README.dirs

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    1         $NetBSD: README.dirs,v 1.5 2008/10/09 11:50:08 pooka Exp $
    2 
    3     Runnable Userspace Meta Programs
    4 
    5 Quick rundown of the current directory structure:
    6 
    7 sys/rump/librump - kernel runtime emulation
    8   /rumpkern - portion compiled with -D_KERNEL, uses kernel headers
    9   /rumpuser - userspace namespace support for previous, *NO* -D_KERNEL
   10               provides e.g. malloc() and some syscalls
   11 
   12 sys/rump/include
   13   /machine - headers meant to be used for rump compilation when the MD
   14              ones cause too much trouble, e.g. curlwp which is different
   15              from arch to arch
   16 
   17 sys/rump/fs - file system rumps
   18   /lib/lib_$fs  - kernel file system code compiled out of /sys with -D_KERNEL
   19 
   20 sys/rump/net - networking rumps
   21   /lib/libnet     - subroutines from sys/net, e.g. route and if_ethersubr
   22   /lib/libnetinet - TCP/IP
   23   /lib/libvirtif  - a virtual interface which uses host tap(4) to shovel
   24                     packets.  This is used by netinet and if_ethersubr.
   25   /lib/libsockin  - implements PF_INET using host kernel sockets.  This is
   26                     mutually exclusive with net, netinet and virtif.
   27 
   28 Users:
   29 src/lib
   30   /libp2k  - puffs-to-vfs adaption layer, userspace namespace
   31   /libukfs - user kernel file system, a library to access file system
   32              images (or devices) directly in userspace without going
   33              through a system call and puffs
   34 
   35 src/usr.sbin/puffs
   36   rump_$fs - userspace file system daemons using the kernel fs code

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