Date: Thu, 7 Jan 2016 16:27:56 +0100 From: Malcolm Matalka <mmatalka@gmail.com> To: freebsd-hackers@freebsd.org Subject: Re: Can PIPE_BUF be increased? Message-ID: <CAKziXDWHPPMvkypAOxj7krG90aBX3cuNCYyaNDn5PdB=1ng4-Q@mail.gmail.com> In-Reply-To: <86ziwho1jg.fsf@gmail.com> References: <86ziwho1jg.fsf@gmail.com>
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Den 7 jan 2016 4:24 em skrev "Malcolm Matalka" <mmatalka@gmail.com>: > > As far as I can tell, PIPE_BUF is 512 bytes by default. Using getconf > and looking at the header files /usr/include. I'm writing a program > that would benefit from a larger PIPE_BUF, is it possible to change this > value? It looks like Linux and OS X have a higher default and OS X will > do some magic to increase the size if necessary. I haven't found > anything indicating the same in FreeBSD. > I realized I might not be clear enough here: I'm trying to increase the number if bytes i can write to a pipe atomically. > Thanks, > /Malcolm >
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