Date: Thu, 23 Nov 2006 12:00:34 +0530 From: "Kamal R. Prasad" <kamalp@acm.org> To: "Bharma Ji" <bharmaji@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Is there any way to avoid copy between the kernel and userland Message-ID: <ac7deb50611222230j7605d5e7j9f7bd386f7e4ccfc@mail.gmail.com> In-Reply-To: <67beabb0611221202l2bb9a320o601feff7e7b3aa68@mail.gmail.com> References: <67beabb0611221202l2bb9a320o601feff7e7b3aa68@mail.gmail.com>
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If you create a pseudo- device with an mmap() interface -that should do the job. regards -kamal On 11/23/06, Bharma Ji <bharmaji@gmail.com> wrote: > > Hi > I am looking for any FreeBSD facility that will allow a userland process > to > pass data to the kernel without doing a copyin or copyout e.g. using a > shared data structure (queue? ) for example? Any pointers will be useful > Thanks > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >
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