25 lines
784 B
Go
25 lines
784 B
Go
// Copyright 2019 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.
|
|
|
|
package unix
|
|
|
|
import "unsafe"
|
|
|
|
// FcntlInt performs a fcntl syscall on fd with the provided command and argument.
|
|
func FcntlInt(fd uintptr, cmd, arg int) (int, error) {
|
|
return fcntl(int(fd), cmd, arg)
|
|
}
|
|
|
|
// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
|
|
func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
|
|
_, err := fcntlPtr(int(fd), cmd, unsafe.Pointer(lk))
|
|
return err
|
|
}
|
|
|
|
// FcntlFstore performs a fcntl syscall for the F_PREALLOCATE command.
|
|
func FcntlFstore(fd uintptr, cmd int, fstore *Fstore_t) error {
|
|
_, err := fcntlPtr(int(fd), cmd, unsafe.Pointer(fstore))
|
|
return err
|
|
}
|