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// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
package socket
import (
"syscall"
)
// ioComplete checks the flags and result of a syscall, to be used as return
// value in a syscall.RawConn.Read or Write callback.
func ioComplete(flags int, operr error) bool {
if flags&syscall.MSG_DONTWAIT != 0 {
// Caller explicitly said don't wait, so always return immediately.
return true
}
if operr == syscall.EAGAIN || operr == syscall.EWOULDBLOCK {
// No data available, block for I/O and try again.
return false
}
return true
}
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