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umount /home/you/dir # or, after finding the associated loop number by e.g. mount | grep "/home/you/dir" # or losetup -a | grep example.img umount /dev/loop<N> At a lower level application programming interface , the association and disassociation of a file with a loop device is performed with the ioctl system call on a loop device.
Loop tiling partitions a loop's iteration space into smaller chunks or blocks, so as to help ensure data used in a loop stays in the cache until it is reused. The partitioning of loop iteration space leads to partitioning of a large array into smaller blocks, thus fitting accessed array elements into cache size, enhancing cache reuse and eliminating cache size requirements.
epoll is a Linux kernel system call for a scalable I/O event notification mechanism, first introduced in version 2.5.45 of the Linux kernel. [1] Its function is to monitor multiple file descriptors to see whether I/O is possible on any of them.
PCLinuxOS 2012.02 version was released on February 22, 2012. [12] [13] [14] Later another maintenance release was made on August 22, 2012. Major changes compared to the 2011 release are: Kernel has been updated to version 3.2; KDE version 4.8.2; nVIDIA and ATi fglrx driver support; KDE Settings set to dark by default
The following C code examples illustrate two threads that share a global integer i. The first thread uses busy-waiting to check for a change in the value of i : #include <pthread.h> #include <stdatomic.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> /* i is global, so it is visible to all functions.
Linux From Scratch is a way to install a working Linux system by building all components of it manually. This is, naturally, a longer process than installing a pre-compiled Linux distribution . According to the Linux From Scratch site, the advantages to this method are a compact, flexible and secure system and a greater understanding of the ...
Like LinuxThreads, NPTL is a 1:1 threads library. Threads created by the library (via pthread_create ) correspond one-to-one with schedulable entities in the kernel ( processes , in the Linux case). [ 4 ] : 226 This is the simplest of the three threading models (1:1, N:1, and M:N).
The Linux 2.4 ports were forward ported from the 2.0.36 Linux kernel by Michael Leslie and Evan Stawnyczy during their work at Rt-Control. There were never any μClinux extensions applied to the 2.2 series kernels. Since version 2.5.46 of the Linux kernel, the major parts of μClinux have been integrated with the mainline kernel for a number of ...