devela::_dep::nc

Function close_range

pub unsafe fn close_range(fd: u32, max_fd: u32, flags: u32) -> Result<(), i32> ⓘ
Available on crate feature dep_nc only.
Expand description

Close all file descriptors in a given range

Parameters:

  • fd: starting file descriptor to close
  • max_fd: last file descriptor to close
  • flags: reserved for future extensions

§Examples

const STDOUT_FD: u32 = 1;
const STDERR_FD: u32 = 2;
let ret = unsafe { nc::close_range(STDOUT_FD, STDERR_FD, nc::CLOSE_RANGE_CLOEXEC) };
assert!(ret.is_ok());