CRE Programmer's Guide

Contents

Common Run-Time Environment (CRE) Programmer’s Guide—528146-004

2. CRE Services (continued)

Program Initialization (continued)

Native CRE Initialization 2-13

Initialization Errors 2-14

Initializing the TNS CRE From TAL 2-15

Initializing the Native CRE From pTAL 2-15

Program Termination 2-15

CRE_Terminator_ Procedure 2-16

Handling Error Conditions in CRE_Terminator_ 2-16

Sharing Standard Files 2-17

Sharing Standard Files Without Using the CRE 2-17

Sharing Standard Files Using the CRE 2-18

Using CRE Functions to Access the Standard Files 2-27

Determining When Standard Files Are Opened 2-28

Using Terminals and Process 2-28

Program Startup Message 2-28

Standard Input 2-29

Standard Output 2-31

Standard Log 2-33

Using $RECEIVE 2-34

$RECEIVE and Program Initialization 2-35

Messages Received From $RECEIVE 2-35

$RECEIVE and the Languages Supported by the CRE 2-35

Using a Spooler Collector 2-36

Memory Organization 2-37

TNS CRE Memory 2-37

Native CRE Memory 2-41

Using the Native Heap Managers 2-43

Undetected Logic Errors Can Exist in Code that Uses the Original Heap

Manager 2-44

Using the Overwrite Feature to Detect Logic Errors 2-44

Using the Programmatic Heap-Management Attributes 2-45

TNS CRE Traps and Exceptions 2-47

Errors in Program Logic 2-48

Hardware Traps 2-49

Catastrophic Errors 2-49

TNS CRE Trap Handler 2-50

Using ARMTRAP 2-51

Writing Messages to Standard Log 2-51