[permalink] [id link]
A system call is processed in kernel mode, which is accomplished by changing the processor execution mode to a more privileged one, but no process context switch is necessary — although a privilege context switch does occur.
from
Wikipedia
Some Related Sentences
system and call
Arabs, on the other hand, call the system " Hindu numerals ", referring to their origin in India.
Installers of multi-line business services where outgoing calls from all lines display the company's main number on call display can use ANAC to identify a specific line in the system, even if CID displays every line as " line one ".
Regardless, if one were to call one of these numbers, listen for the number confirmation and hang up, they would in effect be using this system as if it were an ANAC.
Long-term plans call for upgrading higher-quality roads and integrating the road system into the European grid.
The set of agreements used by a partnership about the meaning of each call is referred to as a bidding system, full details of which must be made available to the opponents ; ' secret ' systems are not allowed.
For example, an IBM PC might have either a monochrome or a color display adapter ( using different display memory addresses and hardware ), but a single, standard, BIOS system call may be invoked to display a character at a specified position on the screen in text mode.
Both sides publicly call for the resolution of intercommunal differences and creation of a new federal system ( Greek Cypriot position ) or confederate system ( Turkish Cypriot position ) of government.
Cygwin consists of a library that implements the POSIX system call API in terms of Win32 system calls, a GNU development toolchain ( including GCC and GDB ) to allow software development, and a large number of application programs equivalent to those on Unix systems.
* The fork system call for duplicating a process is fully implemented, but it does not map well to the Windows API.
A Bourne shell-compatible command interpreter, such as bash, was needed and in turn a fork system call emulation and standard input / output.
The PCBs are sometimes stored upon a per-process stack in kernel memory ( as opposed to the user-mode call stack ), or there may be some specific operating system defined data structure for this information.
The U. S. military sometimes uses a system, which they call " Julian date format " that indicates the year and the actual day out of the 365 days of the year ( and thus a designation of the month would not be needed ).
Some servers implement a voting system, in which case players can call for a vote to kick or ban the accused cheater.
A Pattern Language: Towns, Buildings, Construction ( 1977 ) described a practical architectural system in a form that a theoretical mathematician or computer scientist might call a generative grammar.
* clone ( Linux system call ), in C, relating to multithreading
; uses PCHAR system call
Books are catalogued in ascending numerical order ; when two or more books have the same classification number, the system sub-divides the class alphabetically, by the use of a call number ( usually the first letter, or letters, of the author's last name, or the title if there is no identifiable author.
He later refined the term, describing it as " The whole system, ... including not only the organism-complex, but also the whole complex of physical factors forming what we call the environment ".
For example, in a system where there is no queuing, the GoS may be that no more than 1 call in 100 is blocked ( i. e., rejected ) due to all circuits being in use ( a GoS of 0. 01 ), which becomes the target probability of call blocking, P < sub > b </ sub >, when using the Erlang B formula.
Another method of estimating E < sub > o </ sub > in an overloaded system is to measure the busy-hour call arrival rate, λ ( counting successful calls and blocked calls ), and the average call-holding time ( for successful calls ), h, and then estimate E < sub > o </ sub > using the formula E
This structure typically also stores local variables, including subroutine parameters ( in call by value system such as C ).
Initially, Torvalds wanted to call the kernel he developed Freax ( a combination of " free ", " freak ", and the letter X to indicate that it is a Unix-like system ), but his friend Ari Lemmke, who administered the FTP server where the kernel was first hosted for downloading, named Torvalds ' directory linux.
system and is
However, the system is designed, ingeniously and hopefully, so that no one man could initiate a thermonuclear war.
Presupposed in Plato's system is a doctrine of levels of insight, in which a certain kind of detached understanding is alone capable of penetrating to the most sublime wisdom.
Thus the cocktail party would appear to be the ideal system, but there is one weakness.
