Line data Source code
1 : /*
2 : *
3 : * Copyright 2015, Google Inc.
4 : * All rights reserved.
5 : *
6 : * Redistribution and use in source and binary forms, with or without
7 : * modification, are permitted provided that the following conditions are
8 : * met:
9 : *
10 : * * Redistributions of source code must retain the above copyright
11 : * notice, this list of conditions and the following disclaimer.
12 : * * Redistributions in binary form must reproduce the above
13 : * copyright notice, this list of conditions and the following disclaimer
14 : * in the documentation and/or other materials provided with the
15 : * distribution.
16 : * * Neither the name of Google Inc. nor the names of its
17 : * contributors may be used to endorse or promote products derived from
18 : * this software without specific prior written permission.
19 : *
20 : * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 : * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 : * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 : * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 : * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 : * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 : * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 : * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 : * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 : * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 : * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 : *
32 : */
33 :
34 : #include "src/core/iomgr/closure.h"
35 :
36 : #include <grpc/support/alloc.h>
37 :
38 15520376 : void grpc_closure_init(grpc_closure *closure, grpc_iomgr_cb_func cb,
39 : void *cb_arg) {
40 15520376 : closure->cb = cb;
41 15520376 : closure->cb_arg = cb_arg;
42 15520376 : closure->next = NULL;
43 15520376 : }
44 :
45 31869812 : void grpc_closure_list_add(grpc_closure_list *closure_list,
46 : grpc_closure *closure, int success) {
47 63739624 : if (closure == NULL) return;
48 25271766 : closure->next = NULL;
49 25271766 : closure->success = success;
50 25271766 : if (closure_list->head == NULL) {
51 16524428 : closure_list->head = closure;
52 : } else {
53 8747338 : closure_list->tail->next = closure;
54 : }
55 25271766 : closure_list->tail = closure;
56 : }
57 :
58 49553959 : int grpc_closure_list_empty(grpc_closure_list closure_list) {
59 49553959 : return closure_list.head == NULL;
60 : }
61 :
62 323142 : void grpc_closure_list_move(grpc_closure_list *src, grpc_closure_list *dst) {
63 323142 : if (src->head == NULL) {
64 640600 : return;
65 : }
66 5684 : if (dst->head == NULL) {
67 5684 : *dst = *src;
68 : } else {
69 0 : dst->tail->next = src->head;
70 0 : dst->tail = src->tail;
71 : }
72 5684 : src->head = src->tail = NULL;
73 : }
74 :
75 : typedef struct {
76 : grpc_iomgr_cb_func cb;
77 : void *cb_arg;
78 : grpc_closure wrapper;
79 : } wrapped_closure;
80 :
81 1354 : static void closure_wrapper(grpc_exec_ctx *exec_ctx, void *arg, int success) {
82 1354 : wrapped_closure *wc = arg;
83 1354 : grpc_iomgr_cb_func cb = wc->cb;
84 1354 : void *cb_arg = wc->cb_arg;
85 1354 : gpr_free(wc);
86 1354 : cb(exec_ctx, cb_arg, success);
87 1354 : }
88 :
89 1354 : grpc_closure *grpc_closure_create(grpc_iomgr_cb_func cb, void *cb_arg) {
90 1354 : wrapped_closure *wc = gpr_malloc(sizeof(*wc));
91 1354 : wc->cb = cb;
92 1354 : wc->cb_arg = cb_arg;
93 1354 : grpc_closure_init(&wc->wrapper, closure_wrapper, wc);
94 1354 : return &wc->wrapper;
95 : }
|