HP-UX 11i v3 Read Before Installing or Updating, March 2008 (Update 2 Release)

HP-UX Atomic APIs

(libatomic)

Usage of these APIs avoid the use of mutex locks or

semaphores in certain scenarios. Delivered as an

optional product in all OEs.

Improved Support for

Multi-threaded

Applications

Extends the mpctl(2) API and adds several new APIs

to improve HP-UX support for multi-threaded

applications. Provides the capability to have

finer-grain control.

Kernel Access

Infrastructure

HP-UX Virtual Memory provides a new set of APIs

to map user virtual addresses into the kernel. Useful

as a copy avoidance solution where user data can be

accessed and modified by kernel contexts, avoiding

the copying in and out of data when system calls are

invoked.

libc Enhancement Contains a new API called memsetU16(3C), which

can be used for memory operations to set area in

memory to contain 2-byte word. Delivered as an

optional product in all OEs.

Accelerated Virtual I/O

(GuestAvioLan)

Delivers a new re-architected I/O path for HPVM.

Newly delivered as a recommended product on the

HP-UX 11i v3 BOE, HA-OE, VSE-OE, DC-OE,

and the FOE, EOE, MCOE, TCOE.

patch_active_text Allows mprotect() write access to the text of a

running process such that the active text can be

modified.

New Product Description