HP OpenVMS Systems Documentation

HP OpenVMS Programming Concepts Manual Previous Contents Index Chapter 24 24 Using Run-Time Library Routines to Access Operating System Components      24.1     System Service Access Routines      24.2     Access to the Command Language Interpreter          24.2.1         Obtaining the Command Line          24.2.2         Chaining from One Program to Another          24.2.3         Executing a CLI Command          24.2.4         Using Symbols and Logical Names          24.2.5         Disabling and Enabling Control Characters          24.2.6         Creating and Connecting to a Subprocess      24.3     Access to VAX Machine Instructions          24.3.1         Variable-Length Bit Field Instruction Routines          24.3.2         Integer and Floating-Point Routines          24.3.3         Queue Access Routines          24.3.4         Character String Routines          24.3.5         Miscellaneous Instruction Routines      24.4     Processwide Resource Allocation Routines          24.4.1         Allocating Logical Unit Numbers          24.4.2         Allocating Event Flag Numbers      24.5     Performance Measurement Routines      24.6     Output Formatting Control Routines      24.7     Miscellaneous Interface Routines          24.7.1         Indicating Asynchronous System Trap in Progress          24.7.2         Create a Directory or Subdirectory          24.7.3         File Searching Routines          24.7.4         Inserting an Entry into a Balanced Binary Tree Chapter 25 25 Using Cross-Reference Routines      25.1     How to Use the Cross-Reference Routines      25.2     $CRFCTLTABLE Macro      25.3     $CRFFIELD Macro      25.4     $CRFFIELDEND Macro      25.5     Cross-Reference Output      25.6     Example          25.6.1         Defining Control Tables          25.6.2         Inserting Table Information          25.6.3         Formatting Information for Output      25.7     How to Link to the Cross-Reference Shareable Image Chapter 26 26 Shareable Resources      26.1     Sharing Program Code          26.1.1         Object Libraries              26.1.1.1             System- and User-Defined Default Object Libraries              26.1.1.2             How the Linker Searches Libraries              26.1.1.3             Creating an Object Library              26.1.1.4             Managing an Object Library          26.1.2         Text and Macro Libraries      26.2     Shareable Images      26.3     Symbols          26.3.1         Defining Symbols          26.3.2         Local and Global Symbols          26.3.3         Resolving Global Symbols              26.3.3.1             Explicitly Named Modules and Libraries              26.3.3.2             System Default Libraries              26.3.3.3             User Default Libraries              26.3.3.4             Making a Library Available for Systemwide Use              26.3.3.5             Macro Libraries          26.3.4         Sharing Data              26.3.4.1             Installed Common Blocks              26.3.4.2             Using Global Sections              26.3.4.3             Synchronizing Access to Global Sections              26.3.4.4             RMS Shared Files Chapter 27 27 System Time Operations      27.1     System Time Format          27.1.1         Absolute Time Format          27.1.2         Delta Time Format      27.2     Time Conversion and Date/Time Manipulation          27.2.1         Time Conversion Routines              27.2.1.1             Calculating and Displaying Time with SYS$GETTIM and LIB$SUBX              27.2.1.2             Obtaining Absolute Time with SYS$ASCTIM and SYS$BINTIM              27.2.1.3             Obtaining Delta Time with SYS$BINTIM              27.2.1.4             Obtaining Numeric and ASCII Time with SYS$NUMTIM          27.2.2         Date/Time Manipulation Routines      27.3     Timer Routines Used to Obtain and Set Current Time          27.3.1         Obtaining Current Time and Date with LIB$DATE_TIME          27.3.2         Obtaining Current Time and Date with SYS$GETTIM          27.3.3         Setting the Current Time with SYS$SETIME      27.4     Routines Used for Timer Requests          27.4.1         Setting Timer Requests with SYS$SETIMR          27.4.2         Canceling a Timer Request with SYS$CANTIM          27.4.3         Scheduling Wakeups with SYS$WAKE          27.4.4         Canceling a Scheduled Wakeup with SYS$CANWAK          27.4.5         Executing a Program at Timed Intervals      27.5     Routines Used for Timer Statistics      27.6     Date/Time Formatting Routines          27.6.1         Performing Date/Time Logical Initialization          27.6.2         Selecting a Format              27.6.2.1             Formatting Run-Time Mnemonics              27.6.2.2             Specifying Formats at Run Time              27.6.2.3             Specifying Input Formats at Run Time              27.6.2.4             Specifying Output Formats at Run Time              27.6.2.5             Specifying Formats at Compile Time              27.6.2.6             Specifying Input Format Mnemonics at Compile Time              27.6.2.7             Specifying Output Formats at Compile Time          27.6.3         Converting with the LIB$CONVERT_DATE_STRING Routine          27.6.4         Retrieving with LIB$GET_DATE_FORMAT Routine              27.6.4.1             Using User-Defined Output Formats      27.7     Coordinated Universal Time Format Previous Next Contents Index