| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #ifndef GRPCXX_IMPL_THD_NO_CXX11_H |
| #define GRPCXX_IMPL_THD_NO_CXX11_H |
| |
| #include <grpc/support/thd.h> |
| |
| namespace grpc { |
| |
| class thread { |
| public: |
| template <class T> |
| thread(void (T::*fptr)(), T *obj) { |
| func_ = new thread_function<T>(fptr, obj); |
| joined_ = false; |
| start(); |
| } |
| template <class T, class U> |
| thread(void (T::*fptr)(U arg), T *obj, U arg) { |
| func_ = new thread_function_arg<T, U>(fptr, obj, arg); |
| joined_ = false; |
| start(); |
| } |
| ~thread() { |
| if (!joined_) std::terminate(); |
| delete func_; |
| } |
| thread(thread &&other) |
| : func_(other.func_), thd_(other.thd_), joined_(other.joined_) { |
| other.joined_ = true; |
| other.func_ = NULL; |
| } |
| void join() { |
| gpr_thd_join(thd_); |
| joined_ = true; |
| } |
| |
| private: |
| void start() { |
| gpr_thd_options options = gpr_thd_options_default(); |
| gpr_thd_options_set_joinable(&options); |
| gpr_thd_new(&thd_, thread_func, (void *)func_, &options); |
| } |
| static void thread_func(void *arg) { |
| thread_function_base *func = (thread_function_base *)arg; |
| func->call(); |
| } |
| class thread_function_base { |
| public: |
| virtual ~thread_function_base() {} |
| virtual void call() = 0; |
| }; |
| template <class T> |
| class thread_function : public thread_function_base { |
| public: |
| thread_function(void (T::*fptr)(), T *obj) : fptr_(fptr), obj_(obj) {} |
| virtual void call() { (obj_->*fptr_)(); } |
| |
| private: |
| void (T::*fptr_)(); |
| T *obj_; |
| }; |
| template <class T, class U> |
| class thread_function_arg : public thread_function_base { |
| public: |
| thread_function_arg(void (T::*fptr)(U arg), T *obj, U arg) |
| : fptr_(fptr), obj_(obj), arg_(arg) {} |
| virtual void call() { (obj_->*fptr_)(arg_); } |
| |
| private: |
| void (T::*fptr_)(U arg); |
| T *obj_; |
| U arg_; |
| }; |
| thread_function_base *func_; |
| gpr_thd_id thd_; |
| bool joined_; |
| |
| // Disallow copy and assign. |
| thread(const thread &); |
| void operator=(const thread &); |
| }; |
| |
| } // namespace grpc |
| |
| #endif // GRPCXX_IMPL_THD_NO_CXX11_H |