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68 lines
2.5 KiB
C++
68 lines
2.5 KiB
C++
/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibThread/Thread.h>
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#include <pthread.h>
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#include <string.h>
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#include <unistd.h>
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LibThread::Thread::Thread(Function<int()> action, StringView thread_name)
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: Core::Object(nullptr)
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, m_action(move(action))
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, m_thread_name(thread_name.is_null() ? "" : thread_name)
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{
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register_property("thread_name", [&] { return JsonValue { m_thread_name }; });
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register_property("tid", [&] { return JsonValue { m_tid }; });
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}
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LibThread::Thread::~Thread()
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{
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if (m_tid) {
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dbgln("Destroying thread \"{}\"({}) while it is still running!", m_thread_name, m_tid);
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[[maybe_unused]] auto res = join();
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}
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}
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void LibThread::Thread::start()
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{
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int rc = pthread_create(
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&m_tid,
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nullptr,
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[](void* arg) -> void* {
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Thread* self = static_cast<Thread*>(arg);
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int exit_code = self->m_action();
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self->m_tid = 0;
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return (void*)exit_code;
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},
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static_cast<void*>(this));
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ASSERT(rc == 0);
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if (!m_thread_name.is_empty()) {
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rc = pthread_setname_np(m_tid, m_thread_name.characters());
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ASSERT(rc == 0);
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}
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dbgln("Started thread \"{}\", tid = {}", m_thread_name, m_tid);
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}
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