Function rustix::backend::io::errno::try_decode_raw_fd

source · 
pub(in backend) unsafe fn try_decode_raw_fd<Num: RetNumber>(
    raw: RetReg<Num>,
) -> Result<RawFd>
Expand description

Check for an error from the result of a syscall which encodes a file descriptor on success.

§Safety

This must only be used with syscalls which return file descriptors on success.