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In Unix-like operating systems, find is a command-line utility that locates files based on some user-specified criteria and either prints the pathname of each matched object or, if another action is requested, performs that action on each matched object.
file: Filesystem Mandatory Determine file type Version 4 AT&T UNIX find: Filesystem Mandatory Find files Version 1 AT&T UNIX fold: Text processing Mandatory Filter for folding lines 1BSD fuser: Process management Optional (XSI) List process IDs of all processes that have one or more files open System V gencat: Misc Mandatory
While any attempt to perform the "lock" operation on an ordinary mutex (lock) would either fail or block when the mutex is already locked, on a recursive mutex this operation will succeed if and only if the locking thread is the one that already holds the lock. Typically, a recursive mutex tracks the number of times it has been locked, and ...
Before being introduced to lock granularity, one needs to understand three concepts about locks: lock overhead: the extra resources for using locks, like the memory space allocated for locks, the CPU time to initialize and destroy locks, and the time for acquiring or releasing locks. The more locks a program uses, the more overhead associated ...
Phase fair reader–writer lock, which alternates between readers and writers [17] std::sync::RwLock read/write lock in Rust [18] Poco::RWLock in POCO C++ Libraries; mse::recursive_shared_timed_mutex in the SaferCPlusPlus library is a version of std::shared_timed_mutex that supports the recursive ownership semantics of std::recursive_mutex.
Some problems feature no easy solution. Call them a sticky wicket, a wicked problem, or the Riemann hypothesis.. Or, college football’s transfer portal windows. Coaches from Steve Sarkisian of ...
The attempted robbery took place just before 5 a.m. on Dec. 9, according to ABC News' Washington affiliate KOMO. It involved a flatbed truck backing into and shattering the front windows of the ...
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