34 lines
1.2 KiB
Go
34 lines
1.2 KiB
Go
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// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin dragonfly freebsd linux,!s390x,!386 netbsd openbsd
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package socket
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import (
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"syscall"
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"unsafe"
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)
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func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
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l := uint32(len(b))
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_, _, errno := syscall.Syscall6(syscall.SYS_GETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
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return int(l), errnoErr(errno)
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}
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func setsockopt(s uintptr, level, name int, b []byte) error {
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_, _, errno := syscall.Syscall6(syscall.SYS_SETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
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return errnoErr(errno)
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}
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func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
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n, _, errno := syscall.Syscall(syscall.SYS_RECVMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
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return int(n), errnoErr(errno)
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}
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func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
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n, _, errno := syscall.Syscall(syscall.SYS_SENDMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
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return int(n), errnoErr(errno)
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}
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