mmap - определение. Что такое mmap
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Что (кто) такое mmap - определение

MEMORY MAP - POSIX-COMPLIANT SYSTEM CALL

mmap         
WIKIMEDIA DISAMBIGUATION PAGE
MMAP (disambiguation)
The Unix system call which establishes a mapping between a range of addresses in a user process's address space and a portion of some "memory object" (typically a file, one of the special "devices" /dev/mem or /dev/kmem or some memory-mapped peripheral). This allows the process to access a file at random byte offsets without using the seek system call or to access physical addresses or kernel's virtual address space. It can also be used as an alternative to writing a device driver since it is usually simpler to code and faster to use. (1995-02-14)
Mmap         
WIKIMEDIA DISAMBIGUATION PAGE
MMAP (disambiguation)
In computing, mmap(2) is a POSIX-compliant Unix system call that maps files or devices into memory. It is a method of memory-mapped file I/O.
WD Repeat and Coiled Coil Containing Protein         
  • Figure 4. WDCP evolutionary rate graph
  • Figure 3. WDCP conceptual translation. Annotations include repeat sites, known post-translational modification sites, and protein-protein interaction sites
PROTEIN-CODING GENE IN THE SPECIES HOMO SAPIENS
WDCP; User:Skbuddhavarapu/sandbox; Draft:WD Repeat and Coiled Coil Containing Protein
WD Repeat and Coiled-coiled containing protein (WDCP) is a protein which in humans is encoded by the WDCP gene. The function of the protein is not completely understood, but WDCP has been identified in a fusion protein with anaplastic lymphoma kinase found in colorectal cancer.

Википедия

Mmap

In computing, mmap(2) is a POSIX-compliant Unix system call that maps files or devices into memory. It is a method of memory-mapped file I/O. It implements demand paging because file contents are not immediately read from disk and initially use no physical RAM at all. The actual reads from disk are performed after a specific location is accessed, in a lazy manner. After the mapping is no longer needed, the pointers must be unmapped with munmap(2). Protection information—for example, marking mapped regions as executable—can be managed using mprotect(2), and special treatment can be enforced using madvise(2).

In Linux, macOS and the BSDs, mmap can create several types of mappings. Other operating systems may only support a subset of these; for example, shared mappings may not be practical in an operating system without a global VFS or I/O cache.