{"id":5740,"date":"2022-12-20T18:57:30","date_gmt":"2022-12-20T21:57:30","guid":{"rendered":"http:\/\/lode.uno\/linux-man\/index.php\/2022\/12\/20\/ipcrm-man1p\/"},"modified":"2022-12-20T18:57:30","modified_gmt":"2022-12-20T21:57:30","slug":"ipcrm-man1p","status":"publish","type":"post","link":"https:\/\/lode.uno\/linux-man\/2022\/12\/20\/ipcrm-man1p\/","title":{"rendered":"IPCRM (man1p)"},"content":{"rendered":"

IPCRM<\/h1>\n

PROLOG<\/a>
NAME<\/a>
SYNOPSIS<\/a>
DESCRIPTION<\/a>
OPTIONS<\/a>
OPERANDS<\/a>
STDIN<\/a>
INPUT FILES<\/a>
ENVIRONMENT VARIABLES<\/a>
ASYNCHRONOUS EVENTS<\/a>
STDOUT<\/a>
STDERR<\/a>
OUTPUT FILES<\/a>
EXTENDED DESCRIPTION<\/a>
EXIT STATUS<\/a>
CONSEQUENCES OF ERRORS<\/a>
APPLICATION USAGE<\/a>
EXAMPLES<\/a>
RATIONALE<\/a>
FUTURE DIRECTIONS<\/a>
SEE ALSO<\/a>
COPYRIGHT<\/a> <\/p>\n

\n

PROLOG <\/a> <\/h2>\n

This manual page is part of the POSIX Programmer\u2019s Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.<\/p>\n

NAME <\/a> <\/h2>\n

ipcrm \u2014 remove an XSI message queue, semaphore set, or shared memory segment identifier<\/p>\n

SYNOPSIS <\/a> <\/h2>\n

ipcrm [<\/b>-q msgid|-Q msgkey|-s semid|-S semkey|-m shmid|-M shmkey]<\/b>…<\/p>\n

DESCRIPTION <\/a> <\/h2>\n

The ipcrm<\/i> utility shall remove zero or more message queues, semaphore sets, or shared memory segments. The interprocess communication facilities to be removed are specified by the options.<\/p>\n

Only a user with appropriate privileges shall be allowed to remove an interprocess communication facility that was not created by or owned by the user invoking ipcrm<\/i>.<\/p>\n

OPTIONS <\/a> <\/h2>\n

The ipcrm<\/i> utility shall conform to the Base Definitions volume of POSIX.1-2017, Section 12.2<\/i>, Utility Syntax Guidelines<\/i>.<\/p>\n

The following options shall be supported:<\/p>\n\n\n\n\n\n\n\n
<\/td>\n\n

\u2212q\u00a0<\/b>msgid<\/i><\/p>\n<\/td>\n

<\/td>\n\n

Remove the message queue identifier msgid<\/i> from the system and destroy the message queue and data structure associated with it.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

\u2212m\u00a0<\/b>shmid<\/i><\/p>\n<\/td>\n

<\/td>\n\n

Remove the shared memory identifier shmid<\/i> from the system. The shared memory segment and data structure associated with it shall be destroyed after the last detach.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

\u2212s\u00a0<\/b>semid<\/i><\/p>\n<\/td>\n

<\/td>\n\n

Remove the semaphore identifier semid<\/i> from the system and destroy the set of semaphores and data structure associated with it.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

\u2212Q\u00a0<\/b>msgkey<\/i><\/p>\n<\/td>\n

<\/td>\n\n

Remove the message queue identifier, created with key msgkey<\/i>, from the system and destroy the message queue and data structure associated with it.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

\u2212M\u00a0<\/b>shmkey<\/i><\/p>\n<\/td>\n

<\/td>\n\n

Remove the shared memory identifier, created with key shmkey<\/i>, from the system. The shared memory segment and data structure associated with it shall be destroyed after the last detach.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

