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STREAMS Parameters
nstrpush
- Description
Specifies the number of modules that can be inserted into (pushed onto) a STREAM. - Data Type
Signed integer - Default
9 - Range
9 to 16 - Units
Modules - Dynamic?
Yes - Validation
None - When to Change
At the direction of your software vendor. No messages are displayed when a STREAM exceeds its permitted push count. A value of EINVAL is returned to the program that attempted the push. - Commitment Level
Unstable
strmsgsz
- Description
Specifies the 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 exceeding this size is broken into multiple messages. For more information, see write(2). - Data Type
Signed integer - Default
65,536 - Range
0 to 262,144 - Units
Bytes - Dynamic?
Yes - Validation
None - When to Change
When putmsg calls return ERANGE. For more information, see putmsg(2). - Commitment Level
Unstable
strctlsz
- Description
Specifies the maximum number of bytes that a single system call can pass to a STREAM to be placed in the control part of a message - Data Type
Signed integer - Default
1024 - Range
0 to MAXINT - Units
Bytes - Dynamic?
Yes - Validation
None - When to Change
At the direction of your software vendor. putmsg(2) calls return ERANGE if they attempt to exceed this limit. - Commitment Level
Unstable
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