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76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@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 <AK/Badge.h>
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#include <LibCore/Event.h>
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#include <LibCore/EventLoop.h>
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#include <LibCore/Notifier.h>
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namespace Core {
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Notifier::Notifier(int fd, unsigned event_mask, Object* parent)
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: Object(parent)
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, m_fd(fd)
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, m_event_mask(event_mask)
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{
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set_enabled(true);
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}
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Notifier::~Notifier()
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{
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set_enabled(false);
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}
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void Notifier::set_enabled(bool enabled)
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{
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if (m_fd < 0)
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return;
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if (enabled)
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Core::EventLoop::register_notifier({}, *this);
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else
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Core::EventLoop::unregister_notifier({}, *this);
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}
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void Notifier::close()
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{
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if (m_fd < 0)
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return;
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set_enabled(false);
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m_fd = -1;
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}
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void Notifier::event(Core::Event& event)
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{
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if (event.type() == Core::Event::NotifierRead && on_ready_to_read) {
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on_ready_to_read();
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} else if (event.type() == Core::Event::NotifierWrite && on_ready_to_write) {
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on_ready_to_write();
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} else {
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Object::event(event);
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}
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}
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}
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