fallocate_freebsd_386.mx raw

   1  // Copyright 2023 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 unix
   6  
   7  import "syscall"
   8  
   9  func PosixFallocate(fd int, off int64, size int64) error {
  10  	// If successful, posix_fallocate() returns zero. It returns an error on failure, without
  11  	// setting errno. See https://man.freebsd.org/cgi/man.cgi?query=posix_fallocate&sektion=2&n=1
  12  	r1, _, _ := syscall.Syscall6(posixFallocateTrap, uintptr(fd), uintptr(off), uintptr(off>>32), uintptr(size), uintptr(size>>32), 0)
  13  	if r1 != 0 {
  14  		return syscall.Errno(r1)
  15  	}
  16  	return nil
  17  }
  18