rwcancel: use ppoll on Linux for Android
This is a temporary measure while we wait for https://go-review.googlesource.com/c/sys/+/352310 to land. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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17
rwcancel/poll_linux.go
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17
rwcancel/poll_linux.go
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@ -0,0 +1,17 @@
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/* SPDX-License-Identifier: MIT
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*
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* Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
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*/
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package rwcancel
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import "golang.org/x/sys/unix"
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func poll(fds []unix.PollFd, timeout int) (n int, err error) {
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var ts *unix.Timespec
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if timeout >= 0 {
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ts = new(unix.Timespec)
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*ts = unix.NsecToTimespec(int64(timeout) * 1e6)
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}
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return unix.Ppoll(fds, ts, nil)
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}
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15
rwcancel/poll_unix.go
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15
rwcancel/poll_unix.go
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@ -0,0 +1,15 @@
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//go:build !windows && !linux
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// +build !windows,!linux
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/* SPDX-License-Identifier: MIT
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*
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* Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
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*/
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package rwcancel
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import "golang.org/x/sys/unix"
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func poll(fds []unix.PollFd, timeout int) (n int, err error) {
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return unix.Poll(fds, timeout)
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}
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@ -49,7 +49,7 @@ func (rw *RWCancel) ReadyRead() bool {
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pollFds := []unix.PollFd{{Fd: int32(rw.fd), Events: unix.POLLIN}, {Fd: closeFd, Events: unix.POLLIN}}
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var err error
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for {
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_, err = unix.Poll(pollFds, -1)
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_, err = poll(pollFds, -1)
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if err == nil || !RetryAfterError(err) {
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break
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}
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@ -68,7 +68,7 @@ func (rw *RWCancel) ReadyWrite() bool {
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pollFds := []unix.PollFd{{Fd: int32(rw.fd), Events: unix.POLLOUT}, {Fd: closeFd, Events: unix.POLLOUT}}
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var err error
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for {
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_, err = unix.Poll(pollFds, -1)
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_, err = poll(pollFds, -1)
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if err == nil || !RetryAfterError(err) {
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break
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}
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