golang.org/x/net@v0.25.1-0.20240516223405-c87a5b62e243/internal/socket/complete_nodontwait.go (about)

     1  // Copyright 2021 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build aix || windows || zos
     6  
     7  package socket
     8  
     9  import (
    10  	"syscall"
    11  )
    12  
    13  // ioComplete checks the flags and result of a syscall, to be used as return
    14  // value in a syscall.RawConn.Read or Write callback.
    15  func ioComplete(flags int, operr error) bool {
    16  	if operr == syscall.EAGAIN || operr == syscall.EWOULDBLOCK {
    17  		// No data available, block for I/O and try again.
    18  		return false
    19  	}
    20  	return true
    21  }