\u2212S\u00a0<\/b>semkey<\/i><\/p>\n<\/td>\n

<\/td>\n\n

Remove the semaphore identifier, created with key semkey<\/i>, from the system and destroy the set of semaphores and data structure associated with it.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n

OPERANDS <\/a> <\/h2>\n

None.<\/p>\n

STDIN <\/a> <\/h2>\n

Not used.<\/p>\n

INPUT FILES <\/a> <\/h2>\n

None.<\/p>\n

ENVIRONMENT VARIABLES <\/a> <\/h2>\n

The following environment variables shall affect the execution of ipcrm<\/i>:<\/p>\n\n\n\n\n
<\/td>\n\n

LANG<\/i><\/p>\n<\/td>\n

<\/td>\n\n

Provide a default value for the internationalization variables that are unset or null. (See the Base Definitions volume of POSIX.1-2017, Section 8.2<\/i>, Internationalization Variables<\/i> for the precedence of internationalization variables used to determine the values of locale categories.)<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

LC_ALL<\/i><\/p>\n<\/td>\n

<\/td>\n\n

If set to a non-empty string value, override the values of all the other internationalization variables.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

LC_CTYPE<\/i><\/p>\n<\/td>\n

<\/td>\n\n

Determine the locale for the interpretation of sequences of bytes of text data as characters (for example, single-byte as opposed to multi-byte characters in arguments).<\/p>\n<\/td>\n<\/tr>\n<\/table>\n

LC_MESSAGES<\/i><\/p>\n

Determine the locale that should be used to affect the format and contents of diagnostic messages written to standard error.<\/p>\n\n\n
<\/td>\n\n

NLSPATH<\/i><\/p>\n<\/td>\n

<\/td>\n\n

Determine the location of message catalogs for the processing of LC_MESSAGES<\/i>.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n

ASYNCHRONOUS EVENTS <\/a> <\/h2>\n

Default.<\/p>\n

STDOUT <\/a> <\/h2>\n

Not used.<\/p>\n

STDERR <\/a> <\/h2>\n

The standard error shall be used only for diagnostic messages.<\/p>\n

OUTPUT FILES <\/a> <\/h2>\n

None.<\/p>\n

EXTENDED DESCRIPTION <\/a> <\/h2>\n

None.<\/p>\n

EXIT STATUS <\/a> <\/h2>\n

The following exit values shall be returned:<\/p>\n\n\n\n
<\/td>\n\n

0<\/p>\n<\/td>\n

<\/td>\n\n

Successful completion.<\/p>\n<\/td>\n

 <\/td>\n<\/tr>\n
<\/td>\n\n

>0<\/p>\n<\/td>\n

<\/td>\n\n

An error occurred.<\/p>\n<\/td>\n

 <\/td>\n<\/tr>\n<\/table>\n

CONSEQUENCES OF ERRORS <\/a> <\/h2>\n

Default.<\/p>\n

The following sections are informative.<\/i><\/p>\n

APPLICATION USAGE <\/a> <\/h2>\n

None.<\/p>\n

EXAMPLES <\/a> <\/h2>\n

None.<\/p>\n

RATIONALE <\/a> <\/h2>\n

None.<\/p>\n

FUTURE DIRECTIONS <\/a> <\/h2>\n

None.<\/p>\n

SEE ALSO <\/a> <\/h2>\n

ipcs<\/i><\/p>\n

The Base Definitions volume of POSIX.1-2017, Chapter 8<\/i>, Environment Variables<\/i>, Section 12.2<\/i>, Utility Syntax Guidelines<\/i><\/p>\n

The System Interfaces volume of POSIX.1-2017, msgctl<\/i>(), semctl<\/i>(), shmctl<\/i>()<\/p>\n

COPYRIGHT <\/a> <\/h2>\n

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1-2017, Standard for Information Technology — Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http:\/\/www.opengroup.org\/unix\/online.html .<\/p>\n

Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source files to man page format. To report such errors, see https:\/\/www.kernel.org\/doc\/man-pages\/reporting_bugs.html .<\/p>\n

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