For the occasion on which everyone already knows everyone else and the host wishes them to meet one or a few honored newcomers, then the `` open house '' system is advantageous because the honored guests are fixed connective points and the drifting guests make and break connections at the door.
The connective system, or network, is tailored to meet the requirements of the objective, and it is therefore not surprising that a military body acting as a single coordinated unit has a different communication network than a factory, a college, or a rural village.
The problem is rather to find out what is actually happening, and this is especially difficult for the reason that `` we are busily being defended from a knowledge of the present, sometimes by the very agencies -- our educational system, our mass media, our statesmen -- on which we have had to rely most heavily for understanding of ourselves ''.
It is an organized system of these things.
This is necessary for a sounder collective defense system.
It is possible that international organization will ultimately supplant the multi-state system, but its proper function for the immediate future is to reform and supplement that system in order to render pluralism more compatible with an interdependent world.
Air Force life is great, the cadet wrote, `` though the fourth-class system is no fun ''.
An adequate system of VA hospitals is better equipped to care for the veterans than any 50 state hospitals.
The highway system is an agency of government, and when it grinds up 40,000 Americans every year the government is destroying its own taxpayers, which is obviously a silly thing for any government to do.
but the government is left with no reserve granary, under the agricultural system it has ordained.
It is the consequence of the system of ideas that constitutes the frame of our international -- and in some degree our domestic -- policy.
The system is composed of three credit services, Federal Land Banks and National Farm Loan Associations, Federal Intermediate ( short-term ) Credit Banks, and Banks for Cooperatives.
system and processed
This information is processed by the brain and the autonomic nervous system mediates the homeostatic responses.
The water system starts with rain water, processed for drinking, then washing, then plant watering, then toilet flushing, and finally black water is recycled again for more plant watering.
In computer science and software engineering, software is all information processed by computer system, programs and data.
Its name comes from the information path in the system: process inputs ( e. g., voltage applied to an electric motor ) have an effect on the process outputs ( e. g., speed or torque of the motor ), which is measured with sensors and processed by the controller ; the result ( the control signal ) is " fed back " as input to the process, closing the loop.
Although Adams was finally found innocent after years of being processed by the legal system, the judge in the habeas corpus hearing officially stated that, " much could be said about those videotape interviews, but nothing that would have any bearing on the matter before this court.
In environmentally responsible uses, the nutrient rich waste is collected and processed through an on site filtration system to be used many times, making the system very productive.
Computer security can focus on ensuring the availability and correct operation of a computer system without concern for the information stored or processed by the computer.
* Sensory nerves conduct sensory information from their receptors to the central nervous system, where the information is then processed.
The item is then processed by the postal system, where a postmark, sometimes known as a cancellation mark, is usually applied over the stamp and cover ; this procedure marks the stamp as used, which prevents its reuse.
An information system is a form of communication system in which data represent and are processed as a form of social memory.
Because these proteins are recognised as foreign, when they are processed by the host cells and displayed on their surface, the immune system is alerted, which then triggers a range of immune responses.
The excitation is processed by the neuronal system and various parts of the brain working in parallel to form a representation of the external environment in the brain.
According to Bejesky, the majority of long-term Falun Gong detainees are processed administratively through this system instead of the criminal justice system.
It is relatively easy to change the interpretation of a digital document by implementing changes on the computer system where the document is being processed.
This allows for parts of both eyes that attend to the right visual field to be processed in the left visual system in the brain, and vice versa.
However, a drawback to this architecture is that a large part of the system falls idle when programs or system tasks are executed that cannot be divided into units that can be processed in parallel.
The nutrients that are released to the circulatory system are processed by the liver, having passed through the systemic circulation.
The node scheduling, the file staging and other processing are automatically processed by the system according to the batch script.
A system call does not require a context switch to another process, it is processed in the context of whichever process invoked it.
Philips developed an alternative noise reduction system known as Dynamic Noise Limiter ( DNL ) which did not require the tapes to be processed during recording ; this was also the basis of the later DNR noise reduction.
0.312 seconds.