mirror of https://github.com/grpc/grpc.git
Merge branch 'master' of https://github.com/grpc/grpc into inheritance-in-core
Noah Eisen
7 years ago
commit
b8ec238211
224 changed files with 3850 additions and 2013 deletions
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/*
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* |
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* Copyright 2015 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#include "src/core/lib/iomgr/closure.h" |
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#include <assert.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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#include "src/core/lib/profiling/timers.h" |
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#ifndef NDEBUG |
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grpc_tracer_flag grpc_trace_closure = GRPC_TRACER_INITIALIZER(false, "closure"); |
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#endif |
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#ifndef NDEBUG |
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grpc_closure* grpc_closure_init(const char* file, int line, |
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grpc_closure* closure, grpc_iomgr_cb_func cb, |
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void* cb_arg, |
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grpc_closure_scheduler* scheduler) { |
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#else |
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grpc_closure* grpc_closure_init(grpc_closure* closure, grpc_iomgr_cb_func cb, |
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void* cb_arg, |
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grpc_closure_scheduler* scheduler) { |
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#endif |
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closure->cb = cb; |
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closure->cb_arg = cb_arg; |
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closure->scheduler = scheduler; |
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#ifndef NDEBUG |
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closure->scheduled = false; |
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closure->file_initiated = nullptr; |
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closure->line_initiated = 0; |
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closure->run = false; |
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closure->file_created = file; |
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closure->line_created = line; |
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#endif |
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return closure; |
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} |
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void grpc_closure_list_init(grpc_closure_list* closure_list) { |
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closure_list->head = closure_list->tail = nullptr; |
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} |
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bool grpc_closure_list_append(grpc_closure_list* closure_list, |
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grpc_closure* closure, grpc_error* error) { |
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if (closure == nullptr) { |
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GRPC_ERROR_UNREF(error); |
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return false; |
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} |
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closure->error_data.error = error; |
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closure->next_data.next = nullptr; |
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bool was_empty = (closure_list->head == nullptr); |
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if (was_empty) { |
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closure_list->head = closure; |
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} else { |
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closure_list->tail->next_data.next = closure; |
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} |
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closure_list->tail = closure; |
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return was_empty; |
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} |
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void grpc_closure_list_fail_all(grpc_closure_list* list, |
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grpc_error* forced_failure) { |
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for (grpc_closure* c = list->head; c != nullptr; c = c->next_data.next) { |
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if (c->error_data.error == GRPC_ERROR_NONE) { |
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c->error_data.error = GRPC_ERROR_REF(forced_failure); |
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} |
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} |
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GRPC_ERROR_UNREF(forced_failure); |
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} |
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bool grpc_closure_list_empty(grpc_closure_list closure_list) { |
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return closure_list.head == nullptr; |
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} |
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void grpc_closure_list_move(grpc_closure_list* src, grpc_closure_list* dst) { |
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if (src->head == nullptr) { |
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return; |
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} |
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if (dst->head == nullptr) { |
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*dst = *src; |
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} else { |
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dst->tail->next_data.next = src->head; |
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dst->tail = src->tail; |
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} |
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src->head = src->tail = nullptr; |
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} |
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typedef struct { |
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grpc_iomgr_cb_func cb; |
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void* cb_arg; |
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grpc_closure wrapper; |
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} wrapped_closure; |
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static void closure_wrapper(grpc_exec_ctx* exec_ctx, void* arg, |
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grpc_error* error) { |
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wrapped_closure* wc = (wrapped_closure*)arg; |
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grpc_iomgr_cb_func cb = wc->cb; |
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void* cb_arg = wc->cb_arg; |
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gpr_free(wc); |
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cb(exec_ctx, cb_arg, error); |
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} |
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#ifndef NDEBUG |
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grpc_closure* grpc_closure_create(const char* file, int line, |
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grpc_iomgr_cb_func cb, void* cb_arg, |
