'\" t
.\"     Title: ipc_findkey
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: Kernel IPC facilities
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "IPC_FINDKEY" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Kernel IPC facilities"
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.SH "NAME"
ipc_findkey \- find a key in an ipc identifier set
.SH "SYNOPSIS"
.HP \w'struct\ kern_ipc_perm\ *\ ipc_findkey('u
.BI "struct kern_ipc_perm * ipc_findkey(struct\ ipc_ids\ *\ " "ids" ", key_t\ " "key" ");"
.SH "ARGUMENTS"
.PP
\fIids\fR
.RS 4
ipc identifier set
.RE
.PP
\fIkey\fR
.RS 4
key to find
.RE
.SH "DESCRIPTION"
.PP
Returns the locked pointer to the ipc structure if found or NULL otherwise\&. If key is found ipc points to the owning ipc structure
.PP
Called with ipc_ids\&.rwsem held\&.
.SH "COPYRIGHT"
.br