checkpoint

(redirected from Checkpost)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

checkpoint

[′chek‚pȯint]
(cell and molecular biology)
A point in the eukaryotic cell cycle at which the cycle may continue if specific conditions are present or will stop if conditions are not right.
(computer science)
That place in a routine at which the entire state of the computer (memory, registers, and so on) is written out on auxiliary storage (tape, disk, cards) from which it may be read back into the computer if the program is to be restarted later.
(navigation)
Geographical location on land or water above which the position of an aircraft in flight may be determined by observation or by electronic means.

checkpoint

i. A predetermined point on the earth's surface used as a means of controlling movement, a registration target for fire adjustment, or a reference for location.
ii. A geographical location on land or water above which the position of an aircraft in flight may be determined by observation or by electronic means.

checkpoint

(programming)
Saving the current state of a program and its data, including intermediate results, to disk or other non-volatile storage, so that if interrupted the program could be restarted at the point at which the last checkpoint occurred.

This facility came into popular use in mainframe operating systemss such as OS/360 in which programs frequently ran for longer than the mean time between system failures. If a program run fails because of some event beyond the program's control (e.g. hardware or operating system failure) then the processor time invested before the checkpoint will not have been wasted.
References in periodicals archive ?
The Checkposts will be at Akhaura in Agartala, Petrapole, Dawki, Hilli, Sutarkandi, Changrabandha and Kawrpuichhuah.
The attack was on a joint checkpost of the Pakistan army and a paramilitary force in the Sarai Norang area of Lakki Marwat district, close to the semi-autonomous tribal belt infested with Taliban and Al Qaeda-linked militants.
Al Ghuwaifat checkpost is well equipped with waiting halls, passports checking cabins and passageways for cars along with other amenities including an ambulance furnished with the latest medical devices," Major Al Afari added.
On May 29, at least three policemen, including a sub-inspector, were killed when unidentified gunmen fired indiscriminately at a police checkpost in Samanabad.
He blew up the car a few hundreds metres before the checkpost," said one of the military officials in the valley, who declined to be identified.
Jamrud is the last checkpost on the border in the Khyber Tribal Agency, which is currently experiencing an insurgency from pro-Taliban militants fighting the Pakistan army.
Afghan security forces early on Wednesday morning fired mortal shells at a security checkpost in the Angoor Adda area of South Waziristan.
Saeed Jan accused the personnela[euro](tm)s at Bhagyari Checkpost of corruption charges and said that for money they allow illegal things to process.
The Jilong Checkpost was planned to be launched in the start of October this year.
It was during checking of a passenger bus at checkpost near Windar that they recovered approximately 8 kilograms of heroin from an unclaimed bag in the vehicle.
Summary: A suicide bomber targeted an Afghan police checkpost on the outskirts of Kabul, killing one .
Islamabad, July 4 (Xinhua-ANI): At least five security personnel were killed and eight others injured when a checkpost was attacked by a suicide blast in Pakistan's northwest tribal area of North Waziristan on Thursday afternoon, reported local Urdu TV channel Geo.