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grpc_closure_scheduler* scheduler) { |
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#else |
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grpc_closure* grpc_closure_create(grpc_iomgr_cb_func cb, void* cb_arg, |
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grpc_closure_scheduler* scheduler) { |
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#endif |
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wrapped_closure* wc = (wrapped_closure*)gpr_malloc(sizeof(*wc)); |
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wc->cb = cb; |
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wc->cb_arg = cb_arg; |
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#ifndef NDEBUG |
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grpc_closure_init(file, line, &wc->wrapper, closure_wrapper, wc, scheduler); |
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#else |
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grpc_closure_init(&wc->wrapper, closure_wrapper, wc, scheduler); |
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#endif |
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return &wc->wrapper; |
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} |
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#ifndef NDEBUG |
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void grpc_closure_run(const char* file, int line, grpc_exec_ctx* exec_ctx, |
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grpc_closure* c, grpc_error* error) { |
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#else |
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void grpc_closure_run(grpc_exec_ctx* exec_ctx, grpc_closure* c, |
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grpc_error* error) { |
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#endif |
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GPR_TIMER_BEGIN("grpc_closure_run", 0); |
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if (c != nullptr) { |
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#ifndef NDEBUG |
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c->file_initiated = file; |
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c->line_initiated = line; |
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c->run = true; |
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#endif |
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assert(c->cb); |
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c->scheduler->vtable->run(exec_ctx, c, error); |
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} else { |
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GRPC_ERROR_UNREF(error); |
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} |
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GPR_TIMER_END("grpc_closure_run", 0); |
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} |
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#ifndef NDEBUG |
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void grpc_closure_sched(const char* file, int line, grpc_exec_ctx* exec_ctx, |
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grpc_closure* c, grpc_error* error) { |
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#else |
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void grpc_closure_sched(grpc_exec_ctx* exec_ctx, grpc_closure* c, |
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grpc_error* error) { |
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#endif |
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GPR_TIMER_BEGIN("grpc_closure_sched", 0); |
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if (c != nullptr) { |
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#ifndef NDEBUG |
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if (c->scheduled) { |
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gpr_log(GPR_ERROR, |
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"Closure already scheduled. (closure: %p, created: [%s:%d], " |
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"previously scheduled at: [%s: %d] run?: %s", |
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c, c->file_created, c->line_created, c->file_initiated, |
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c->line_initiated, c->run ? "true" : "false"); |
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abort(); |
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} |
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c->scheduled = true; |
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c->file_initiated = file; |
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c->line_initiated = line; |
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c->run = false; |
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#endif |
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assert(c->cb); |
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c->scheduler->vtable->sched(exec_ctx, c, error); |
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} else { |
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GRPC_ERROR_UNREF(error); |
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} |
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GPR_TIMER_END("grpc_closure_sched", 0); |
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} |
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#ifndef NDEBUG |
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void grpc_closure_list_sched(const char* file, int line, |
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grpc_exec_ctx* exec_ctx, grpc_closure_list* list) { |
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#else |
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void grpc_closure_list_sched(grpc_exec_ctx* exec_ctx, grpc_closure_list* list) { |
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#endif |
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grpc_closure* c = list->head; |
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while (c != nullptr) { |
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grpc_closure* next = c->next_data.next; |
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#ifndef NDEBUG |
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if (c->scheduled) { |
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gpr_log(GPR_ERROR, |
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"Closure already scheduled. (closure: %p, created: [%s:%d], " |
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"previously scheduled at: [%s: %d] run?: %s", |
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c, c->file_created, c->line_created, c->file_initiated, |
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c->line_initiated, c->run ? "true" : "false"); |
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abort(); |
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} |
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c->scheduled = true; |
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c->file_initiated = file; |
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c->line_initiated = line; |
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c->run = false; |
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#endif |
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assert(c->cb); |
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c->scheduler->vtable->sched(exec_ctx, c, c->error_data.error); |
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c = next; |
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} |
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list->head = list->tail = nullptr; |
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} |
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