Keywords - M

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managers (system processes)

· [System processes] ·

similarity to user-written processes

· [System processes vs. user-written processes] ·

memory parity error, signal generated

· [Summary of signals] ·

memory references, signal generated upon detection of invalid reference

· [Summary of signals] ·

memory-image dump, generating when a process is terminated by a signal

· [Termination] ·

message passing

· [IPC via messages] · [QNX as a message-passing operating system] ·

advanced facilities

· [Advanced facilities] ·

buffer space already allocated for a message, using

· [Reading or writing part of a message] ·

conditional message reception

· [Conditional message reception] ·

messages

containing variable amounts of data

· [Reading or writing part of a message] ·

contents of

· [IPC via messages] · [QNX as a message-passing operating system] ·

defined

· [IPC via messages] ·

multipart

· [Multipart messages] ·

purpose of

· [Interprocess communication] ·

where data is stored

· [Additional points to remember] ·

network-wide

· [An independent module] · [Introduction] · [Receiving the message on the remote node] · [Sending a message to a remote node] · [Virtual circuits] ·

order in which messages are received

· [Additional points to remember] ·

primitives

· [Conditional message reception] · [Message-passing primitives] · [Multipart messages] ·

process synchronization

· [Process synchronization] ·

reading part of a message

· [Reading or writing part of a message] ·

remote messages

receiving

· [Microkernel/Network Manager interface] · [Receiving the message on the remote node] ·

sending

· [Microkernel/Network Manager interface] ·

reserved message codes

· [Reserved message codes] ·

signals and messages

· [Signals and messages] ·

synchronizing processes

· [Process synchronization] ·

writing part of a message

· [Reading or writing part of a message] ·

zero-length messages

· [Additional points to remember] ·

zero-length replies

· [Additional points to remember] ·

Microkernel

architecture

· [QNX's microkernel architecture] ·

entered as result of kernel calls

· [A true kernel] ·

general responsibilities

· [A true kernel] · [Introduction] ·

interface with Network Manager

· [Microkernel/Network Manager interface] ·

scheduling processes

· [Process priorities] · [When scheduling decisions are made] ·

modem, connected to a serial port

· [Edited input mode] ·

modification date (files)

· [Date and time stamps] ·

mounting filesystems

· [Mounting a filesystem] ·

block special files

· [Mounting a filesystem] ·

moving the cursor

· [Edited input mode] ·

multi-sector writes

· [Elevator seeking] ·

multi-threading (Filesystem Manager)

· [Multi-threading] ·

multipart messages

· [Multipart messages] ·

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