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Change len pararmeter from u_int to size_t.

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Document vslock() return values.
This commit is contained in:
truckman 2004-03-15 10:05:27 +00:00
parent df17b6c2c8
commit 9e29439889
1 changed files with 29 additions and 8 deletions
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37
share/man/man9/vslock.9
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@ -48,10 +48,10 @@
.In sys/proc.h
.In vm/vm.h
.In vm/vm_extern.h
.Ft int
.Fn vslock "void *addr" "size_t len"
.Ft void
.Fn vslock "void *addr" "u_int len"
.Ft void
.Fn vsunlock "void *addr" "u_int len"
.Fn vsunlock "void *addr" "size_t len"
.Sh DESCRIPTION
The
.Fn vslock
@ -69,8 +69,29 @@ to the next page boundary.
The process context to use for this operation is taken from the
global variable
.Va curproc .
.Pp
.\" .Sh SEE ALSO
.\" .Xr physio 9
.Sh BUGS
The process pointer should be passed in as an argument.
.Sh RETURN VALUES
The
.Fn vslock
function will return 0 on success, otherwise it will return
one of the errors listed below.
.Sh ERRORS
The
.Fn vslock
function will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
The
.Fa addr
and
.Fa len
parameters specify a memory range that wraps around the end of the
machine address space.
.It Bq Er ENOMEM
The size of the specified address range exceeds the system
limit on locked memory.
.It Bq Er ENOMEM
Locking the requested address range would cause the process to exceed
its per-process locked memory limit.
.It Bq Er EFAULT
Some portion of the indicated address range is not allocated.
There was an error faulting/mapping a page.