threadpoolwork-inl.h

// Copyright Joyent, Inc. and other Node contributors.
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#ifndef SRC_THREADPOOLWORK_INL_H_
#define SRC_THREADPOOLWORK_INL_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "node_internals.h"
#include "tracing/trace_event.h"
#include "util-inl.h"

namespace node {

void ThreadPoolWork::ScheduleWork() {
  env_->IncreaseWaitingRequestCounter();
  TRACE_EVENT_NESTABLE_ASYNC_BEGIN0(
      TRACING_CATEGORY_NODE1(threadpoolwork), type_, this);
  uv_work_cb fn = [](uv_work_t* req) {
    ThreadPoolWork* self = ContainerOf(&ThreadPoolWork::work_req_, req);
    self->DoThreadPoolWork();
  };
  if (*TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(
          TRACING_CATEGORY_NODE1(threadpoolwork))) {
    fn = [](uv_work_t* req) {
      ThreadPoolWork* self = ContainerOf(&ThreadPoolWork::work_req_, req);
      uint64_t start = uv_hrtime();
      self->DoThreadPoolWork();
      self->time_ = uv_hrtime() - start;
    };
  }
  int status = uv_queue_work(
      env_->event_loop(), &work_req_, fn, [](uv_work_t* req, int status) {
        ThreadPoolWork* self = ContainerOf(&ThreadPoolWork::work_req_, req);
        self->env_->DecreaseWaitingRequestCounter();
        TRACE_EVENT_NESTABLE_ASYNC_END2(TRACING_CATEGORY_NODE1(threadpoolwork),
                                        self->type_,
                                        self,
                                        "result",
                                        status,
                                        "syncTime",
                                        self->time_);
        self->AfterThreadPoolWork(status);
      });
  CHECK_EQ(status, 0);
}

int ThreadPoolWork::CancelWork() {
  return uv_cancel(reinterpret_cast<uv_req_t*>(&work_req_));
}

}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_THREADPOOLWORK_INL_H_