Date: Wed, 14 Feb 2018 09:01:49 -0600 From: Eric van Gyzen <eric@vangyzen.net> To: Eitan Adler <lists@eitanadler.com>, FreeBSD Hackers <freebsd-hackers@freebsd.org>, Warner Losh <imp@bsdimp.com>, zrj@dragonflybsd.org Subject: Re: select call in devd Message-ID: <dcaae532-c726-bee9-7f09-984f67d6fc23@vangyzen.net> In-Reply-To: <CAF6rxgmrkUS18kVPCK1VkBJAhBQ2vY3_MJgq%2BXNjqcx8yFi7Lw@mail.gmail.com> References: <CAF6rxgmrkUS18kVPCK1VkBJAhBQ2vY3_MJgq%2BXNjqcx8yFi7Lw@mail.gmail.com>
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On 02/14/2018 01:13, Eitan Adler wrote:
> Hi all,
>
> select(2) is declared with restrict for the pointers for fd. Can y'all
> confirm this is the correct fix?
>
> It is only lightly tested (it seems to do its job on my machine)
>
> Index: devd.cc
> ===================================================================
> --- devd.cc (revision 329192)
> +++ devd.cc (working copy)
> @@ -1021,7 +1021,7 @@ event_loop(void)
> tv.tv_usec = 0;
> FD_ZERO(&fds);
> FD_SET(fd, &fds);
> - rv = select(fd + 1, &fds, &fds, &fds, &tv);
> + rv = select(fd + 1, &fds, NULL, NULL, &tv);
> // No events -> we've processed all pending events
> if (rv == 0) {
> devdlog(LOG_DEBUG, "Calling daemon\n");
Looks good to me.
Eric
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