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thd_no_cxx11.h
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1 /*
2 *
3 * Copyright 2015, Google Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following disclaimer
14 * in the documentation and/or other materials provided with the
15 * distribution.
16 * * Neither the name of Google Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 */
33
34 #ifndef GRPCXX_IMPL_THD_NO_CXX11_H
35 #define GRPCXX_IMPL_THD_NO_CXX11_H
36
37 #include <grpc/support/thd.h>
38
39 namespace grpc {
40
41 class thread {
42 public:
43 template<class T> thread(void (T::*fptr)(), T *obj) {
44 func_ = new thread_function<T>(fptr, obj);
45 joined_ = false;
46 start();
47 }
48 ~thread() {
49 if (!joined_) std::terminate();
50 delete func_;
51 }
52 void join() {
53 gpr_thd_join(thd_);
54 joined_ = true;
55 }
56 private:
57 void start() {
58 gpr_thd_options options = gpr_thd_options_default();
59 gpr_thd_options_set_joinable(&options);
60 gpr_thd_new(&thd_, thread_func, (void *) func_, &options);
61 }
62 static void thread_func(void *arg) {
63 thread_function_base *func = (thread_function_base *) arg;
64 func->call();
65 }
66 class thread_function_base {
67 public:
68 virtual ~thread_function_base() { }
69 virtual void call() = 0;
70 };
71 template<class T>
72 class thread_function : public thread_function_base {
73 public:
74 thread_function(void (T::*fptr)(), T *obj)
75 : fptr_(fptr)
76 , obj_(obj) { }
77 virtual void call() { (obj_->*fptr_)(); }
78 private:
79 void (T::*fptr_)();
80 T *obj_;
81 };
82 thread_function_base *func_;
83 gpr_thd_id thd_;
84 bool joined_;
85
86 // Disallow copy and assign.
87 thread(const thread&);
88 void operator=(const thread&);
89 };
90
91 } // namespace grpc
92
93 #endif // GRPCXX_IMPL_THD_NO_CXX11_H
grpc::thread::thread
thread(void(T::*fptr)(), T *obj)
Definition: thd_no_cxx11.h:43
grpc::thread::join
void join()
Definition: thd_no_cxx11.h:52
grpc::thread
Definition: thd_no_cxx11.h:41
grpc::thread::~thread
~thread()
Definition: thd_no_cxx11.h:48