fallocate_freebsd_64bit.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  //go:build freebsd && (amd64 || arm64 || riscv64)
   6  
   7  package unix
   8  
   9  import "syscall"
  10  
  11  func PosixFallocate(fd int, off int64, size int64) error {
  12  	// If successful, posix_fallocate() returns zero. It returns an error on failure, without
  13  	// setting errno. See https://man.freebsd.org/cgi/man.cgi?query=posix_fallocate&sektion=2&n=1
  14  	r1, _, _ := syscall.Syscall(posixFallocateTrap, uintptr(fd), uintptr(off), uintptr(size))
  15  	if r1 != 0 {
  16  		return syscall.Errno(r1)
  17  	}
  18  	return nil
  19  }
  20