J-M

Java virtual machine
An interpreter for Java byte code.
lightweight process
A UNIX term denoting a thread that is implemented by the operating system.
linked data structure
A data structure consisting of components connected by links, usually pointers.
linking
Term used to denote either the whole process of forging a set of object modules into a single load module or the second phase of that process, when address references from one object module to another (so-called external references) are resolved with respect to the beginning of the load module being created.
list
A linked data structure consisting of nodes to hold data and links to the next element in the list (so-called singly linked list) or, in addition, links to the previous element in the list (doubly linked list).
little endian byte order
A byte order for numbers of at least 2 bytes in which the less significant byte is placed to the left of a more significant byte; Intel processors use little endian byte order.
load file
A synonym for load module.
load module
A file containing a binary code of a program with all address references resolved and ready to be loaded to the memory and executed.
loading
The process of copying the contents of a load module to memory while modifying logical addresses to physical.
local item
An item defined within a function (or block) with default storage class auto.
logical address
An address in the form of an offset from either the beginning of the load module or an activation frame.
macro-expansion
A method by which a macro defined through the #define preprocessor directive is replaced by the code.
maintainability
A property of software allowing reasonably easy modifications as requirements change during the software's lifetime.
malloc()
A C/C++ standard function that provides an interface to the process memory manager; used for requesting additional dynamic memory.
malloc.h
A slightly obsolete standard C header file for dealing with allocation and deallocation of memory.
memory alignment
Usually refers to the fact that the address of an item starts at a machine-word boundary in memory (to enable a more efficient memory access in terms of machine words).
memory allocation
A synonym for dynamic memory allocation.
memory deallocation
A synonym for dynamic memory deallocation.
memory leak
A commonly used term indicating that a program is dynamically allocating memory but not properly deallocating it, which results in a gradual accumulation of unused memory by the program to the detriment of other programs, the operating system, and itself.
memory manager
A synonym for process memory manager.
memory-mapped I/O operation
An operating system approach to "sending" data to various I/O devices; for instance, "storing data" at a special address X is interpreted by the operating system as a request to send the data to a disk.
memory mapping
The process of assigning physical addresses to logical addresses.
memory segment
A contiguous section of memory; referred to in other contexts as a buffer.
messaging
A system of sending and receiving messages by processes.
modularization
Breakup of a program into smaller and more manageable modules with precisely defined mutual interaction, usually through precise interfaces.
multithreading
Running several threads in a process simultaneously .
mutex
A binary semaphore implementing mutual exclusion for threads.


Memory as a Programming Concept in C and C++
Memory as a Programming Concept in C and C++
ISBN: 0521520436
EAN: 2147483647
Year: 2003
Pages: 64

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