Craig Tiller | 298751c | 2015-09-22 09:41:05 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 6169d5f | 2016-03-31 07:46:18 -0700 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Craig Tiller | 298751c | 2015-09-22 09:41:05 -0700 | [diff] [blame] | 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 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 34 | #include "src/core/lib/iomgr/closure.h" |
Craig Tiller | 298751c | 2015-09-22 09:41:05 -0700 | [diff] [blame] | 35 | |
Craig Tiller | 3ff551b | 2015-10-06 09:11:37 -0700 | [diff] [blame] | 36 | #include <grpc/support/alloc.h> |
Craig Tiller | 7c70b6c | 2017-01-23 07:48:42 -0800 | [diff] [blame] | 37 | #include <grpc/support/log.h> |
Craig Tiller | 3ff551b | 2015-10-06 09:11:37 -0700 | [diff] [blame] | 38 | |
Craig Tiller | de2c41c | 2016-09-01 15:08:08 -0700 | [diff] [blame] | 39 | #include "src/core/lib/profiling/timers.h" |
| 40 | |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 41 | grpc_closure *grpc_closure_init(grpc_closure *closure, grpc_iomgr_cb_func cb, |
| 42 | void *cb_arg, |
| 43 | grpc_closure_scheduler *scheduler) { |
Craig Tiller | 298751c | 2015-09-22 09:41:05 -0700 | [diff] [blame] | 44 | closure->cb = cb; |
| 45 | closure->cb_arg = cb_arg; |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 46 | closure->scheduler = scheduler; |
| 47 | return closure; |
Craig Tiller | 298751c | 2015-09-22 09:41:05 -0700 | [diff] [blame] | 48 | } |
| 49 | |
Craig Tiller | 8d8d0d3 | 2016-07-08 17:08:57 -0700 | [diff] [blame] | 50 | void grpc_closure_list_init(grpc_closure_list *closure_list) { |
| 51 | closure_list->head = closure_list->tail = NULL; |
| 52 | } |
| 53 | |
Craig Tiller | 27f59af | 2016-04-28 14:19:48 -0700 | [diff] [blame] | 54 | void grpc_closure_list_append(grpc_closure_list *closure_list, |
| 55 | grpc_closure *closure, grpc_error *error) { |
Craig Tiller | 9ccf5f1 | 2016-05-07 21:41:01 -0700 | [diff] [blame] | 56 | if (closure == NULL) { |
| 57 | GRPC_ERROR_UNREF(error); |
| 58 | return; |
| 59 | } |
Craig Tiller | a7cd41c | 2016-08-31 12:59:24 -0700 | [diff] [blame] | 60 | closure->error_data.error = error; |
Craig Tiller | 781bab53 | 2016-05-05 08:15:28 -0700 | [diff] [blame] | 61 | closure->next_data.next = NULL; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 62 | if (closure_list->head == NULL) { |
| 63 | closure_list->head = closure; |
| 64 | } else { |
Craig Tiller | 781bab53 | 2016-05-05 08:15:28 -0700 | [diff] [blame] | 65 | closure_list->tail->next_data.next = closure; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 66 | } |
Craig Tiller | 298751c | 2015-09-22 09:41:05 -0700 | [diff] [blame] | 67 | closure_list->tail = closure; |
| 68 | } |
| 69 | |
Craig Tiller | 27f59af | 2016-04-28 14:19:48 -0700 | [diff] [blame] | 70 | void grpc_closure_list_fail_all(grpc_closure_list *list, |
| 71 | grpc_error *forced_failure) { |
Craig Tiller | 781bab53 | 2016-05-05 08:15:28 -0700 | [diff] [blame] | 72 | for (grpc_closure *c = list->head; c != NULL; c = c->next_data.next) { |
Craig Tiller | a7cd41c | 2016-08-31 12:59:24 -0700 | [diff] [blame] | 73 | if (c->error_data.error == GRPC_ERROR_NONE) { |
| 74 | c->error_data.error = GRPC_ERROR_REF(forced_failure); |
Craig Tiller | 27f59af | 2016-04-28 14:19:48 -0700 | [diff] [blame] | 75 | } |
Craig Tiller | 0ede545 | 2016-04-23 12:21:45 -0700 | [diff] [blame] | 76 | } |
Craig Tiller | f707d62 | 2016-05-06 14:26:12 -0700 | [diff] [blame] | 77 | GRPC_ERROR_UNREF(forced_failure); |
Craig Tiller | 0ede545 | 2016-04-23 12:21:45 -0700 | [diff] [blame] | 78 | } |
| 79 | |
Craig Tiller | 6c39686 | 2016-01-28 13:53:40 -0800 | [diff] [blame] | 80 | bool grpc_closure_list_empty(grpc_closure_list closure_list) { |
Craig Tiller | 298751c | 2015-09-22 09:41:05 -0700 | [diff] [blame] | 81 | return closure_list.head == NULL; |
