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comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/kj/thread.h @ 69:33d812a61356

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
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67:0e9998148a16 69:33d812a61356
1 // Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors
2 // Licensed under the MIT License:
3 //
4 // Permission is hereby granted, free of charge, to any person obtaining a copy
5 // of this software and associated documentation files (the "Software"), to deal
6 // in the Software without restriction, including without limitation the rights
7 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 // copies of the Software, and to permit persons to whom the Software is
9 // furnished to do so, subject to the following conditions:
10 //
11 // The above copyright notice and this permission notice shall be included in
12 // all copies or substantial portions of the Software.
13 //
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 // THE SOFTWARE.
21
22 #pragma once
23
24 #include "common.h"
25 #include "function.h"
26 #include "exception.h"
27
28 KJ_BEGIN_HEADER
29
30 namespace kj {
31
32 class Thread {
33 // A thread! Pass a lambda to the constructor, and it runs in the thread. The destructor joins
34 // the thread. If the function throws an exception, it is rethrown from the thread's destructor
35 // (if not unwinding from another exception).
36
37 public:
38 explicit Thread(Function<void()> func);
39 KJ_DISALLOW_COPY_AND_MOVE(Thread);
40
41 ~Thread() noexcept(false);
42
43 #if !_WIN32
44 void sendSignal(int signo);
45 // Send a Unix signal to the given thread, using pthread_kill or an equivalent.
46 #endif
47
48 void detach();
49 // Don't join the thread in ~Thread().
50
51 private:
52 struct ThreadState {
53 ThreadState(Function<void()> func);
54
55 Function<void()> func;
56 Function<void(Function<void()>)> initializer;
57 kj::Maybe<kj::Exception> exception;
58
59 unsigned int refcount;
60 // Owned by the parent thread and the child thread.
61
62 void unref();
63 };
64 ThreadState* state;
65
66 #if _WIN32
67 void* threadHandle;
68 #else
69 unsigned long long threadId; // actually pthread_t
70 #endif
71 bool detached = false;
72
73 #if _WIN32
74 static unsigned long __stdcall runThread(void* ptr);
75 #else
76 static void* runThread(void* ptr);
77 #endif
78 };
79
80 } // namespace kj
81
82 KJ_END_HEADER