Leopard Reference Library
This page lists new and recently changed documents, including Articles, Guides, Reference, Release Notes, Sample Code, Technical Notes, and Technical Q&As. Most documents have a revision history, which details additions and changes to that document since the previous version. Look for "Revision History" at the bottom of the document or in the document's table of contents.

Items are listed in reverse chronological order by publication date. To see the list sorted by the type of revision, click Sort by Revision Type. Items published for the first time (First Version) will be at the top of the list, followed by items with new or changed content (Content Update), followed by items with small fixes, such as typos and format errors, but no significant content changes (Minor Change).

New and updated Reference Library documents are announced in the bi-weekly Apple Developer Connection News, available as an option to ADC members. See the Membership Overview page for details on joining.
Document Revision Descriptions
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2009-05-06 HID Class Device Interface Guide (HTML) (PDF)
Made minor corrections to code samples.
 Minor Change Guides Hardware & Drivers
2009-05-06 Porting Drivers to Mac OS X (HTML) (PDF)
Corrected bugs in code samples.
 Minor Change Guides General, Porting
2009-03-04 Audio Device Driver Programming Guide (HTML) (PDF)
Corrected errors in Listing 3-12 and 3-13.
 Minor Change Guides Hardware & Drivers
2009-03-04 I/O Kit Framework Reference (HTML)
Fixed various minor typographical error.
 Minor Change Reference General, Hardware & Drivers
2009-03-02 Network Kernel Extensions Programming Guide (HTML) (PDF)
Fixed an error in a code listing related to the return value of the socket function.
 Minor Change Guides Kernel, Networking
2009-02-26 Dynamic Library Programming Topics (HTML) (PDF)
Added information about run-path dependent libraries.
 Minor Change Guides Runtime Architecture
2009-02-04 Mac OS X ABI Function Call Guide (HTML) (PDF)
Made content corrections.
 Minor Change Guides Intel-Based Macs
2009-02-04 Mac OS X ABI Mach-O File Format Reference (HTML) (PDF)
Made minor changes.
 Minor Change Reference Runtime Architecture, Tools
2009-02-04 Universal Binary Programming Guidelines, Second Edition (HTML) (PDF)
Made minor content additions.
 Minor Change Guides Intel-Based Macs
2009-01-06 Authorization Services Programming Guide (HTML) (PDF)
Corrected minor errors. Changed the title from "Performing Privileged Operations With Authorization Services."
 Minor Change Guides Security
2009-01-06 Kernel Framework Reference (HTML)
Reprocessed using updated tools.
 Minor Change Reference General, Hardware & Drivers
2008-11-19 Code Signing Guide (HTML) (PDF)
Added a chapter describing the code signing requirement language.
 Content Update Guides Security
2008-11-19 System Startup Programming Topics (HTML) (PDF)
Miscellaneous edits.
 Minor Change Guides Runtime Architecture
2008-11-12 Kernel Core Dumps (HTML)
Revised content for Mac OS X 10.5. Added optional configurations section - port assignment, router use, and interface use. Added reference to FireWire SDK.
 Content Update Technical Notes Hardware & Drivers, Kernel
2008-10-15 Bluetooth Framework Reference (HTML)
Made minor corrections.
 Minor Change Reference Hardware & Drivers
2008-10-15 Security Overview (HTML) (PDF)
Added a link to the iPhone OS Technology Overview.
 Content Update Guides Security
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update Technical Q&As Hardware & Drivers, Kernel
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Technical Q&As Hardware & Drivers, Kernel
2008-09-24 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Updated source listing.
 Minor Change Technical Q&As Hardware & Drivers
2008-09-24 Retain Counts of io_object_t Objects in IOKit.framework (HTML) (日本語 HTML)
Minor editorial changes.
 Minor Change Technical Q&As Hardware & Drivers
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Technical Q&As Hardware & Drivers
2008-09-16 Disabling Processor Cores on a Multi-Core System (HTML) (日本語 HTML)
Added CHUD Processor preference pane. Removed obsolete content. Made editorial changes.
 Content Update Technical Q&As Performance
2008-09-16 Mac OS X and root access (HTML)
Modernized and made minor editorial changes.
 Minor Change Technical Q&As Hardware & Drivers, Kernel, Security
2008-09-16 Running At Login (HTML)
First Version
 First Version Technical Notes Process Management
2008-09-10 Observing Process Lifetimes Without Polling (HTML)
A major rewrite to eliminate use of deprecated APIs and to update the technote to reference the latest techniques.
 Minor Change Technical Notes Process Management