diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/database | 9 | ||||
| -rw-r--r-- | doc/pseudo_ipc | 9 |
2 files changed, 14 insertions, 4 deletions
diff --git a/doc/database b/doc/database index cac7a3a..da8f750 100644 --- a/doc/database +++ b/doc/database @@ -64,6 +64,7 @@ LOGS severity (severity id) text (anything else you wanted to say) tag (identifier for operations) + access (integer) The log database contains a primary table (logs). As of this writing it is not indexed, because indexing is expensive during writes (common, for @@ -79,3 +80,11 @@ The log database "tag" field, added since the initial release of pseudo, is available for tagging operations. When a client connects to the pseudo server, it passes the value of the environment variable PSEUDO_TAG; this tag is then recorded for all log entries pertaining to that client. + +The log database "access" field, added since the initial release of pseudo, +stores values which are bitwise masks of the values 1 (execute), 2 (write), +4 (read), and 8 (append), used to report the modes with which a file was +opened. These values are not completely reliable. A value of 0 is typical +for non-open operations, and a value outside the 0-15 range (usually -1) +indicates that something went wrong trying to identify the mode of a given +open. diff --git a/doc/pseudo_ipc b/doc/pseudo_ipc index 6a73ec8..150a43e 100644 --- a/doc/pseudo_ipc +++ b/doc/pseudo_ipc @@ -4,7 +4,7 @@ typedef struct { pseudo_msg_type_t type; op_id_t op; res_id_t result; - int xerrno; + int access; int client; dev_t dev; unsigned long long ino; @@ -59,9 +59,10 @@ uid/gid/mode/rdev on response, and never sends a path back. Dev and inode are currently changed by stat-by-path operations, but this may turn out to be wrong. -xerrno is used to contain a changed errno if, at some point, the server wants -to override the default errno. Normally, the client just uses its existing -errno. +access holds information about the open mode of a file (read, write, append, +etc.), but is not fully implemented. + +A field "xerrno" used to exist; it was never actually implemented. nlink is used to forward the number of links. The server DOES NOT modify this. Rather, nlink is used to provide better diagnostics when checking |