Copyright (C) 1992, Digital Equipment Corporation
All rights reserved.
See the file COPYRIGHT for a full description.
Last Modified On Fri Jun 11 13:54:56 PDT 1993 by kalsow
Modified On Wed Feb 3 22:48:42 PST 1993 by mjordan
Modified On Fri May 29 16:46:51 PDT 1992 by muller
INTERFACE RTPerfTool;
This interface provides procedures to start performance tools with
a very low-level communication channel.
TYPE Handle = INTEGER;
PROCEDURE Start (param: TEXT; VAR w: Handle): BOOLEAN;
If the Modula runtime parameter param is not set, return FALSE.
Otherwise, use the value of that parameter to determine the name
of the program to start. If the value of the parameters is param is used as its value. Start the program and wait until
it writes a byte on its stdout file. If everything succeeds, return
TRUE and set w to a handle connected to the tool's stdin file.
Otherwise, return FALSE.
PROCEDURE Close (w: Handle);
Makes a good effort attempt to shutdown the connection to the
tool attached to w. The result of reusing a closed handle is
undefined.
PROCEDURE Send (w: Handle; at: ADDRESS; len: CARDINAL): BOOLEAN;
Sends len bytes of data beginning at address at to the
monitoring tool connected to handle w. Returns TRUE iff
the operation was successful. This routine must be called
from within a runtime critical section.
END RTPerfTool.