dm_freebsd_sysctl_mqueue Function

public function dm_freebsd_sysctl_mqueue(max_mqueues, max_messages, max_message_size) result(rc)

Returns POSIX message queue variables from sysctl(8).

The function returns the following error codes:

• E_FORMAT if output format is unexpected.
• E_PLATFORM if current system is not FreeBSD.
• E_READ if pipe returned no bytes.
• E_SYSTEM if system call failed.

Arguments

Type	Intent	Optional	Attributes		Name
integer,	intent(out),	optional		::	max_mqueues	Max. number of mqueues.
integer,	intent(out),	optional		::	max_messages	Max. number of messages.
integer,	intent(out),	optional		::	max_message_size	Max. message size [byte].

Return Value integer