mirror of https://github.com/grpc/grpc.git
Yash Tibrewal
5 years ago
parent
1715a811bb
commit
74309886bb
21 changed files with 290 additions and 248 deletions
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/*
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* |
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* Copyright 2019 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 <grpc/support/port_platform.h> |
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#include <functional> |
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#include "src/core/lib/debug/trace.h" |
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#include "src/core/lib/gprpp/atomic.h" |
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#include "src/core/lib/gprpp/debug_location.h" |
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#include "src/core/lib/gprpp/mpscq.h" |
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#include "src/core/lib/gprpp/ref_counted.h" |
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#ifndef GRPC_CORE_LIB_IOMGR_LOGICAL_THREAD_H |
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#define GRPC_CORE_LIB_IOMGR_LOGICAL_THREAD_H |
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namespace grpc_core { |
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extern DebugOnlyTraceFlag grpc_logical_thread_trace; |
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// LogicalThread is a mechanism to schedule callbacks in a synchronized manner.
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// All callbacks scheduled on a LogicalThread instance will be executed serially
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// in a borrowed thread. The API provides a FIFO guarantee to the execution of
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// callbacks scheduled on the thread.
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class LogicalThread : public RefCounted<LogicalThread> { |
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public: |
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void Run(std::function<void()> callback, |
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const grpc_core::DebugLocation& location); |
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private: |
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void DrainQueue(); |
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Atomic<size_t> size_{0}; |
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MultiProducerSingleConsumerQueue queue_; |
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}; |
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} /* namespace grpc_core */ |
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#endif /* GRPC_CORE_LIB_IOMGR_LOGICAL_THREAD_H */ |
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@ -0,0 +1,74 @@ |
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/*
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* |
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* Copyright 2019 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 <grpc/support/port_platform.h> |
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#include <functional> |
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#include "src/core/lib/debug/trace.h" |
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#include "src/core/lib/gprpp/atomic.h" |
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#include "src/core/lib/gprpp/debug_location.h" |
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#include "src/core/lib/gprpp/mpscq.h" |
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#include "src/core/lib/gprpp/orphanable.h" |
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#include "src/core/lib/gprpp/ref_counted.h" |
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#include "src/core/lib/iomgr/exec_ctx.h" |
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#ifndef GRPC_CORE_LIB_IOMGR_WORK_SERIALIZER_H |
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#define GRPC_CORE_LIB_IOMGR_WORK_SERIALIZER_H |
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namespace grpc_core { |
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extern DebugOnlyTraceFlag grpc_work_serializer_trace; |
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class WorkSerializerImpl : public Orphanable { |
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public: |
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void Run(std::function<void()> callback, |
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const grpc_core::DebugLocation& location); |
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void Orphan() override; |
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private: |
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void DrainQueue(); |
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// An initial size of 1 keeps track of whether the work serializer has been
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// orphaned.
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Atomic<size_t> size_{1}; |
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MultiProducerSingleConsumerQueue queue_; |
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}; |
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// WorkSerializer is a mechanism to schedule callbacks in a synchronized manner.
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// All callbacks scheduled on a WorkSerializer instance will be executed
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// serially in a borrowed thread. The API provides a FIFO guarantee to the
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// execution of callbacks scheduled on the thread.
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class WorkSerializer { |
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public: |
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WorkSerializer() { impl_ = MakeOrphanable<WorkSerializerImpl>(); } |
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// TODO(yashkt): Replace grpc_core::DebugLocation with absl::SourceLocation
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// once we can start using it directly.
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void Run(std::function<void()> callback, |
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const grpc_core::DebugLocation& location) { |
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impl_->Run(callback, location); |
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} |
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private: |
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OrphanablePtr<WorkSerializerImpl> impl_; |
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}; |
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} /* namespace grpc_core */ |
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#endif /* GRPC_CORE_LIB_IOMGR_WORK_SERIALIZER_H */ |
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