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IPC_FINDKEY(9) Kernel IPC facilities IPC_FINDKEY(9)

NAME

ipc_findkey - find a key in an ipc identifier set

SYNOPSIS

struct kern_ipc_perm * ipc_findkey(struct ipc_ids * ids, key_t key);

ARGUMENTS

ids
Identifier set
key
The key to find

DESCRIPTION

Requires ipc_ids.rw_mutex locked. Returns the LOCKED pointer to the ipc structure if found or NULL if not. If key is found ipc points to the owning ipc structure

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.