msgsys:msginfo_msgmax

Description

Maximum size of System V message.

Data Type

Unsigned long

Default

2048

Range

0 to amount of physical memory

Units

Bytes

Dynamic?

No. Loaded into msgmax field of msginfo structure.

Validation

None

When to Change

When msgsnd(2) calls return with error of EINVAL or at the recommendation of a software vendor.

Commitment Level

Unstable