Open System Services System Calls Reference Manual (G06.25+, H06.03+)

shmctl(2) OSS System Calls Reference Manual

• The cmd parameter is IPC_SET, and the buf structure is not in the

address space of the process.

[EINVAL] One of the following conditions exists:

• The shmid parameter does not specify a valid shared memory identiﬁer.

• The cmd parameter is not a valid command.

[ENOTOSS] The calling process is not an OSS process. The requested operation is not sup-

ported from the Guardian environment.

[EPERM] The cmd parameter is equal to either IPC_RMID or IPC_SET, and the calling

process does not have the correct privileges.

RELATED INFORMATION

Commands: ipcrm(1), ipcs(1).

Functions: shmat(2), shmdt(2), shmget(2).

STANDARDS CONFORMANCE

The following are HP extensions to the XPG4 Version 2 speciﬁcation:

• The errno values [EFAULT] and [ENOTOSS] can be returned.

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