file descriptor - определение. Что такое file descriptor
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Что (кто) такое file descriptor - определение

ABSTRACT INDICATOR (HANDLE) USED TO ACCESS A FILE OR OTHER INPUT/OUTPUT RESOURCE
File Descriptor; Filehandle; File handle; Unbuffered IO; File descriptors; File handles; Fcntl.h; Lseek; File descriptor table; File table; Fcntl
  • multiple names]]). File descriptor 3 does not refer to anything in the file table, signifying that it has been closed.
Найдено результатов: 1130
file descriptor         
<programming, operating system> An integer that identifies an open file within a process. This number is obtained as a result of opening a file. Operations which read, write, or close a file would take the file descriptor as an input parameter. In many operating system implementations, file descriptors are small integers which index a table of open files. In Unix, file descriptors 0, 1 and 2 correspond to the standard input, standard output and standard error files respectively. See file descriptor leak. (1998-02-06)
File descriptor         
In Unix and Unix-like computer operating systems, a file descriptor (FD, less frequently fildes) is a unique identifier (handle) for a file or other input/output resource, such as a pipe or network socket.
Binary File Descriptor library         
AN OBJECT FILE LIBRARY USED BY THE GNU DEBUGGER, ASSEMBLER, LINKER, AND THE BINARY UTILITIES
Libbfd; Binary File Descriptor; Binary file descriptor library
The Binary File Descriptor library (BFD) is the GNU Project's main mechanism for the portable manipulation of object files in a variety of formats. , it supports approximately 50 file formats for some 25 instruction set architectures.
Media Descriptor File         
DISC IMAGE FILE FORMAT
.mds; MDS file; MDF and MDS file pair; Mirror Disk File
Media Descriptor File (MDF) is a proprietary disc image file format developed for Alcohol 120%, an optical disc authoring program. Daemon Tools, CDemu, MagicISO, PowerDVD, and WinCDEmu can also read the MDF format.
Descriptor (chemistry)         
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  • Isomerie der '''Aldoxime''': links ein früher als ''syn''-, heute als (''E'')-konfiguriert zu beschreibendes Aldoxim, rechts das entsprechende (''Z'')-  (veraltet: ''anti'')-Isomer.
  • ''cis'' (left) and ''trans'' isomerism (right) in a ring system.
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  • ''cis'' (left) and ''trans'' (right) configured double bound: maleic acid and fumaric acid
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  • Configuration assignment of the stereo center "X", the substituents are decreasingly prioritized from "A" → "D" according to the CIP rules.
  • Spiro[4.5]decane
  • [[Violet leaf aldehyde]], systematic name (''E'',''Z'')-nona-2,6-dienal, is a compound having one (''E'')- and one (''Z'')-configured double bond
TYPE OF NOTATIONAL PREFIX IN CHEMISTRY NOMENCLATURE
Pseudo-asymmetric carbon atom; Descriptor (Chemistry)
A descriptor is in chemical nomenclature a prefix placed before the systematic substance name, which describes the configuration or the stereochemistry of the molecule. Some listed descriptors are only of historical interest and should not be used in publications anymore as they do not correspond with the modern recommendations of the IUPAC.
Interrupt descriptor table         
MEMORY STRUCTURE OF X86 MICROPROCESSORS
Interrupt Descriptor Table
The Interrupt Descriptor Table (IDT) is a data structure used by the x86 architecture to implement an interrupt vector table. The IDT is used by the processor to determine the correct response to interrupts and exceptions.
Filé (band)         
BAND
File (band)
Filé is a cajun music ensemble from Louisiana founded in 1983. The group is named after filé powder, a spice used in cajun food.
File URI scheme         
UNIFORM RESOURCE IDENTIFIER SCHEME
File protocol; File url; File URI; File Protocol; File://; File:///
The File URI Scheme is a URI scheme defined in , typically used to retrieve files from within one's own computer.
file type         
  • wav-file: 2.1 Megabytes.
  • ogg-file: 154 kilobytes.
FORMALIZED STRUCTURE OF INFORMATION STORED ON A COMPUTER
File Formats; Filetype; File type; Bytestream format; File formats; Computer file formats; Computer file format; Binary signature; File format identification
<file format> The kind of data stored in a file. Most modern operating systems use the filename extension to determine the file type though some store this information elsewhere in the file system. The file type is used to choose an appropriate icon to represent the file in a GUI and the correct application with which to view, edit, run, or print the file. Different operating systems support different sets of file types though most agree on a large common set and allow arbitrary new types to be defined. See also MIME. {FileInfo.net - The File Extensions Resource (http://fileinfo.net)} (2006-07-11)
descriptor         
WIKIMEDIA DISAMBIGUATION PAGE
Descriptor (disambiguation)
<operating system> An integer, string or other small data value which refers to one of several objects allocated to a program by the operating system, usually the kernel. A common example is a Unix file descriptor which is a small integer that identifies an I/O channel. Another example is a reference to an area of memory (e.g. shared memory). Compare capability. (1998-02-06)

Википедия

File descriptor

In Unix and Unix-like computer operating systems, a file descriptor (FD, less frequently fildes) is a process-unique identifier (handle) for a file or other input/output resource, such as a pipe or network socket.

File descriptors typically have non-negative integer values, with negative values being reserved to indicate "no value" or error conditions.

File descriptors are a part of the POSIX API. Each Unix process (except perhaps daemons) should have three standard POSIX file descriptors, corresponding to the three standard streams: