[rustc.git] / src / libuv / src / win / handle-inl.h

/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
 *
 * 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.
 */

#ifndef UV_WIN_HANDLE_INL_H_
#define UV_WIN_HANDLE_INL_H_

#include <assert.h>

#include "uv.h"
#include "internal.h"


#define DECREASE_ACTIVE_COUNT(loop, handle)                             \
  do {                                                                  \
    if (--(handle)->activecnt == 0 &&                                   \
        !((handle)->flags & UV__HANDLE_CLOSING)) {                      \
      uv__handle_stop((handle));                                        \
    }                                                                   \
    assert((handle)->activecnt >= 0);                                   \
  } while (0)


#define INCREASE_ACTIVE_COUNT(loop, handle)                             \
  do {                                                                  \
    if ((handle)->activecnt++ == 0) {                                   \
      uv__handle_start((handle));                                       \
    }                                                                   \
    assert((handle)->activecnt > 0);                                    \
  } while (0)


#define DECREASE_PENDING_REQ_COUNT(handle)                              \
  do {                                                                  \
    assert(handle->reqs_pending > 0);                                   \
    handle->reqs_pending--;                                             \
                                                                        \
    if (handle->flags & UV__HANDLE_CLOSING &&                           \
        handle->reqs_pending == 0) {                                    \
      uv_want_endgame(loop, (uv_handle_t*)handle);                      \
    }                                                                   \
  } while (0)


#define uv__handle_closing(handle)                                      \
  do {                                                                  \
    assert(!((handle)->flags & UV__HANDLE_CLOSING));                    \
                                                                        \
    if (!(((handle)->flags & UV__HANDLE_ACTIVE) &&                      \
          ((handle)->flags & UV__HANDLE_REF)))                          \
      uv__active_handle_add((uv_handle_t*) (handle));                   \
                                                                        \
    (handle)->flags |= UV__HANDLE_CLOSING;                              \
    (handle)->flags &= ~UV__HANDLE_ACTIVE;                              \
  } while (0)


#define uv__handle_close(handle)                                        \
  do {                                                                  \
    ngx_queue_remove(&(handle)->handle_queue);                          \
    uv__active_handle_rm((uv_handle_t*) (handle));                      \
                                                                        \
    (handle)->flags |= UV_HANDLE_CLOSED;                                \
                                                                        \
    if ((handle)->close_cb)                                             \
      (handle)->close_cb((uv_handle_t*) (handle));                      \
  } while (0)


INLINE static void uv_want_endgame(uv_loop_t* loop, uv_handle_t* handle) {
  if (!(handle->flags & UV_HANDLE_ENDGAME_QUEUED)) {
    handle->flags |= UV_HANDLE_ENDGAME_QUEUED;

    handle->endgame_next = loop->endgame_handles;
    loop->endgame_handles = handle;
  }
}


INLINE static void uv_process_endgames(uv_loop_t* loop) {
  uv_handle_t* handle;

  while (loop->endgame_handles) {
    handle = loop->endgame_handles;
    loop->endgame_handles = handle->endgame_next;

    handle->flags &= ~UV_HANDLE_ENDGAME_QUEUED;

    switch (handle->type) {
      case UV_TCP:
        uv_tcp_endgame(loop, (uv_tcp_t*) handle);
        break;

      case UV_NAMED_PIPE:
        uv_pipe_endgame(loop, (uv_pipe_t*) handle);
        break;

      case UV_TTY:
        uv_tty_endgame(loop, (uv_tty_t*) handle);
        break;

      case UV_UDP:
        uv_udp_endgame(loop, (uv_udp_t*) handle);
        break;

      case UV_POLL:
        uv_poll_endgame(loop, (uv_poll_t*) handle);
        break;

      case UV_TIMER:
        uv_timer_endgame(loop, (uv_timer_t*) handle);
        break;

      case UV_PREPARE:
      case UV_CHECK:
      case UV_IDLE:
        uv_loop_watcher_endgame(loop, handle);
        break;

      case UV_ASYNC:
        uv_async_endgame(loop, (uv_async_t*) handle);
        break;

      case UV_SIGNAL:
        uv_signal_endgame(loop, (uv_signal_t*) handle);
        break;

      case UV_PROCESS:
        uv_process_endgame(loop, (uv_process_t*) handle);
        break;

      case UV_FS_EVENT:
        uv_fs_event_endgame(loop, (uv_fs_event_t*) handle);
        break;

      case UV_FS_POLL:
        uv__fs_poll_endgame(loop, (uv_fs_poll_t*) handle);
        break;

