Serving to surround or bookend something else.
Used in a Sentence
wraparound
Definitions, parts of speech, synonyms, and sentence examples for wraparound.
Editorial note
Checking future result of arithmetic where a wraparound is undesired or undefined, is a basic skill every C programmer should know.
Examples13
Definitions4
Parts of speech2
Quick take
Serving to surround or bookend something else.
Meaning at a glance
The clearest senses and uses of wraparound gathered in one view.
(countable) A garment that is wrapped around the body and tied.
(countable) A label or advertising display that wraps around a container.
Definitions
Core meanings and parts of speech for wraparound.
adjective
Serving to surround or bookend something else.
noun
(countable) A garment that is wrapped around the body and tied.
noun
(countable) A label or advertising display that wraps around a container.
noun
(uncountable, countable, programming) The wrapping of numerical values in case of underflow or overflow.
Example sentences
Checking future result of arithmetic where a wraparound is undesired or undefined, is a basic skill every C programmer should know.
Also, the counters would need to be 64 bits so that wraparound isn't a concern.
You can see the potential for a similar wraparound even on e.g.
You need to monitor how close you are to a wraparound.
Maybe I'm misunderstanding, but wouldn't opening a file descriptor to a process via /proc have the same race condition issues with process id wraparound?
Consequently, most databases like PostgreSQL are designed under the assumption that wraparound will happen and provide mechanisms for smoothly managing that in the hands of someone that knows what they are doing.
Since there are good technical solutions to transaction id wraparound, it would be silly to make everyone suffer from poor performance to keep a few poor DBAs from shooting themselves in the foot.
No matter how much automatic safety you build into the database, there are performance optimization knobs that enable an incompetent or unskilled DBA to effectively disable or render ineffective the transaction wraparound management mechanisms.
> Maybe I'm misunderstanding, but wouldn't opening a file descriptor to a process via /proc have the same race condition issues with process id wraparound?
Creating a compliant application for transmitting ECGs wouldn't really be a new thing-- when attending an emergency medicine conference two years ago I met a physician/programmer who had done just this for both stroke and heart attack, designed and marketed as a wraparound subscription-based solution.
The problem with the algorithm (which I'm discussing on another subthread) is that the increment of the shared counter needs to be atomic, and the integers need to be 64 bits to avoid wraparound, and I'm not sure that all architectures support atomic 64 bit increments.
Nor was it clear when they started reacting, as PostgreSQL (also outlined in their documentation link), will start squawking about wraparound well before it shuts down, or the monitoring they had in place for whether or not autovacuum/vacuum was keeping up with the workload, or the number of locks their application was taking (locks can block autovacuum).
Quote examples
Signed types have the same "wraparound" problem, i think the OP meant that they don't have this problem at the zero boundary.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use wraparound in a sentence?
Checking future result of arithmetic where a wraparound is undesired or undefined, is a basic skill every C programmer should know.
What does wraparound mean?
Serving to surround or bookend something else.
What part of speech is wraparound?
wraparound is commonly used as adjective, noun.