INTRO (7) NetBSD Miscellaneous Information Manual INTRO (7 ...
INTRO (7) NetBSD Miscellaneous Information Manual INTRO (7 ...
INTRO (7) NetBSD Miscellaneous Information Manual INTRO (7 ...
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SYSCTL (7) <strong>NetBSD</strong> <strong>Miscellaneous</strong> <strong>Information</strong> <strong>Manual</strong> SYSCTL (7)<br />
kern.osrevision (KERN_OSREV)<br />
The system revision string.<br />
kern.ostype (KERN_OSTYPE)<br />
The system type string.<br />
kern.pipe (KERN_PIPE)<br />
Pipe settings. The third level names for the integer pipe settings is detailed below. The changeable<br />
column shows whether a process with appropriate privilege may change the value.<br />
Third level name Type Changeable<br />
kern.pipe.kvasiz integer yes<br />
kern.pipe.maxbigpipes integer yes<br />
kern.pipe.maxkvasz integer yes<br />
kern.pipe.limitkva integer yes<br />
kern.pipe.nbigpipes integer yes<br />
The variables are as follows:<br />
kern.pipe.kvasiz (KERN_PIPE_KVASIZ)<br />
Amount of kernel memory consumed by pipe buffers.<br />
kern.pipe.maxbigpipes (KERN_PIPE_MAXBIGPIPES)<br />
Maximum number of "big" pipes.<br />
kern.pipe.maxkvasz (KERN_PIPE_MAXKVASZ)<br />
Maximum amount of kernel memory to be used for pipes.<br />
kern.pipe.limitkva (KERN_PIPE_LIMITKVA)<br />
Limit for direct transfers via page loan.<br />
kern.pipe.nbigpipes (KERN_PIPE_NBIGPIPES)<br />
Number of "big" pipes.<br />
kern.posix1version (KERN_POSIX1)<br />
The version of ISO/IEC 9945 (POSIX 1003.1) with which the system attempts to comply.<br />
kern.posix_barriers (KERN_POSIX_BARRIERS)<br />
The version of IEEE Std 1003.1 (“POSIX.1”) and its Barriers option to which the system attempts<br />
to conform, otherwise 0.<br />
kern.posix_reader_writer_locks (KERN_POSIX_READER_WRITER_LOCKS)<br />
The version of IEEE Std 1003.1 (“POSIX.1”) and its Read-Write Locks option to which the system<br />
attempts to conform, otherwise 0.<br />
kern.posix_semaphores (KERN_POSIX_SEMAPHORES)<br />
The version of IEEE Std 1003.1 (“POSIX.1”) and its Semaphores option to which the system<br />
attempts to conform, otherwise 0.<br />
kern.posix_spin_locks (KERN_POSIX_SPIN_LOCKS)<br />
The version of IEEE Std 1003.1 (“POSIX.1”) and its Spin Locks option to which the system<br />
attempts to conform, otherwise 0.<br />
kern.posix_threads (KERN_POSIX_THREADS)<br />
The version of IEEE Std 1003.1 (“POSIX.1”) and its Threads option to which the system attempts<br />
to conform, otherwise 0.<br />
kern.posix_timers (KERN_POSIX_TIMERS)<br />
The version of IEEE Std 1003.1 (“POSIX.1”) and its Timers option to which the system attempts to<br />
conform, otherwise 0.<br />
<strong>NetBSD</strong> 3.0 December 27, 2007 8
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