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Diffstat (limited to 'hurd/interface/fs/18.mdwn')
| -rw-r--r-- | hurd/interface/fs/18.mdwn | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/hurd/interface/fs/18.mdwn b/hurd/interface/fs/18.mdwn new file mode 100644 index 00000000..dbe606f3 --- /dev/null +++ b/hurd/interface/fs/18.mdwn @@ -0,0 +1,34 @@ +[[!meta copyright="Copyright © 1994, 1995, 1996, 1997, 1998, 1999, 2002, 2009 +Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="dir_lookup"]] + + routine dir_lookup ( + start_dir: file_t; + RPT + file_name: string_t; + flags: int; + mode: mode_t; + out do_retry: retry_type; + out retry_name: string_t; + out result: mach_port_send_t); + +Translate a file name, following all symlinks. Upon return, if `do_retry` is +`FS_RETRY_MAGICAL` then `retry_name` specifies what to do, the list of +possibilities is documented in `<hurd/hurd_types.h>`; if `FS_RETRY_REAUTH`, +then `result` should be reauthenticated before being used. If `retry_name` is +the empty string and the retry type is `FS_RETRY_NORMAL`, then no further +[[`dir_lookup`|dir_lookup]] calls are required; `result` is the port to use. +Otherwise the [[`dir_lookup`|dir_lookup]] call should be repeated, sent to +`result` (or the reauthenticated port) with `retry_name` passed for +`file_name`. This call is required to be supported by all files (even +non-directories) if the filename is null, and should function in that case as a +re-open of the file. |