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Boost is a set of libraries for the C++ programming language that provides support for tasks and structures such as linear algebra, pseudorandom number generation, multithreading, image processing, regular expressions, and unit testing. It contains 164 individual libraries (as of version 1.76).
Since multiple reader threads may hold the lock at once, this means that a writer thread may continue waiting for the lock while new reader threads are able to acquire the lock, even to the point where the writer may still be waiting after all of the readers which were holding the lock when it first attempted to acquire it have released the lock.
Upload file; Search. Search. Appearance. ... This article has multiple issues. ... A file system library based on boost::filesystem [37]
Allow concurrent threads to create multiple flyweight instances, thus eliminating contention and allowing multiple instances per value. To enable safe sharing between clients and threads, flyweight objects can be made into immutable value objects , where two instances are considered equal if their values are equal.
An important use of the conditional operator is in allowing a single initialization statement, rather than multiple initialization statements. In many cases this also allows single assignment and for an identifier to be a constant. The simplest benefit is avoiding duplicating the variable name, as in Python:
The object pool pattern is a software creational design pattern that uses a set of initialized objects kept ready to use – a "pool" – rather than allocating and destroying them on demand.
Resource acquisition is initialization (RAII) [1] is a programming idiom [2] used in several object-oriented, statically typed programming languages to describe a particular language behavior. In RAII, holding a resource is a class invariant , and is tied to object lifetime .
pthreads defines a set of C programming language types, functions and constants. It is implemented with a pthread.h header and a thread library.. There are around 100 threads procedures, all prefixed pthread_ and they can be categorized into five groups: