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POSIX.1b Description
Overview of Major Changes
Library Structure and Compiler Option Changes
Library Structure Changes
Compiler Option Changes
New Library Structure Issues
Name Conflicts Between liblynx.a and libc.a
Identifying Function Usage in Applications
Other Functions in liblynx.a
Using Parts of liblynx.a in an Application
Other General Changes
Scheduler Priority
Draft 9 code
Equivalent POSIX.1b code
Changes to Macros
Draft 9 code
Equivalent POSIX.1b code
Macros vs. Functions
yield ()
SCHED_OTHER
Non-Preemptible Scheduling Policy
Interoperability
Normal Signals Versus Events
Events Versus Real-Time Signals
The sigaction Structure
sigaction Structure Contents
The Event Structure
event Structure Contents
signal and event Handler Synopses
siginfo_t Structure
Data Structures
Signal Handlers
Use of the sigqueue Function
Sending a Real-Time Signal to a Process
Draft 9 Code
Equivalent POSIX.1b Code
Polling for a Real-Time Signal
Draft 9 Code
Equivalent POSIX.1b Code
Equivalence for Other Draft 9 Event Functions
Timers, Message Queues, and Asynchronous I/O
Changes from Draft 9 to POSIX.1b
Data Structures
Indefinite/Timed Wait
Ability to Send Arbitrary Data
Drafts 9 and 10 Event Functions
Interoperability
Creating Message Queues
Draft 9 Code
Equivalent POSIX.1b Code
Data Structure Changes
Getting and Setting Message Queue Attributes
Draft 9 Code
Equivalent POSIX.1b Code
Sending and Receiving Messages
Draft 9 Code
Equivalent POSIX.1b Code
Notification of Message Availability
Changes from Draft 9 to POSIX.1b
Interface Changes
Data Structures
Attributes
Messages
Message Priorities
Selective Receive
Process Priorities
Synchronization Control
Buffer Management
Sending and Receiving Events
Purging, Data Buffer Allocation/Freeing
Sender ID
Queue Wrap
Time-Stamping
Truncation Control
A Pointer-Worth of Data
Notification of Message Availability
exec() Behavior
New Utilities
Interoperability
Introduction
Creating and Deleting Shared Memory
Draft 9 Code
Equivalent POSIX.1b Code
Mapping and Unmapping Shared Memory
Draft 9 Code
Equivalent POSIX.1b code
Changes from Draft 9 to POSIX.1b
Persistence
Size of Shared Memory Object
Shared/Private Changes
fork() Behavior
Protection
msync() and mprotect() Functions
Return Values
New Utilities
Inter-Operability
Introduction
Resolution of a Clock
Draft 9 Code
Equivalent POSIX.1b Code
Creation and Deletion of a Timer
Draft 9 Code
Equivalent POSIX.1b Code
Setting a Timer
Draft 9 Code
Equivalent POSIX.1b Code
Determining Timer Overrun Count(s)
Draft 9 Code
Equivalent POSIX.1b Code
Changes from Draft 9 to POSIX.1b
Overrun Count
Signal/Event Associated with a Timer
Signal Number
Relative and Absolute Times
Resolutions
Get Timer Value
Create Timer
Clock Resolution
nanosleep()
Pending Signals/Events
Interoperability
Introduction
Unnamed Semaphores
Creating a Named Semaphore
Draft 9 Code
Equivalent POSIX.1b Code
Posting and Waiting on Semaphores
Draft 9 Code
Equivalent POSIX.1b Code
Conditional Posting to Semaphores
Draft 9 Code
Equivalent POSIX.1b Code
Changes from Draft 9 to POSIX.1b
Conditional Posting
Permission Checking
New Utilities
Interoperability
Locking the Specific Address Space
Draft 9 Code
Equivalent POSIX.1b Code
Locking Future Growth
Draft 9 Code
Equivalent POSIX.1b Code
Changes from Draft 9 to POSIX.1b
Locking Flags
Multiple Locks
Locking/Unlocking the Entire Process
Current/Future Locking
Interoperability
Data Structure Changes
Asynchronous Read and Write
Draft 9 Code
Equivalent POSIX.1b Code
List Directed I/O
Draft 9 Code
Equivalent POSIX.1b Code
Changes from Draft 9 to POSIX.1b
Data Structures
Timed Suspension
Cancellation Notification
listio Signal Delivery
aio_fsync()
Interoperability
