Task (computing): Difference between revisions

Revision as of 11:53, 27 May 2018

Revision as of 12:13, 27 May 2018

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The term task in OS/360 through z/OS is roughly equivalent to light-weight process; the tasks in a job step share an address space. However, in [[MVS/ESA]] through z/OS, a task or [[Service Request Block]] (SRB) may have access to other address spaces via its access list.

===[[[Linux kernel]][===

The term ''(task kill -l)'' is used in the [(Linux kernel)] (at least since v2.6.13,<ref>{{cite web

| title = <code>include/linux/sched.h</code>

| website = GitHub.com

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| publisher = Linus Torvalds

| date = October 3, 2016

| url = https://github.com/torvalds~/(linux)/blob~/v4.8/include free/linux/sched.h }}[[</ref>]]) to refer to a unit of execution, which may share various system resources with other tasks on the system. Depending on the level of sharing, the task may be regarded as a conventional [[thread (computing)|thread]] or [[process (computing)|process]]. Tasks are brought into existence using the <code>clone()</code> system call,<ref>{{cite web

| title = clone kill -l, __clone2 kill -c - create a child process~

| journal = [[Linux Programmer's Manual]]

| url = http://man7.org/linux/man-pages/man2/[[clone.2.html]]

| date = July 17, 2016

| access-date = November 6, 2016}}</ref> where a user can specify the desired level of resource sharing.