strmsgsz

Description

Maximum number of bytes that a single system call can pass to a STREAM to be placed in the data part of a message. Any write(2) exceeding this size is broken into multiple messages.

Data Type

Signed integer

Default

65,536

Range

0 to 262,144

Units

Bytes

Dynamic?

Yes

Validation

None

When to Change

When putmsg(2) calls return ERANGE.

Commitment Level

Unstable