github.com/hxx258456/ccgo@v0.0.5-0.20230213014102-48b35f46f66f/net/internal/socket/sys_linux_386.go (about) 1 // Copyright 2017 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 package socket 6 7 import ( 8 "syscall" 9 "unsafe" 10 ) 11 12 const ( 13 sysRECVMMSG = 0x13 14 sysSENDMMSG = 0x14 15 ) 16 17 func socketcall(call, a0, a1, a2, a3, a4, a5 uintptr) (uintptr, syscall.Errno) 18 func rawsocketcall(call, a0, a1, a2, a3, a4, a5 uintptr) (uintptr, syscall.Errno) 19 20 func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { 21 n, errno := socketcall(sysRECVMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0) 22 return int(n), errnoErr(errno) 23 } 24 25 func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { 26 n, errno := socketcall(sysSENDMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0) 27 return int(n), errnoErr(errno) 28 }