ipcrm man page on Archlinux

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IPCRM(1P)		   POSIX Programmer's Manual		     IPCRM(1P)

PROLOG
       This  manual  page is part of the POSIX Programmer's 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.

NAME
       ipcrm — remove an XSI message queue, semaphore set,  or	shared	memory
       segment identifier

SYNOPSIS
       ipcrm [−q msgid|−Q msgkey|−s semid|−S semkey|−m shmid|−M shmkey]...

DESCRIPTION
       The  ipcrm  utility shall remove zero or more message queues, semaphore
       sets, or shared memory segments. The interprocess communication facili‐
       ties to be removed are specified by the options.

       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.

OPTIONS
       The  ipcrm  utility  shall  conform  to	the Base Definitions volume of
       POSIX.1‐2008, Section 12.2, Utility Syntax Guidelines.

       The following options shall be supported:

       −q msgid	 Remove the message queue identifier msgid from the system and
		 destroy  the message queue and data structure associated with
		 it.

       −m shmid	 Remove the shared memory identifier shmid  from  the  system.
		 The  shared memory segment and data structure associated with
		 it shall be destroyed after the last detach.

       −s semid	 Remove the semaphore identifier semid	from  the  system  and
		 destroy  the  set of semaphores and data structure associated
		 with it.

       −Q msgkey Remove the message queue identifier, created with key msgkey,
		 from the system and destroy the message queue and data struc‐
		 ture associated with it.

       −M shmkey Remove the shared memory identifier, created with key shmkey,
		 from the system. The shared memory segment and data structure
		 associated with it shall be destroyed after the last detach.

       −S semkey Remove the semaphore identifier,  created  with  key  semkey,
		 from  the  system  and destroy the set of semaphores and data
		 structure associated with it.

OPERANDS
       None.

STDIN
       Not used.

INPUT FILES
       None.

ENVIRONMENT VARIABLES
       The following environment  variables  shall  affect  the	 execution  of
       ipcrm:

       LANG	 Provide  a  default  value for the internationalization vari‐
		 ables that are unset or null. (See the Base Definitions  vol‐
		 ume  of POSIX.1‐2008, Section 8.2, Internationalization Vari‐
		 ables for the precedence  of  internationalization  variables
		 used to determine the values of locale categories.)

       LC_ALL	 If  set  to  a non-empty string value, override the values of
		 all the other internationalization variables.

       LC_CTYPE	 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).

       LC_MESSAGES
		 Determine the locale that should be used to affect the format
		 and  contents	of  diagnostic	messages  written  to standard
		 error.

       NLSPATH	 Determine the location of message catalogs for the processing
		 of LC_MESSAGES.

ASYNCHRONOUS EVENTS
       Default.

STDOUT
       Not used.

STDERR
       The standard error shall be used only for diagnostic messages.

OUTPUT FILES
       None.

EXTENDED DESCRIPTION
       None.

EXIT STATUS
       The following exit values shall be returned:

	0    Successful completion.

       >0    An error occurred.

CONSEQUENCES OF ERRORS
       Default.

       The following sections are informative.

APPLICATION USAGE
       None.

EXAMPLES
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       ipcs

       The  Base  Definitions  volume  of POSIX.1‐2008, Chapter 8, Environment
       Variables, Section 12.2, Utility Syntax Guidelines

       The System Interfaces volume of POSIX.1‐2008, msgctl(), semctl(),  shm‐
       ctl()

COPYRIGHT
       Portions	 of  this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
       --  Portable  Operating	System	Interface (POSIX), The Open Group Base
       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
       cal  and	 Electronics  Engineers,  Inc  and  The	 Open Group.  (This is
       POSIX.1-2008 with the 2013 Technical Corrigendum	 1  applied.)  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.unix.org/online.html .

       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.ker‐
       nel.org/doc/man-pages/reporting_bugs.html .

IEEE/The Open Group		     2013			     IPCRM(1P)
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