status-go/vendor/github.com/anacrolix/mmsg/socket/sys_linux.go

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2022-03-10 09:44:48 +00:00
// Copyright 2017 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.
// +build linux,!s390x,!386
package socket
import (
"syscall"
"unsafe"
)
func probeProtocolStack() int {
var p uintptr
return int(unsafe.Sizeof(p))
}
func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
n, _, errno := syscall.Syscall6(sysRECVMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0)
return int(n), errnoErr(errno)
}
func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
n, _, errno := syscall.Syscall6(sysSENDMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0)
return int(n), errnoErr(errno)
}