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For example, a lock file might govern access to a set of related resources, such as several different files, directories, a group of disk partitions, or selected access to higher level protocols like servers or database connections. When using lock files, care must be taken to ensure that operations are atomic. To obtain a lock, the process ...
The file system has two different inode on-disk layouts. One is compact, and the other is extended. [1]Little-endian on-disk design [1]; 32-bit block addressing, which currently limits the total possible capacity of an EROFS filesystem to 16 TiB of 4 KiB block size.
A memory-mapped file is a segment of virtual memory [1] that has been assigned a direct byte-for-byte correlation with some portion of a file or file-like resource. This resource is typically a file that is physically present on disk, but can also be a device, shared memory object, or other resource that an operating system can reference through a file descriptor.
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 ...
In this solution of the readers/writers problem, the first reader must lock the resource (shared file) if such is available. Once the file is locked from writers, it may be used by many subsequent readers without having them to re-lock it again. Before entering the critical section, every new reader must go through the entry section. However ...
Ree's recipe only takes ten minutes of prep and tastes a thousand times better. Get Ree's Tomato Soup with Parmesan Croutons recipe. Ree Drummond. Air Fryer Grilled Cheese.
"Read the recipe directions, and stage the ingredients," Tiess explains. "If a dish is finished with rice like in a jambalaya, then add the rice towards the end, based upon the amount of liquid ...
A forced free trial is a direct-marketing technique, usually for goods sold by regular subscription, in which potential buyers are sent a number of free product sample, usually periodic publications. Often, publishers distribute free copies and the reader is not asked to subscribe.