Guardian Programming Reference Summary for C

Functions Summary (G-N)
Guardian Programming Reference Summary for C—522630-001
6-16
LASTRECEIVE
(superseded by FILE_GETRECEIVEINFO_) Obtains the four-word process ID and the
message tag associated with the last message read from the $RECEIVE file.
This procedure does not have a C syntax, because it is superseded and should not be
used for new development. This procedure is supported only for compatibility with
previous software.
LOCATESYSTEM
(superseded by NODENAME_TO_NODENUMBER_) Provides the system number
corresponding to a system name and returns the logical device number of the line
handler controlling the path to a given system.
This procedure does not have a C syntax, because it is superseded and should not be
used for new development. This procedure is supported only for compatibility with
previous software.
LOCKFILE
Excludes other processes from accessing a file (and any records within that file). This
procedure operates only on Guardian objects.
LOCKINFO
(superseded by FILE_GETLOCKINFO_) Provides information about locks (held or
pending) on a DP2 disk volume. This procedure operates only on Guardian objects.
This procedure does not have a C syntax, because it is superseded and should not be
used for new development. This procedure is supported only for compatibility with
previous software.
LOCKREC
Excludes other processes from accessing a record at the current position. This
procedure operates only on Guardian objects.
#include <cextdecs(LOCKFILE)>
_cc_status LOCKFILE ( short filenum /* i */
,[ long tag ] );/* o */
_status_lt (<returned_value>)
An error occurred (call FILEINFO).
_status_eq (<returned_value>)
LOCKFILE was successful.
_status_gt (<returned_value>)
The file is not a disk file.