| 82 | } |
| 83 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 84 | void grpc_closure_list_move(grpc_closure_list *src, grpc_closure_list *dst) { |
| 85 | if (src->head == NULL) { |
| 86 | return; |
| 87 | } |
| 88 | if (dst->head == NULL) { |
| 89 | *dst = *src; |
| 90 | } else { |
Craig Tiller | 781bab53 | 2016-05-05 08:15:28 -0700 | [diff] [blame] | 91 | dst->tail->next_data.next = src->head; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 92 | dst->tail = src->tail; |
| 93 | } |
Craig Tiller | 298751c | 2015-09-22 09:41:05 -0700 | [diff] [blame] | 94 | src->head = src->tail = NULL; |
| 95 | } |
David Garcia Quintas | 4bc3463 | 2015-10-07 16:12:35 -0700 | [diff] [blame] | 96 | |
Craig Tiller | 3ff551b | 2015-10-06 09:11:37 -0700 | [diff] [blame] | 97 | typedef struct { |
| 98 | grpc_iomgr_cb_func cb; |
| 99 | void *cb_arg; |
| 100 | grpc_closure wrapper; |
| 101 | } wrapped_closure; |
| 102 | |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 103 | static void closure_wrapper(grpc_exec_ctx *exec_ctx, void *arg, |
| 104 | grpc_error *error) { |
Craig Tiller | 3ff551b | 2015-10-06 09:11:37 -0700 | [diff] [blame] | 105 | wrapped_closure *wc = arg; |
| 106 | grpc_iomgr_cb_func cb = wc->cb; |
| 107 | void *cb_arg = wc->cb_arg; |
| 108 | gpr_free(wc); |
Craig Tiller | c027e77 | 2016-05-03 16:27:00 -0700 | [diff] [blame] | 109 | cb(exec_ctx, cb_arg, error); |
Craig Tiller | 3ff551b | 2015-10-06 09:11:37 -0700 | [diff] [blame] | 110 | } |
| 111 | |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 112 | grpc_closure *grpc_closure_create(grpc_iomgr_cb_func cb, void *cb_arg, |
| 113 | grpc_closure_scheduler *scheduler) { |
Craig Tiller | 3ff551b | 2015-10-06 09:11:37 -0700 | [diff] [blame] | 114 | wrapped_closure *wc = gpr_malloc(sizeof(*wc)); |
| 115 | wc->cb = cb; |
| 116 | wc->cb_arg = cb_arg; |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 117 | grpc_closure_init(&wc->wrapper, closure_wrapper, wc, scheduler); |
Craig Tiller | 3ff551b | 2015-10-06 09:11:37 -0700 | [diff] [blame] | 118 | return &wc->wrapper; |
| 119 | } |
Craig Tiller | de2c41c | 2016-09-01 15:08:08 -0700 | [diff] [blame] | 120 | |
Craig Tiller | 44b12f9 | 2016-09-08 10:06:14 -0700 | [diff] [blame] | 121 | void grpc_closure_run(grpc_exec_ctx *exec_ctx, grpc_closure *c, |
| 122 | grpc_error *error) { |
Craig Tiller | de2c41c | 2016-09-01 15:08:08 -0700 | [diff] [blame] | 123 | GPR_TIMER_BEGIN("grpc_closure_run", 0); |
Craig Tiller | c2dd2a2 | 2016-10-14 07:54:23 -0700 | [diff] [blame] | 124 | if (c != NULL) { |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 125 | c->scheduler->vtable->run(exec_ctx, c, error); |
| 126 | } else { |
| 127 | GRPC_ERROR_UNREF(error); |
Craig Tiller | c2dd2a2 | 2016-10-14 07:54:23 -0700 | [diff] [blame] | 128 | } |
Craig Tiller | de2c41c | 2016-09-01 15:08:08 -0700 | [diff] [blame] | 129 | GPR_TIMER_END("grpc_closure_run", 0); |
| 130 | } |
Craig Tiller | 91031da | 2016-12-28 15:44:25 -0800 | [diff] [blame] | 131 | |
| 132 | void grpc_closure_sched(grpc_exec_ctx *exec_ctx, grpc_closure *c, |
| 133 | grpc_error *error) { |
| 134 | GPR_TIMER_BEGIN("grpc_closure_sched", 0); |
| 135 | if (c != NULL) { |
| 136 | c->scheduler->vtable->sched(exec_ctx, c, error); |
| 137 | } else { |
| 138 | GRPC_ERROR_UNREF(error); |
| 139 | } |
| 140 | GPR_TIMER_END("grpc_closure_sched", 0); |
| 141 | } |
| 142 | |
| 143 | void grpc_closure_list_sched(grpc_exec_ctx *exec_ctx, grpc_closure_list *list) { |
| 144 | grpc_closure *c = list->head; |
| 145 | while (c != NULL) { |
| 146 | grpc_closure *next = c->next_data.next; |
| 147 | c->scheduler->vtable->sched(exec_ctx, c, c->error_data.error); |
| 148 | c = next; |
| 149 | } |
| 150 | list->head = list->tail = NULL; |
| 151 | } |