CONTENTS

  Title Page

  Copyright Page

  Preface

  1      General

  1.1     1.1 Scope

  1.2     1.3 Conformance
    1.2.1      1.3.1 Implementation Conformance
    1.2.2      1.3.3 Language-Dependent Services for the C Programming Language
      1.2.2.1      1.3.3.2 C Standard Language System Support

  2      Definitions and General Requirements

  3      Binary Semaphores

  3.1     3.2 Functions
    3.1.1      3.2.1 Make a Binary Semaphore Set
    3.1.2      3.2.3 Open a Binary Semaphore Set

  3.2     3.4 Rationale Relating to Semaphores
    3.2.1      3.4.4 History of Resolution of Issues

  4      Process Memory Locking

  4.1     4.2 Functions
    4.1.1      4.2.1 Lock/Unlock a Process's Address Space

  5      Memory Mapped Files and Shared Memory

  5.1     5.3 Memory Mapped Files and Shared Memory Overview

  5.2     5.4 Functions
    5.2.1      5.4.1 Map Process Addresses to a Memory Object
    5.2.2      5.4.4 Memory Object Synchronization
    5.2.3      5.4.5 Open a Shared Memory Object
    5.2.4      5.4.10 Close a Memory Object
    5.2.5      5.4.11 Control Operations on Files and Shared Memory Objects
    5.2.6      5.4.12 Change Mode of a Memory Object
    5.2.7      5.4.13 Get Status of a Shared Memory Object
    5.2.8      5.4.14 Truncate a File or Shared Memory Object to a Specified Length

  6      Priority Scheduling

  6.1     6.2 Scheduling Policies
    6.1.1      6.2.3 SCHED_OTHER

  6.2     6.3 Functions
    6.2.1      6.3.1 Set Scheduling Parameters
    6.2.2      6.3.3 Set Scheduling Policy and Scheduling Parameters

  6.3     6.5 Rationale Relating to Priority Scheduling
    6.3.1      6.5.3 Standardization Issues

  7      Realtime Signals Extension

  7.1     7.1 Realtime Signals Overview
    7.1.1      7.1.1 Signal Names

  8      Clocks and Timers

  8.1     8.2 Functions
    8.1.1      8.2.1 Clocks
      8.1.1.1      8.2.1.1 Synopsis
    8.1.2      8.2.4 Perprocess Timers

  9      IPC Message Passing

  9.1     9.2 Functions
    9.1.1      9.2.1 Open a Message Queue
    9.1.2      9.2.2 Close a Message Queue
    9.1.3      9.2.3 Destroy a Message Queue
    9.1.4      9.2.4 Send a Message to a Message Queue
    9.1.5      9.2.5 Receive a Message from a Message Queue
    9.1.6      9.2.6 Notify a Process That a Message Is Available on a Queue
    9.1.7      9.2.7 Set Message Queue Attributes
    9.1.8      9.2.8 Get Message Queue Attributes

  10     Synchronized Input and Output

  10.1    10.3 Functions
    10.1.1     10.3.6 Data Synchronization
    10.1.2     10.3.7 Get Configurable Pathname Variables

  11     Asynchronous Input and Output

  11.1    11.4 Functions
    11.1.1     11.4.1 Asynchronous Read
    11.1.2     11.4.2 Asynchronous Write
    11.1.3     11.4.3 List Directed I/O
    11.1.4     11.4.4 Retrieve Error Status of Asynchronous I/O Operation
    11.1.5     11.4.5 Retrieve Return Status of Asynchronous I/O Operation
    11.1.6     11.4.6 Cancel Asynchronous I/O Request
    11.1.7     11.4.7 Wait for Asynchronous I/O Request
    11.1.8     11.4.8 Asynchronous File Synchronization
    11.1.9     11.4.11 Close a File

  12     Realtime Files

  12.1    12.4 Functions
    12.1.1     12.4.1 Create a Realtime File
    12.1.2     12.4.2 Get Attributes of a Realtime File
    12.1.3     12.4.3 Set Attributes of a Realtime File
    12.1.4     12.4.4 Get Capabilities of Realtime Files and File Systems
    12.1.5     12.4.5 Get Increment Lists
    12.1.6     12.4.6 Obtain a Suitably Aligned Data Buffer

  13     Extensions to POSIX.1