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In computer programming, thread-local storage (TLS) is a memory management method that uses static or global memory local to a thread. The concept allows storage of data that appears to be global in a system with separate threads.
Thread-local storage Variables are localized so that each thread has its own private copy. These variables retain their values across subroutine and other code boundaries and are thread-safe since they are local to each thread, even though the code which accesses them might be executed simultaneously by another thread. Immutable objects
Transport Layer Security, a cryptographic protocol for secure computer network communication; Thread level speculation, an optimisation on multiprocessor CPUs; Thread-local storage, a mechanism for allocating variables in computer science; Transparent LAN Service, a transparent data link connecting remote Ethernet networks
Storage security is a specialty area of security that is concerned with securing data storage systems and ecosystems and the data that resides on these systems.
lock contention: this occurs whenever one process or thread attempts to acquire a lock held by another process or thread. The more fine-grained the available locks, the less likely one process/thread will request a lock held by the other. (For example, locking a row rather than the entire table, or locking a cell rather than the entire row);
Every thread has a thread-local storage for small allocations. For large allocations mmap or sbrk can be used. TCMalloc, a malloc developed by Google, [33] has garbage-collection for local storage of dead threads. The TCMalloc is considered to be more than twice as fast as glibc's ptmalloc for multithreaded programs.
A new thread-local storage duration (in addition to the existing static, dynamic and automatic) is indicated by the storage specifier thread_local. Any object which could have static storage duration (i.e., lifetime spanning the entire execution of the program) may be given thread-local duration instead.
NPTL—Native POSIX Thread Library; ... NSS—Novell Storage Service; NSS—Network Security Services; ... TLS—Thread-Local Storage; TLS—Transport Layer Security;