mirror of
https://github.com/wpilibsuite/allwpilib
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e2314f3528
- Provide an EventLoopRunner to run uv::Loop on a separate thread. - Add raw_ostream wrapper for uv::Buffer.
85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) 2018 FIRST. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#ifndef WPIUTIL_WPI_UV_SIGNAL_H_
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#define WPIUTIL_WPI_UV_SIGNAL_H_
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#include <uv.h>
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#include <memory>
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#include "wpi/Signal.h"
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#include "wpi/uv/Handle.h"
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namespace wpi {
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namespace uv {
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class Loop;
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/**
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* Signal handle.
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*/
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class Signal final : public HandleImpl<Signal, uv_signal_t> {
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struct private_init {};
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public:
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explicit Signal(const private_init&) {}
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~Signal() noexcept override = default;
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/**
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* Create a signal handle.
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*
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* @param loop Loop object where this handle runs.
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*/
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static std::shared_ptr<Signal> Create(Loop& loop);
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/**
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* Create a signal handle.
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*
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* @param loop Loop object where this handle runs.
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*/
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static std::shared_ptr<Signal> Create(const std::shared_ptr<Loop>& loop) {
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return Create(*loop);
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}
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/**
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* Start watching for the given signal.
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*
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* @param signum Signal to watch for.
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*/
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void Start(int signum);
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/**
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* Start watching for the given signal. Same as Start() but the signal
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* handler is reset the moment the signal is received.
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*
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* @param signum Signal to watch for.
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*/
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void StartOneshot(int signum);
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/**
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* Stop watching for the signal.
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*/
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void Stop() { Invoke(&uv_signal_stop, GetRaw()); }
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/**
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* Get the signal being monitored.
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* @return Signal number.
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*/
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int GetSignal() const { return GetRaw()->signum; }
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/**
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* Signal generated when a signal occurs.
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*/
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sig::Signal<int> signal;
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};
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} // namespace uv
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} // namespace wpi
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#endif // WPIUTIL_WPI_UV_SIGNAL_H_
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