Date: Mon, 19 Aug 2002 10:19:11 +0200 From: Gary Jennejohn <garyj@jennejohn.org> To: jau@iki.fi Cc: freebsd-questions@freebsd.org Subject: Re: O_ASYNC + SIGIO does not seem to work for UNIX domain sockets Message-ID: <200208190819.g7J8JBPL084938@peedub.jennejohn.org> In-Reply-To: Your message of "Mon, 19 Aug 2002 00:49:17 %2B0300." <200208182149.AAA29911@cs78135006.pp.htv.fi>
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Jukka A. Ukkonen writes: > > Hi all, > > Has anyone experienced the same problem as I seem to have > noticed? > I tried using O_ASYNC fcntl flag and a SIGIO handler to find > out when a UNIX domain socket has got something to read while > my code has bee sitting in sigsuspend(). The SIGIO patently > *never* arrives, though a lot data has been written to the > other end of the socket. > While sitting in the same sigsuspend() SIGINT, SIGTERM, and > SIGCHLD all get delivered as they should. So, it seems that > this is somehow related to the UNIX domain sockets only. > If you have seen the O_ASYNC/FIOASYNC + SIGIO working with > Internet sockets or terminal lines, it means nothing in my > case. > I have seen this happen only with the UNIX domain sockets. > > Any information, similar experiences, or bug fixes would be > very welcome. > Since you didn't say I'll ask - did you do F_SETOWN on the socket ? --- Gary Jennejohn / garyj@jennejohn.org gj@freebsd.org gj@denx.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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