System Resource Controller

The System Resource Controller (SRC) provides a set of commands and subroutines to make it easier for the system manager and programmer to create and control subsystems.

A subsystem is any program or process or set of programs or processes that is usually capable of operating independently or with a controlling system. A subsystem is designed as a unit to provide a designated function.

The SRC was designed to minimize the need for operator intervention. It provides a mechanism to control subsystem processes using a common command line and the C interface. This mechanism includes the following:

• Consistent user interface for start, stop, and status inquiries
• Logging of the abnormal termination of subsystems
• Notification program called at the abnormal system termination of related processes
• Tracing of a subsystem, a group of subsystems, or a subserver
• Support for control of operations on a remote system
• Refreshing of a subsystem (such as after a configuration data change).

The SRC is useful if you want a common way to start, stop, and collect status information on processes.