NetBSD__ - EV_SET(ev, fd, filter, flags, 0, 0, (intptr_t)sock); -#else - EV_SET(ev, fd, filter, flags, 0, 0, sock); -#endif -} - -static int collect_status(struct st_h2o_socket_loop_kqueue_t *loop, struct kevent *changelist, int changelist_capacity) -{ - int change_index = 0; - -#define SET_AND_UPDATE(filter, flags) \ - do { \ - ev_set(changelist + change_index++, sock->fd, filter, flags, sock); \ - if (change_index == changelist_capacity) { \ - int ret; \ - while ((ret = kevent(loop->kq, changelist, change_index, NULL, 0, NULL)) != 0 && errno == EINTR) \ - ; \ - if (ret == -1) \ - return -1; \ - change_index = 0; \ - } \ - } while (0) - - while (loop->super._statechanged.head != NULL) { - /* detach the top */ - struct st_h2o_evloop_socket_t *sock = loop->super._statechanged.head; - loop->super._statechanged.head = sock->_next_statechanged; - sock->_next_statechanged = sock; - /* update the state */ - if ((sock->_flags & H2O_SOCKET_FLAG_IS_DISPOSED) != 0) { - free(sock); - } else { - if (h2o_socket_is_reading(&sock->super)) { - if ((sock->_flags & H2O_SOCKET_FLAG_IS_POLLED_FOR_READ) == 0) { - sock->_flags |= H2O_SOCKET_FLAG_IS_POLLED_FOR_READ; - SET_AND_UPDATE(EVFILT_READ, EV_ADD); - } - } else { - if ((sock->_flags & H2O_SOCKET_FLAG_IS_POLLED_FOR_READ) != 0) { - sock->_flags &= ~H2O_SOCKET_FLAG_IS_POLLED_FOR_READ; - SET_AND_UPDATE(EVFILT_READ, EV_DELETE); - } - } - if (h2o_socket_is_writing(&sock->super)) { - if ((sock->_flags & H2O_SOCKET_FLAG_IS_POLLED_FOR_WRITE) == 0) { - sock->_flags |= H2O_SOCKET_FLAG_IS_POLLED_FOR_WRITE; - SET_AND_UPDATE(EVFILT_WRITE, EV_ADD); - } - } else { - if ((sock->_flags & H2O_SOCKET_FLAG_IS_POLLED_FOR_WRITE) != 0) { - sock->_flags &= ~H2O_SOCKET_FLAG_IS_POLLED_FOR_WRITE; - SET_AND_UPDATE(EVFILT_WRITE, EV_DELETE); - } - } - } - } - loop->super._statechanged.tail_ref = &loop->super._statechanged.head; - - return change_index; - -#undef SET_AND_UPDATE -} - -int evloop_do_proceed(h2o_evloop_t *_loop, int32_t max_wait) -{ - struct st_h2o_socket_loop_kqueue_t *loop = (struct st_h2o_socket_loop_kqueue_t *)_loop; - struct kevent changelist[64], events[128]; - int nchanges, nevents, i; - struct timespec ts; - - /* collect (and update) status */ - if ((nchanges = collect_status(loop, changelist, sizeof(changelist) / sizeof(changelist[0]))) == -1) - return -1; - - /* poll */ - max_wait = adjust_max_wait(&loop->super, max_wait); - ts.tv_sec = max_wait / 1000; - ts.tv_nsec = max_wait % 1000 * 1000 * 1000; - nevents = kevent(loop->kq, changelist, nchanges, events, sizeof(events) / sizeof(events[0]), &ts); - - update_now(&loop->super); - if (nevents == -1) - return -1; - - if (nevents != 0) - h2o_sliding_counter_start(&loop->super.exec_time_counter, loop->super._now); - - /* update readable flags, perform writes */ - for (i = 0; i != nevents; ++i) { - struct st_h2o_evloop_socket_t *sock = (void *)events[i].udata; - assert(sock->fd == events[i].ident); - switch (events[i].filter) { - case EVFILT_READ: - if (sock->_flags != H2O_SOCKET_FLAG_IS_DISPOSED) { - sock->_flags |= H2O_SOCKET_FLAG_IS_READ_READY; - link_to_pending(sock); - } - break; - case EVFILT_WRITE: - if (sock->_flags != H2O_SOCKET_FLAG_IS_DISPOSED) { - write_pending(sock); - } - break; - default: - break; /* ??? */ - } - } - - return 0; -} - -static void evloop_do_on_socket_create(struct st_h2o_evloop_socket_t *sock) -{ -} - -static void evloop_do_on_socket_close(struct st_h2o_evloop_socket_t *sock) -{ -} - -static void evloop_do_on_socket_export(struct st_h2o_evloop_socket_t *sock) -{ - struct st_h2o_socket_loop_kqueue_t *loop = (void *)sock->loop; - struct kevent changelist[2]; - int change_index = 0, ret; - - if ((sock->_flags & H2O_SOCKET_FLAG_IS_POLLED_FOR_READ) != 0) - ev_set(changelist + change_index++, sock->fd, EVFILT_READ, EV_DELETE, 0); - if ((sock->_flags & H2O_SOCKET_FLAG_IS_POLLED_FOR_WRITE) != 0) - ev_set(changelist + change_index++, sock->fd, EVFILT_WRITE, EV_DELETE, 0); - if (change_index == 0) - return; - while ((ret = kevent(loop->kq, changelist, change_index, NULL, 0, NULL)) != 0 && errno == EINTR) - ; - if (ret == -1) - fprintf(stderr, "kevent returned error %d (fd=%d)", errno, sock->fd); -} - -h2o_evloop_t *h2o_evloop_create(void) -{ - struct st_h2o_socket_loop_kqueue_t *loop = (struct st_h2o_socket_loop_kqueue_t *)create_evloop(sizeof(*loop)); - - loop->kq = kqueue(); - - return &loop->super; -} |