mirror of https://github.com/grpc/grpc.git
This reverts commit d09c9f8e20.
pull/18774/head
Soheil Hassas Yeganeh
6 years ago
parent
0de83950e6
commit
2b9448a71c
57 changed files with 606 additions and 336 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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#ifndef GRPCPP_IMPL_CODEGEN_SYNC_H |
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#define GRPCPP_IMPL_CODEGEN_SYNC_H |
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#include <grpc/impl/codegen/log.h> |
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#include <grpc/impl/codegen/port_platform.h> |
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#include <grpc/impl/codegen/sync.h> |
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#include <grpcpp/impl/codegen/core_codegen_interface.h> |
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// The core library is not accessible in C++ codegen headers, and vice versa.
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// Thus, we need to have duplicate headers with similar functionality.
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// Make sure any change to this file is also reflected in
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// src/core/lib/gprpp/sync.h too.
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//
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// Whenever possible, prefer "src/core/lib/gprpp/sync.h" over this file,
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// since in core we do not rely on g_core_codegen_interface and hence do not
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// pay the costs of virtual function calls.
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namespace grpc { |
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namespace internal { |
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class Mutex { |
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public: |
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Mutex() { g_core_codegen_interface->gpr_mu_init(&mu_); } |
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~Mutex() { g_core_codegen_interface->gpr_mu_destroy(&mu_); } |
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Mutex(const Mutex&) = delete; |
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Mutex& operator=(const Mutex&) = delete; |
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gpr_mu* get() { return &mu_; } |
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const gpr_mu* get() const { return &mu_; } |
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private: |
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gpr_mu mu_; |
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}; |
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// MutexLock is a std::
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class MutexLock { |
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public: |
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explicit MutexLock(Mutex* mu) : mu_(mu->get()) { |
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g_core_codegen_interface->gpr_mu_lock(mu_); |
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} |
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explicit MutexLock(gpr_mu* mu) : mu_(mu) { |
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g_core_codegen_interface->gpr_mu_lock(mu_); |
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} |
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~MutexLock() { g_core_codegen_interface->gpr_mu_unlock(mu_); } |
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MutexLock(const MutexLock&) = delete; |
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MutexLock& operator=(const MutexLock&) = delete; |
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private: |
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gpr_mu* const mu_; |
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}; |
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class ReleasableMutexLock { |
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public: |
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explicit ReleasableMutexLock(Mutex* mu) : mu_(mu->get()) { |
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g_core_codegen_interface->gpr_mu_lock(mu_); |
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} |
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explicit ReleasableMutexLock(gpr_mu* mu) : mu_(mu) { |
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g_core_codegen_interface->gpr_mu_lock(mu_); |
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} |
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~ReleasableMutexLock() { |
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if (!released_) g_core_codegen_interface->gpr_mu_unlock(mu_); |
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} |
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ReleasableMutexLock(const ReleasableMutexLock&) = delete; |
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ReleasableMutexLock& operator=(const ReleasableMutexLock&) = delete; |
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void Lock() { |
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GPR_DEBUG_ASSERT(released_); |
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g_core_codegen_interface->gpr_mu_lock(mu_); |
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released_ = false; |
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} |
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void Unlock() { |
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GPR_DEBUG_ASSERT(!released_); |
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released_ = true; |
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g_core_codegen_interface->gpr_mu_unlock(mu_); |
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} |
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private: |
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gpr_mu* const mu_; |
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bool released_ = false; |
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}; |
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class CondVar { |
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public: |
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CondVar() { g_core_codegen_interface->gpr_cv_init(&cv_); } |
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~CondVar() { g_core_codegen_interface->gpr_cv_destroy(&cv_); } |
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CondVar(const CondVar&) = delete; |
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CondVar& operator=(const CondVar&) = delete; |
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void Signal() { g_core_codegen_interface->gpr_cv_signal(&cv_); } |
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void Broadcast() { g_core_codegen_interface->gpr_cv_broadcast(&cv_); } |
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int Wait(Mutex* mu) { |
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return Wait(mu, |
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g_core_codegen_interface->gpr_inf_future(GPR_CLOCK_REALTIME)); |
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} |
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int Wait(Mutex* mu, const gpr_timespec& deadline) { |
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return g_core_codegen_interface->gpr_cv_wait(&cv_, mu->get(), deadline); |
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} |
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template <typename Predicate> |
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void WaitUntil(Mutex* mu, Predicate pred) { |
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while (!pred()) { |
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Wait(mu, g_core_codegen_interface->gpr_inf_future(GPR_CLOCK_REALTIME)); |
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} |
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} |
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private: |
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gpr_cv cv_; |
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}; |
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} // namespace internal
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} // namespace grpc
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#endif // GRPCPP_IMPL_CODEGEN_SYNC_H
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@ -1,42 +0,0 @@ |
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/*
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* |
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* Copyright 2018 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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#ifndef GRPC_CORE_LIB_GPRPP_MUTEX_LOCK_H |
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#define GRPC_CORE_LIB_GPRPP_MUTEX_LOCK_H |
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#include <grpc/support/port_platform.h> |
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#include <grpc/support/sync.h> |
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namespace grpc_core { |
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class MutexLock { |
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public: |
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explicit MutexLock(gpr_mu* mu) : mu_(mu) { gpr_mu_lock(mu); } |
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~MutexLock() { gpr_mu_unlock(mu_); } |
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MutexLock(const MutexLock&) = delete; |
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MutexLock& operator=(const MutexLock&) = delete; |
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private: |
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gpr_mu* const mu_; |
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}; |
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} // namespace grpc_core
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#endif /* GRPC_CORE_LIB_GPRPP_MUTEX_LOCK_H */ |
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@ -0,0 +1,126 @@ |
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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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#ifndef GRPC_CORE_LIB_GPRPP_SYNC_H |
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#define GRPC_CORE_LIB_GPRPP_SYNC_H |
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#include <grpc/impl/codegen/port_platform.h> |
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#include <grpc/impl/codegen/log.h> |
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#include <grpc/impl/codegen/sync.h> |
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#include <grpc/support/sync.h> |
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#include <grpc/support/time.h> |
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// The core library is not accessible in C++ codegen headers, and vice versa.
