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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
package syscall
import "unsafe"
// F_DUP2FD_CLOEXEC has different values on Solaris and Illumos.
const F_DUP2FD_CLOEXEC = 0x24
//go:cgo_import_dynamic libc_flock flock "libc.so"
//go:linkname procFlock libc_flock
var procFlock libcFunc
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
}
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