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getrlimit(2): document RLIMIT_PIPEBUF
Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D46619
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@ -84,6 +84,16 @@ The maximum number of open files for this process.
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The maximum number of simultaneous processes for this user id.
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.It Dv RLIMIT_NPTS
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The maximum number of pseudo-terminals this user id is allowed to create.
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.It Dv RLIMIT_PIPEBUF
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The maximum total size of in-kernel buffers for bi-directional pipes/fifos
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that this user id is allowed to consume.
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The buffers for kernel FIFOs created on the first open of a filesystem
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object created by
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.Pq Xr mkfifo 2
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are also charged to the user ID of the process opening it,
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not the FIFO's filesystem owner.
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Despite somewhat unexpected, this is in fact fair, since user of the fifo
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is not necessary its creator.
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.It Dv RLIMIT_RSS
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When there is memory pressure and swap is available, prioritize eviction of
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a process' resident pages beyond this amount (in bytes).
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