win/loop-watcher.c
Go to the documentation of this file.
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 #include <assert.h>
23 
24 #include "uv.h"
25 #include "internal.h"
26 #include "handle-inl.h"
27 
28 
29 void uv_loop_watcher_endgame(uv_loop_t* loop, uv_handle_t* handle) {
30  if (handle->flags & UV_HANDLE_CLOSING) {
31  assert(!(handle->flags & UV_HANDLE_CLOSED));
32  handle->flags |= UV_HANDLE_CLOSED;
33  uv__handle_close(handle);
34  }
35 }
36 
37 
38 #define UV_LOOP_WATCHER_DEFINE(name, NAME) \
39  int uv_##name##_init(uv_loop_t* loop, uv_##name##_t* handle) { \
40  uv__handle_init(loop, (uv_handle_t*) handle, UV_##NAME); \
41  \
42  return 0; \
43  } \
44  \
45  \
46  int uv_##name##_start(uv_##name##_t* handle, uv_##name##_cb cb) { \
47  uv_loop_t* loop = handle->loop; \
48  uv_##name##_t* old_head; \
49  \
50  assert(handle->type == UV_##NAME); \
51  \
52  if (uv__is_active(handle)) \
53  return 0; \
54  \
55  if (cb == NULL) \
56  return UV_EINVAL; \
57  \
58  old_head = loop->name##_handles; \
59  \
60  handle->name##_next = old_head; \
61  handle->name##_prev = NULL; \
62  \
63  if (old_head) { \
64  old_head->name##_prev = handle; \
65  } \
66  \
67  loop->name##_handles = handle; \
68  \
69  handle->name##_cb = cb; \
70  uv__handle_start(handle); \
71  \
72  return 0; \
73  } \
74  \
75  \
76  int uv_##name##_stop(uv_##name##_t* handle) { \
77  uv_loop_t* loop = handle->loop; \
78  \
79  assert(handle->type == UV_##NAME); \
80  \
81  if (!uv__is_active(handle)) \
82  return 0; \
83  \
84  /* Update loop head if needed */ \
85  if (loop->name##_handles == handle) { \
86  loop->name##_handles = handle->name##_next; \
87  } \
88  \
89  /* Update the iterator-next pointer of needed */ \
90  if (loop->next_##name##_handle == handle) { \
91  loop->next_##name##_handle = handle->name##_next; \
92  } \
93  \
94  if (handle->name##_prev) { \
95  handle->name##_prev->name##_next = handle->name##_next; \
96  } \
97  if (handle->name##_next) { \
98  handle->name##_next->name##_prev = handle->name##_prev; \
99  } \
100  \
101  uv__handle_stop(handle); \
102  \
103  return 0; \
104  } \
105  \
106  \
107  void uv_##name##_invoke(uv_loop_t* loop) { \
108  uv_##name##_t* handle; \
109  \
110  (loop)->next_##name##_handle = (loop)->name##_handles; \
111  \
112  while ((loop)->next_##name##_handle != NULL) { \
113  handle = (loop)->next_##name##_handle; \
114  (loop)->next_##name##_handle = handle->name##_next; \
115  \
116  handle->name##_cb(handle); \
117  } \
118  }
119 
120 UV_LOOP_WATCHER_DEFINE(prepare, PREPARE)
121 UV_LOOP_WATCHER_DEFINE(check, CHECK)
122 UV_LOOP_WATCHER_DEFINE(idle, IDLE)
async_greeter_server_with_graceful_shutdown.loop
loop
Definition: async_greeter_server_with_graceful_shutdown.py:59
UV_HANDLE_CLOSED
@ UV_HANDLE_CLOSED
Definition: uv-common.h:67
idle
static uv_idle_t idle
Definition: test-poll-oob.c:37
uv__handle_close
#define uv__handle_close(handle)
Definition: handle-inl.h:76
CHECK
#define CHECK(x)
Definition: bloaty/third_party/protobuf/php/ext/google/protobuf/upb.c:8085
prepare
static uv_prepare_t prepare
Definition: test-async.c:30
uv.h
UV_HANDLE_CLOSING
@ UV_HANDLE_CLOSING
Definition: uv-common.h:66
UV_LOOP_WATCHER_DEFINE
#define UV_LOOP_WATCHER_DEFINE(name, NAME)
Definition: win/loop-watcher.c:38
check
static void check(upb_inttable *t)
Definition: bloaty/third_party/protobuf/php/ext/google/protobuf/upb.c:1715
uv_loop_watcher_endgame
void uv_loop_watcher_endgame(uv_loop_t *loop, uv_handle_t *handle)
Definition: win/loop-watcher.c:29
handle
static csh handle
Definition: test_arm_regression.c:16
uv_handle_s
Definition: uv.h:441
uv_loop_s
Definition: uv.h:1767
internal.h
handle-inl.h

grpc
Author(s):
autogenerated on Fri May 16 2025 02:59:16