Date: Wed, 11 Nov 1998 10:17:41 -0700 From: Nate Williams <nate@mt.sri.com> To: Terry Lambert <tlambert@primenet.com> Cc: nate@mt.sri.com (Nate Williams), hackers@FreeBSD.ORG Subject: Re: Supporting more than FD_SETSIZE fd's Message-ID: <199811111717.KAA17248@mt.sri.com> In-Reply-To: <199811110825.BAA06296@usr02.primenet.com> References: <199811091734.KAA04752@mt.sri.com> <199811110825.BAA06296@usr02.primenet.com>
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> > I need to support more than the default 255 FD's in an application (the > > JDK for what it's worth). To be portable, the code uses fd_set as > > defined in <sys/types.h>. Unfortunately, unless I redefine FD_SETSIZE > > in every file that uses it, I still have a hard-limit on the number of > > FD's the application can use. > > > > Is there any 'portable' way of getting around this? > > Redefine FD_SETSIZE. This still gives me a hard-limit (instead of a dynamic limit) on the number of FD's in any compiled binary. > > I'd really like to > > have it use whichever open FD that the limit allows, but I know now way > > of having this happen? > > I can't really parse this. The "the limit allows" value is based on > how many contiguous bits there are in an fd_set, which is based on > the value of FD_SETSIZE at the time the fd_set is declared. I'd like to have it based on the 'getrlimit(RLIMIT_NOTFILE, &rlimit_t), which is how many the current 'process' can handle. Nate To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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