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BUF_TIMELOCK.9freebsd
Langue: en
Version: 309005 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
BSD mandoc
NAME
BUF_TIMELOCK - locks a bufferSYNOPSIS
In sys/param.h In sys/systm.h In sys/uio.h In sys/bio.h In sys/buf.h Ft int Fn BUF_TIMELOCK struct buf *bp int locktype char *wmesg int catch int timoDESCRIPTION
The Fn BUF_TIMELOCK function locks the given buffer, and limits the amount of time it will sleep to Fa timo and OR's Fa catch into the sleep's priority. Fa wmesg is the wmesg used in the sleep.Its arguments are:
- Fa bp
- The buffer to lock.
- Fa locktype
- Flags controlling the type of lock. See lockmgr(9) for details.
- Fa wmesg
- The wmesg used in any sleeps while acquiring the lock.
- Fa catch
- Priority OR'd into the sleep's priority.
- Fa timo
- The timeout for any sleeps encountered during the lock.
RETURN VALUES
A value of 0 is returned on success. See lockmgr(9) for details on non-zero return values.SEE ALSO
buf(9), BUF_LOCK9, BUF_UNLOCK9, lockmgr(9)AUTHORS
This manual page was written by An Chad David Aq davidc@acns.ab.ca .Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre