srv man page on Inferno

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SRV(3)									SRV(3)

NAME
       srv - server registry

SYNOPSIS
       bind #s [ spec ] /chan

       sys->bind("#sspec", "/chan", Sys->MREPL);

DESCRIPTION
       Srv  converts  between  file system operations by applications and mes‐
       sages on channels, as described in sys-file2chan(2).  Each attach  that
       does  not  include  a  spec produces a new instance: an empty directory
       owned by the current user in which only files may be created, and  then
       only  by	 sys-file2chan, using a special internal interface.  Each such
       file initially has the same owner as  the  directory,  and  permissions
       8r600  (read-write  for	the  owner  only),  but the permissions can be
       changed by Sys->wstat (see sys-stat(2)) and  thus  chmod(1).   If  mode
       Sys->DMEXCL  is	thereby set, the file becomes exclusive-use and can be
       opened by only one process at a time.  The file	length	and  mode  bit
       Sys->DMAPPEND  may  also be set by wstat but are not interpreted by the
       system.

       Files may be removed, directly using sys-remove(2) (and thus rm(1)), or
       indirectly  by  opening	them with mode Sys->ORCLOSE (see sys-open(2)).
       File2chan also removes the corresponding file when the last  references
       to the server's read and write channels have gone (eg, on server exit).

       A  spec	may  be given to name specific instances of srv, so that a new
       name space can bind in a service created in another.   Only  the	 owner
       (original creator) of the instance may attach to it, unless the mode of
       the service directory is changed using Sys->wstat (see sys-stat(2))  to
       have general access.

FILES
       /chan  directory to which srv is conventionally bound by various appli‐
	      cations

SOURCE
       /emu/port/devsrv.c
       /os/port/devsrv.c

SEE ALSO
       plumb(1), wm(1), sys-file2chan(2)

									SRV(3)
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