From owner-freebsd-arch@freebsd.org  Tue Apr 26 23:22:21 2016
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Subject: FIONBIO support in freebsd for bpf
From: dayanidhi sreenivasan <dayanidhi.sreenivasan@gmail.com>
To: freebsd-arch@freebsd.org
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Hi Guys,
Can somebody tell me why there is no support for non blocking IO for bpf yet?

static  int
bpfioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flags,
    struct thread *td)
{

......

 case FIONBIO:       /* Non-blocking I/O */
        break;

}

Thanks
Daya