method

ready?

Ruby latest stable (v2_5_5) - 0 notes - Class: IO

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ready?() public

Returns true if input available without blocking, or false. Returns nil if no information available.

static VALUE
io_ready_p(VALUE io)
{
    rb_io_t *fptr;
    struct timeval tv = {0, 0};

    GetOpenFile(io, fptr);
    rb_io_check_readable(fptr);
    if (rb_io_read_pending(fptr)) return Qtrue;
    if (wait_for_single_fd(fptr, RB_WAITFD_IN, &tv))
        return Qtrue;
    return Qfalse;
}

ready?

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