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// Copyright 2020 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.
//go:build illumos
// +build illumos
// Illumos system calls not present on Solaris.
package syscall
import "unsafe"
//go:cgo_import_dynamic libc_accept4 accept4 "libsocket.so"
//go:cgo_import_dynamic libc_flock flock "libc.so"
//go:linkname procAccept4 libc_accept4
//go:linkname procFlock libc_flock
var (
procAccept4,
procFlock libcFunc
)
func Accept4(fd int, flags int) (int, Sockaddr, error) {
var rsa RawSockaddrAny
var addrlen _Socklen = SizeofSockaddrAny
nfd, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procAccept4)), 4, uintptr(fd), uintptr(unsafe.Pointer(&rsa)), uintptr(unsafe.Pointer(&addrlen)), uintptr(flags), 0, 0)
if errno != 0 {
return 0, nil, errno
}
if addrlen > SizeofSockaddrAny {
panic("RawSockaddrAny too small")
}
sa, err := anyToSockaddr(&rsa)
if err != nil {
Close(int(nfd))
return 0, nil, err
}
return int(nfd), sa, nil
}
func Flock(fd int, how int) error {
_, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procFlock)), 2, uintptr(fd), uintptr(how), 0, 0, 0, 0)
if errno != 0 {
return errno
}
return nil
}