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// Thus, we need to have duplicate headers with similar functionality.
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// Make sure any change to this file is also reflected in
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// include/grpcpp/impl/codegen/sync.h.
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//
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// Whenever possible, prefer using this file over <grpcpp/impl/codegen/sync.h>
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// since this file doesn't rely on g_core_codegen_interface and hence does not
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// pay the costs of virtual function calls.
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namespace grpc_core { |
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class Mutex { |
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public: |
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Mutex() { gpr_mu_init(&mu_); } |
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~Mutex() { gpr_mu_destroy(&mu_); } |
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Mutex(const Mutex&) = delete; |
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Mutex& operator=(const Mutex&) = delete; |
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gpr_mu* get() { return &mu_; } |
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const gpr_mu* get() const { return &mu_; } |
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private: |
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gpr_mu mu_; |
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}; |
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// MutexLock is a std::
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class MutexLock { |
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public: |
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explicit MutexLock(Mutex* mu) : mu_(mu->get()) { gpr_mu_lock(mu_); } |
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explicit MutexLock(gpr_mu* mu) : mu_(mu) { gpr_mu_lock(mu_); } |
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~MutexLock() { gpr_mu_unlock(mu_); } |
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MutexLock(const MutexLock&) = delete; |
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MutexLock& operator=(const MutexLock&) = delete; |
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private: |
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gpr_mu* const mu_; |
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}; |
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class ReleasableMutexLock { |
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public: |
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explicit ReleasableMutexLock(Mutex* mu) : mu_(mu->get()) { gpr_mu_lock(mu_); } |
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explicit ReleasableMutexLock(gpr_mu* mu) : mu_(mu) { gpr_mu_lock(mu_); } |
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~ReleasableMutexLock() { |
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if (!released_) gpr_mu_unlock(mu_); |
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} |
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ReleasableMutexLock(const ReleasableMutexLock&) = delete; |
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ReleasableMutexLock& operator=(const ReleasableMutexLock&) = delete; |
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void Lock() { |
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GPR_DEBUG_ASSERT(released_); |
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gpr_mu_lock(mu_); |
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released_ = false; |
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} |
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void Unlock() { |
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GPR_DEBUG_ASSERT(!released_); |
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released_ = true; |
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gpr_mu_unlock(mu_); |
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} |
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private: |
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gpr_mu* const mu_; |
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bool released_ = false; |
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}; |
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class CondVar { |
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public: |
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CondVar() { gpr_cv_init(&cv_); } |
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~CondVar() { gpr_cv_destroy(&cv_); } |
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CondVar(const CondVar&) = delete; |
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CondVar& operator=(const CondVar&) = delete; |
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void Signal() { gpr_cv_signal(&cv_); } |
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void Broadcast() { gpr_cv_broadcast(&cv_); } |
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int Wait(Mutex* mu) { return Wait(mu, gpr_inf_future(GPR_CLOCK_REALTIME)); } |
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int Wait(Mutex* mu, const gpr_timespec& deadline) { |
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return gpr_cv_wait(&cv_, mu->get(), deadline); |
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} |
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template <typename Predicate> |
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void WaitUntil(Mutex* mu, Predicate pred) { |
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while (!pred()) { |
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Wait(mu, gpr_inf_future(GPR_CLOCK_REALTIME)); |
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} |
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} |
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private: |
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gpr_cv cv_; |
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}; |
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} // namespace grpc_core
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#endif /* GRPC_CORE_LIB_GPRPP_SYNC_H */ |
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