      default:
        assert(0);
        break;
    }
  }
}

#endif /* UV_WIN_HANDLE_INL_H_ */
Commit	Line	Data
223e47cc LB	1	/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
	2	*
	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:
	9	*
	10	* The above copyright notice and this permission notice shall be included in
	11	* all copies or substantial portions of the Software.
	12	*
	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
	19	* IN THE SOFTWARE.
	20	*/
	21
	22	#ifndef UV_WIN_HANDLE_INL_H_
	23	#define UV_WIN_HANDLE_INL_H_
	24
	25	#include <assert.h>
	26
	27	#include "uv.h"
	28	#include "internal.h"
	29
	30
	31	#define DECREASE_ACTIVE_COUNT(loop, handle) \
	32	do { \
	33	if (--(handle)->activecnt == 0 && \
	34	!((handle)->flags & UV__HANDLE_CLOSING)) { \
	35	uv__handle_stop((handle)); \
	36	} \
	37	assert((handle)->activecnt >= 0); \
	38	} while (0)
	39
	40
	41	#define INCREASE_ACTIVE_COUNT(loop, handle) \
	42	do { \
	43	if ((handle)->activecnt++ == 0) { \
	44	uv__handle_start((handle)); \
	45	} \
	46	assert((handle)->activecnt > 0); \
	47	} while (0)
	48
	49
	50	#define DECREASE_PENDING_REQ_COUNT(handle) \
	51	do { \
	52	assert(handle->reqs_pending > 0); \
	53	handle->reqs_pending--; \
	54	\
	55	if (handle->flags & UV__HANDLE_CLOSING && \
	56	handle->reqs_pending == 0) { \
	57	uv_want_endgame(loop, (uv_handle_t*)handle); \
	58	} \
	59	} while (0)
	60
	61
	62	#define uv__handle_closing(handle) \
	63	do { \
	64	assert(!((handle)->flags & UV__HANDLE_CLOSING)); \
65	\
66	if (!(((handle)->flags & UV__HANDLE_ACTIVE) && \
67	((handle)->flags & UV__HANDLE_REF))) \
68	uv__active_handle_add((uv_handle_t*) (handle)); \
69	\
70	(handle)->flags \|= UV__HANDLE_CLOSING; \
71	(handle)->flags &= ~UV__HANDLE_ACTIVE; \
72	} while (0)
73
74
75	#define uv__handle_close(handle) \
76	do { \
77	ngx_queue_remove(&(handle)->handle_queue); \
78	uv__active_handle_rm((uv_handle_t*) (handle)); \
79	\
80	(handle)->flags \|= UV_HANDLE_CLOSED; \
81	\
82	if ((handle)->close_cb) \
83	(handle)->close_cb((uv_handle_t*) (handle)); \
84	} while (0)
85
86
87	INLINE static void uv_want_endgame(uv_loop_t* loop, uv_handle_t* handle) {
88	if (!(handle->flags & UV_HANDLE_ENDGAME_QUEUED)) {
89	handle->flags \|= UV_HANDLE_ENDGAME_QUEUED;
90
91	handle->endgame_next = loop->endgame_handles;
92	loop->endgame_handles = handle;
93	}
94	}
95
96
97	INLINE static void uv_process_endgames(uv_loop_t* loop) {
98	uv_handle_t* handle;
99
100	while (loop->endgame_handles) {
101	handle = loop->endgame_handles;
102	loop->endgame_handles = handle->endgame_next;
103
104	handle->flags &= ~UV_HANDLE_ENDGAME_QUEUED;
105
106	switch (handle->type) {
107	case UV_TCP:
108	uv_tcp_endgame(loop, (uv_tcp_t*) handle);
109	break;
110
111	case UV_NAMED_PIPE:
112	uv_pipe_endgame(loop, (uv_pipe_t*) handle);
113	break;
114
115	case UV_TTY:
116	uv_tty_endgame(loop, (uv_tty_t*) handle);
117	break;
118
119	case UV_UDP:
120	uv_udp_endgame(loop, (uv_udp_t*) handle);
121	break;
122
123	case UV_POLL:
124	uv_poll_endgame(loop, (uv_poll_t*) handle);
125	break;
126
127	case UV_TIMER:
128	uv_timer_endgame(loop, (uv_timer_t*) handle);
129	break;
130
131	case UV_PREPARE:
132	case UV_CHECK:
133	case UV_IDLE:
134	uv_loop_watcher_endgame(loop, handle);
135	break;
136
137	case UV_ASYNC:
138	uv_async_endgame(loop, (uv_async_t*) handle);
139	break;
140
141	case UV_SIGNAL:
142	uv_signal_endgame(loop, (uv_signal_t*) handle);
143	break;
144
145	case UV_PROCESS:
146	uv_process_endgame(loop, (uv_process_t*) handle);
147	break;
148
149	case UV_FS_EVENT:
150	uv_fs_event_endgame(loop, (uv_fs_event_t*) handle);
151	break;
152
153	case UV_FS_POLL:
154	uv__fs_poll_endgame(loop, (uv_fs_poll_t*) handle);
155	break;
156
157	default:
158	assert(0);
159	break;
160	}
161	}
162	}
163
164	#endif /* UV_WIN_HANDLE_INL_H_ */