1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 #ifndef UV_WIN_REQ_INL_H_
23 #define UV_WIN_REQ_INL_H_
31 #define SET_REQ_STATUS(req, status) \
32 (req)->u.io.overlapped.Internal = (ULONG_PTR) (status)
34 #define SET_REQ_ERROR(req, error) \
35 SET_REQ_STATUS((req), NTSTATUS_FROM_WIN32((error)))
37 /* Note: used open-coded in UV_REQ_INIT() because of a circular dependency
38 * between src/uv-common.h and src/win/internal.h.
40 #define SET_REQ_SUCCESS(req) \
41 SET_REQ_STATUS((req), STATUS_SUCCESS)
43 #define GET_REQ_STATUS(req) \
44 ((NTSTATUS) (req)->u.io.overlapped.Internal)
46 #define REQ_SUCCESS(req) \
47 (NT_SUCCESS(GET_REQ_STATUS((req))))
49 #define GET_REQ_ERROR(req) \
50 (pRtlNtStatusToDosError(GET_REQ_STATUS((req))))
52 #define GET_REQ_SOCK_ERROR(req) \
53 (uv__ntstatus_to_winsock_error(GET_REQ_STATUS((req))))
56 #define REGISTER_HANDLE_REQ(loop, handle, req) \
58 INCREASE_ACTIVE_COUNT((loop), (handle)); \
59 uv__req_register((loop), (req)); \
62 #define UNREGISTER_HANDLE_REQ(loop, handle, req) \
64 DECREASE_ACTIVE_COUNT((loop), (handle)); \
65 uv__req_unregister((loop), (req)); \
69 #define UV_SUCCEEDED_WITHOUT_IOCP(result) \
70 ((result) && (handle->flags & UV_HANDLE_SYNC_BYPASS_IOCP))
72 #define UV_SUCCEEDED_WITH_IOCP(result) \
73 ((result) || (GetLastError() == ERROR_IO_PENDING))
76 #define POST_COMPLETION_FOR_REQ(loop, req) \
77 if (!PostQueuedCompletionStatus((loop)->iocp, \
80 &((req)->u.io.overlapped))) { \
81 uv_fatal_error(GetLastError(), "PostQueuedCompletionStatus"); \
85 INLINE static uv_req_t* uv__overlapped_to_req(OVERLAPPED* overlapped) {
86 return CONTAINING_RECORD(overlapped, uv_req_t, u.io.overlapped);
90 INLINE static void uv__insert_pending_req(uv_loop_t* loop, uv_req_t* req) {
92 if (loop->pending_reqs_tail) {
94 /* Ensure the request is not already in the queue, or the queue
97 uv_req_t* current = loop->pending_reqs_tail;
99 assert(req != current);
100 current = current->next_req;
101 } while(current != loop->pending_reqs_tail);
104 req->next_req = loop->pending_reqs_tail->next_req;
105 loop->pending_reqs_tail->next_req = req;
106 loop->pending_reqs_tail = req;
109 loop->pending_reqs_tail = req;
114 #define DELEGATE_STREAM_REQ(loop, req, method, handle_at) \
116 switch (((uv_handle_t*) (req)->handle_at)->type) { \
118 uv__process_tcp_##method##_req(loop, \
119 (uv_tcp_t*) ((req)->handle_at), \
123 case UV_NAMED_PIPE: \
124 uv__process_pipe_##method##_req(loop, \
125 (uv_pipe_t*) ((req)->handle_at), \
130 uv__process_tty_##method##_req(loop, \
131 (uv_tty_t*) ((req)->handle_at), \
141 INLINE static void uv__process_reqs(uv_loop_t* loop) {
146 if (loop->pending_reqs_tail == NULL)
149 first = loop->pending_reqs_tail->next_req;
151 loop->pending_reqs_tail = NULL;
153 while (next != NULL) {
155 next = req->next_req != first ? req->next_req : NULL;
159 DELEGATE_STREAM_REQ(loop, req, read, data);
163 DELEGATE_STREAM_REQ(loop, (uv_write_t*) req, write, handle);
167 DELEGATE_STREAM_REQ(loop, req, accept, data);
171 DELEGATE_STREAM_REQ(loop, (uv_connect_t*) req, connect, handle);
175 DELEGATE_STREAM_REQ(loop, (uv_shutdown_t*) req, shutdown, handle);
179 uv__process_udp_recv_req(loop, (uv_udp_t*) req->data, req);
183 uv__process_udp_send_req(loop,
184 ((uv_udp_send_t*) req)->handle,
185 (uv_udp_send_t*) req);
189 uv__process_async_wakeup_req(loop, (uv_async_t*) req->data, req);
193 uv__process_signal_req(loop, (uv_signal_t*) req->data, req);
197 uv__process_poll_req(loop, (uv_poll_t*) req->data, req);
200 case UV_PROCESS_EXIT:
201 uv__process_proc_exit(loop, (uv_process_t*) req->data);
204 case UV_FS_EVENT_REQ:
205 uv__process_fs_event_req(loop, req, (uv_fs_event_t*) req->data);
214 #endif /* UV_WIN_REQ_INL_H_ */