ToolTalk User's Guide
Glossary
- CAD
- Computer-aided design.
- CASE
- Computer-aided software engineering.
- Category
- Attributes of a pattern that indicate whether the application wants to handle requests that match the pattern or only observe the requests.
- Classing Engine (CE)
Identifies the characteristics of desktop objects; that is, it stores attributes such as print method, icons, and file opening commands of desktop objects.
- Classing Engine tables
- The types database read by the OpenWindows Classing Engine.
- contexts
- Associates arbitrary pairs (that is, <name. value> pairs) with ToolTalk messages and patterns.
- dynamic message patterns
- Provides message pattern information while your application is running.
- fail a request
- Inform a sending application that the requested operation cannot be performed.
- fd
- File descriptor.
- file
- A container for data that is of interest to applications.
- libtt
- The ToolTalk application programming interface (API) library.
- handle a message
- To perform the operation requested by the sending application; to send a ToolTalk reply to a request.
- initial session
- The ToolTalk session in which the application was started.
- mark
- An integer that represents a location on the API stack.
- message
- A structure that the ToolTalk service delivers to processes. A ToolTalk message consists of an operation name, a vector of type arguments, a status value or string pair, and ancillary addressing information.
- message callback
- A client function. The ToolTalk service invokes this function to report information about the specified message back to the sending application; for example, the message failed or the message caused a tool to start.
- message pattern
Defines the information your application wants to receive.
- message protocol
- A message protocol is a set of ToolTalk messages that describe operations the applications agree to perform.
- notice
- A notice is informational, a way for an application to announce an event.
- object content
- Object content is managed by the application that creates or manages the object and is typically a piece, or pieces, of an ordinary file: a paragraph, a source code function, or a range of spreadsheet cells.
- object files
Files that contain object information. Applications can query for objects in a file and perform operations on batches of objects.
- object-oriented messages
- Messages addressed to objects managed by applications.
- object specification (spec)
- An object specification (known as a spec) contains standard properties such as the type of object, the name of the file in which the object contents are located, and the object owner.
- object type (otype)
- The object type (otype) for your application provides addressing information that the ToolTalk service uses when delivering object-oriented messages.
- object type identifier (otid)
- Identifies the object type.
- observe a message
- To only view a message without performing any operation that may be requested.
- observe promise
- Guarantees that the ToolTalk service will deliver a copy of each matching message to ptypes with an observer signature of start or queue disposition. The ToolTalk service will deliver the message either to a running instance of the ptype, by starting an instance, or by queueing the message for the ptype.
- opaque pointer
- A value that has meaning only when passed through a particular interface.
- package
- A group of components that together create some software. A package contains the executables that comprise the software, but also includes information files and scripts. Software is installed in the form of packages.
- pattern callback
- A client function. The ToolTalk service invokes this function when a message is received that matches the specified pattern.
- process
- One execution of an application, tool, or program that uses the ToolTalk service.
- process-oriented messages
- Messages addressed to processes.
- procid
The process identifier.
- ptid
- The process type identifier.
- ptype
- The process type.
- reject a request
- Tells the ToolTalk service that the receiving application is unable to perform the requested operation and that the message should be given to another tool.
- request
- A request is a call for an action. The results of the action are recorded in the message, and the message is returned to the sender as a reply.
- rpc.ttdbserverd
- The ToolTalk database server process.
- scope
- The attribute of a message or pattern that determines how widely the ToolTalk service looks for matching messages or patterns.
- sessid
- Identifies the session.
- session
- A group of processes that are related either by the same desktop or the same process tree.
- signatures
- A pattern in a ptype or otype. A signature can contain values for disposition and operation numbers.
- Ptype signatures (psignatures) describe the procedural messages that the program wants to receive.
- Otype signatures (osignatures) define the messages that can be addressed to objects of the type.
- spec
- See object specification.
- static message patterns
Provides an easy way to specify the message pattern information if you want to receive a defined set of messages.
- tool manager
- A program used to coordinate the development tools in the environment.
- ToolTalk Types Database
- The database that stores ToolTalk type information.
- ttdbck
- Check and repair utility for the ToolTalk database.
- ttsession
- The ToolTalk communication process.
- tt_type_comp
- The ToolTalk type compiler.
- wrapped shell commands
- ToolTalk-enhanced shell commands. These commands safely perform common file operations on ToolTalk files.
- xdr format tables
- The types database read when ttsession is invoked.
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