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authorRoland McGrath <roland@gnu.org>1994-06-16 05:19:59 +0000
committerRoland McGrath <roland@gnu.org>1994-06-16 05:19:59 +0000
commit21e43fb88518704c59af9baf3ff1c19aa7a7e30b (patch)
tree426f0a5a72203bdaf97e17b624041fbfc78236f8 /hurd/fs.defs
parentf26e1f749f7402bd58d93d8bcc598ebcffef3d08 (diff)
Formerly fs.defs.~79~
Diffstat (limited to 'hurd/fs.defs')
-rw-r--r--hurd/fs.defs49
1 files changed, 36 insertions, 13 deletions
diff --git a/hurd/fs.defs b/hurd/fs.defs
index bf968adf..b99ba24b 100644
--- a/hurd/fs.defs
+++ b/hurd/fs.defs
@@ -118,6 +118,23 @@ routine file_lock_stat (
out mystatus: int;
out otherstatus: int);
+/* Find out what kind of access this file permits the current user
+ (regardless of the current open modes for this port). ALLOWED is a
+ bitwise OR of O_READ, O_WRITE, and O_EXEC. This is not necessarily the
+ same as what an open or exec would allow; O_EXEC is set for root even if
+ no executable bits are on (in which case file_exec should fail) and
+ O_WRITE is set a directory can be modified, even though it can't be
+ written directly. */
+routine file_check_access (
+ file: file_t;
+ out allowed: int);
+
+/* Notice changes to file FILE. Send notification messages (see
+ msg.defs) to PORT as they occur. */
+routine file_notice_changes (
+ file: file_t;
+ port: mach_port_send_t);
+
/* Return control port for this filesystem */
routine file_getcontrol (
file: file_t;
@@ -184,21 +201,21 @@ routine dir_pathtrans (
out retry_name: string_t;
out result: mach_port_send_t);
-/* Read dir entries from the directory. Amount must be a multiple of
- the block size of the file as returned by stat. Offset should
- either be zero or the value of nextoffset from a previous call to
- dir_readdir for this file. The retured data is an array of struct
- direct's. There is no necessary connection between the data
- retured by dir_readdir and io_read on the same port. However,
- io_read generally returns information in some filesystem-specific
- "raw format", possibly including more information than just
- directory entries. */
+/* Read entries from the directory. Each entry is identified
+ by an index number starting at 0 and running through the file. This
+ call fetches NENTRIES (or any convenient number if NENTRIES is -1)
+ entries starting at ENTRY, returning an array of struct directs in DATA.
+ The number of entries successfully read is returned in AMOUNT. If ENTRY
+ is bigger than the index of the last entry, then 0 is returned in
+ AMOUNT. If BUFSIZE is nonzero, never return more than BUFSIZE bytes of
+ data regardless. */
routine dir_readdir (
dir: file_t;
out data: data_t;
- offset: off_t;
- out nextoffset: off_t;
- amount: int);
+ entry: int;
+ nentries: int;
+ bufsiz: vm_size_t;
+ out amount: int);
/* Create directory */
/* INTR */
@@ -252,6 +269,12 @@ routine dir_mkfile (
mode: mode_t;
out newnode: mach_port_send_t);
+/* Notice changes to directory DIR. Send directory change notifications
+ (see msg.defs) to PORT as they occur. */
+routine dir_notice_changes (
+ directory: file_t;
+ port: mach_port_send_t);
+
/* To get or set the translator currently running on a file, use
file_set_translator, file_get_translator, or
file_get_translator_cntl on a port gotten with the
@@ -292,5 +315,5 @@ routine file_get_translator (
/* INTR */
routine file_get_translator_cntl (
file: file_t;
- out translator_cntl: mach_port_send_t);
+ out translator_cntl: fsys_t);