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// +build !windows
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2020 WireGuard LLC. All Rights Reserved.
*/
package rwcancel
import "golang.org/x/sys/unix"
type fdSet struct {
unix.FdSet
}
func (fdset *fdSet) set(i int) {
bits := 32 << (^uint(0) >> 63)
fdset.Bits[i/bits] |= 1 << uint(i%bits)
}
func (fdset *fdSet) check(i int) bool {
bits := 32 << (^uint(0) >> 63)
return (fdset.Bits[i/bits] & (1 << uint(i%bits))) != 0
}
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