github.com/Andyfoo/golang/x/net@v0.0.0-20190901054642-57c1bf301704/internal/socket/sys_solaris.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 "runtime" 9 "syscall" 10 "unsafe" 11 ) 12 13 func probeProtocolStack() int { 14 switch runtime.GOARCH { 15 case "amd64": 16 return 4 17 default: 18 var p uintptr 19 return int(unsafe.Sizeof(p)) 20 } 21 } 22 23 //go:cgo_import_dynamic libc___xnet_getsockopt __xnet_getsockopt "libsocket.so" 24 //go:cgo_import_dynamic libc_setsockopt setsockopt "libsocket.so" 25 //go:cgo_import_dynamic libc___xnet_recvmsg __xnet_recvmsg "libsocket.so" 26 //go:cgo_import_dynamic libc___xnet_sendmsg __xnet_sendmsg "libsocket.so" 27 28 //go:linkname procGetsockopt libc___xnet_getsockopt 29 //go:linkname procSetsockopt libc_setsockopt 30 //go:linkname procRecvmsg libc___xnet_recvmsg 31 //go:linkname procSendmsg libc___xnet_sendmsg 32 33 var ( 34 procGetsockopt uintptr 35 procSetsockopt uintptr 36 procRecvmsg uintptr 37 procSendmsg uintptr 38 ) 39 40 func sysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (uintptr, uintptr, syscall.Errno) 41 func rawSysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (uintptr, uintptr, syscall.Errno) 42 43 func getsockopt(s uintptr, level, name int, b []byte) (int, error) { 44 l := uint32(len(b)) 45 _, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procGetsockopt)), 5, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0) 46 return int(l), errnoErr(errno) 47 } 48 49 func setsockopt(s uintptr, level, name int, b []byte) error { 50 _, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procSetsockopt)), 5, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0) 51 return errnoErr(errno) 52 } 53 54 func recvmsg(s uintptr, h *msghdr, flags int) (int, error) { 55 n, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procRecvmsg)), 3, s, uintptr(unsafe.Pointer(h)), uintptr(flags), 0, 0, 0) 56 return int(n), errnoErr(errno) 57 } 58 59 func sendmsg(s uintptr, h *msghdr, flags int) (int, error) { 60 n, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procSendmsg)), 3, s, uintptr(unsafe.Pointer(h)), uintptr(flags), 0, 0, 0) 61 return int(n), errnoErr(errno) 62 } 63 64 func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { 65 return 0, errNotImplemented 66 } 67 68 func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { 69 return 0, errNotImplemented 70 }