Constify arguments for locking KPIs where possible.

This enables locking consumers to pass their own structures around as const and
be able to assert locks embedded into those structures.

Reviewed by:	ed, kib, jhb

5 files changed, 24 insertions, 24 deletions

diff --git a/share/man/man9/lock.9 b/share/man/man9/lock.9
index c94612a..049de42 100644
--- a/share/man/man9/lock.9
+++ b/share/man/man9/lock.9
@@ -26,7 +26,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 16, 2009
+.Dd November 16, 2011
 .Dt LOCK 9
 .Os
 .Sh NAME
@@ -60,20 +60,20 @@
 .Ft void
 .Fn lockmgr_disown "struct lock *lkp"
 .Ft void
-.Fn lockmgr_printinfo "struct lock *lkp"
+.Fn lockmgr_printinfo "const struct lock *lkp"
 .Ft int
-.Fn lockmgr_recursed "struct lock *lkp"
+.Fn lockmgr_recursed "const struct lock *lkp"
 .Ft int
 .Fn lockmgr_rw "struct lock *lkp" "u_int flags" "struct rwlock *ilk"
 .Ft int
-.Fn lockmgr_waiters "struct lock *lkp"
+.Fn lockmgr_waiters "const struct lock *lkp"
 .Ft int
-.Fn lockstatus "struct lock *lkp"
+.Fn lockstatus "const struct lock *lkp"
 .Pp
 .Cd "options INVARIANTS"
 .Cd "options INVARIANT_SUPPORT"
 .Ft void
-.Fn lockmgr_assert "struct lock *lkp" "int what"
+.Fn lockmgr_assert "const struct lock *lkp" "int what"
 .Sh DESCRIPTION
 The
 .Fn lockinit
diff --git a/share/man/man9/mutex.9 b/share/man/man9/mutex.9
index d1e7438..628939f 100644
--- a/share/man/man9/mutex.9
+++ b/share/man/man9/mutex.9
@@ -28,7 +28,7 @@
 .\"	from BSDI $Id: mutex.4,v 1.1.2.3 1998/04/27 22:53:13 ewv Exp $
 .\" $FreeBSD$
 .\"
-.Dd December 21, 2006
+.Dd November 16, 2011
 .Dt MUTEX 9
 .Os
 .Sh NAME
@@ -83,16 +83,16 @@
 .Ft int
 .Fn mtx_sleep "void *chan" "struct mtx *mtx" "int priority" "const char *wmesg" "int timo"
 .Ft int
-.Fn mtx_initialized "struct mtx *mutex"
+.Fn mtx_initialized "const struct mtx *mutex"
 .Ft int
-.Fn mtx_owned "struct mtx *mutex"
+.Fn mtx_owned "const struct mtx *mutex"
 .Ft int
-.Fn mtx_recursed "struct mtx *mutex"
+.Fn mtx_recursed "const struct mtx *mutex"
 .Pp
 .Cd "options INVARIANTS"
 .Cd "options INVARIANT_SUPPORT"
 .Ft void
-.Fn mtx_assert "struct mtx *mutex" "int what"
+.Fn mtx_assert "const struct mtx *mutex" "int what"
 .In sys/kernel.h
 .Fn MTX_SYSINIT "name" "struct mtx *mtx" "const char *description" "int opts"
 .Sh DESCRIPTION
diff --git a/share/man/man9/rmlock.9 b/share/man/man9/rmlock.9
index 2e68b07..bc20d70 100644
--- a/share/man/man9/rmlock.9
+++ b/share/man/man9/rmlock.9
@@ -26,7 +26,7 @@
 .\" $FreeBSD$
 .\"
 .\" Based on rwlock.9 man page
-.Dd November 10, 2007
+.Dd November 16, 2011
 .Dt RMLOCK 9
 .Os
 .Sh NAME
@@ -63,7 +63,7 @@
 .Ft void
 .Fn rm_wunlock "struct rmlock *rm"
 .Ft int
-.Fn rm_wowned "struct rmlock *rm"
+.Fn rm_wowned "const struct rmlock *rm"
 .In sys/kernel.h
 .Fn RM_SYSINIT "name" "struct rmlock *rm" "const char *desc" "int opts"
 .Sh DESCRIPTION
@@ -208,7 +208,7 @@ This functions destroys a lock previously initialized with
 The
 .Fa rm
 lock must be unlocked.
-.It Fn rm_wowned "struct rmlock *rm"
+.It Fn rm_wowned "const struct rmlock *rm"
 This function returns a non-zero value if the current thread owns an
 exclusive lock on
 .Fa rm .
diff --git a/share/man/man9/rwlock.9 b/share/man/man9/rwlock.9
index 5039a42..f7da699 100644
--- a/share/man/man9/rwlock.9
+++ b/share/man/man9/rwlock.9
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 1, 2008
+.Dd November 16, 2011
 .Dt RWLOCK 9
 .Os
 .Sh NAME
@@ -78,14 +78,14 @@
 .Ft int
 .Fn rw_sleep "void *chan" "struct rwlock *rw" "int priority" "const char *wmesg" "int timo"
 .Ft int
-.Fn rw_initialized "struct rwlock *rw"
+.Fn rw_initialized "const struct rwlock *rw"
 .Ft int
-.Fn rw_wowned "struct rwlock *rw"
+.Fn rw_wowned "const struct rwlock *rw"
 .Pp
 .Cd "options INVARIANTS"
 .Cd "options INVARIANT_SUPPORT"
 .Ft void
-.Fn rw_assert "struct rwlock *rw" "int what"
+.Fn rw_assert "const struct rwlock *rw" "int what"
 .In sys/kernel.h
 .Fn RW_SYSINIT "name" "struct rwlock *rw" "const char *desc"
 .Sh DESCRIPTION
@@ -231,7 +231,7 @@ while waiting for an event.
 For more details on the parameters to this function,
 see
 .Xr sleep 9 .
-.It Fn rw_initialized "struct rwlock *rw"
+.It Fn rw_initialized "const struct rwlock *rw"
 This function returns non-zero if
 .Fa rw
 has been initialized, and zero otherwise.
@@ -241,11 +241,11 @@ This functions destroys a lock previously initialized with
 The
 .Fa rw
 lock must be unlocked.
-.It Fn rw_wowned "struct rwlock *rw"
+.It Fn rw_wowned "const struct rwlock *rw"
 This function returns a non-zero value if the current thread owns an
 exclusive lock on
 .Fa rw .
-.It Fn rw_assert "struct rwlock *rw" "int what"
+.It Fn rw_assert "const struct rwlock *rw" "int what"
 This function allows assertions specified in
 .Fa what
 to be made about
diff --git a/share/man/man9/sx.9 b/share/man/man9/sx.9
index c75c6a7..b998749 100644
--- a/share/man/man9/sx.9
+++ b/share/man/man9/sx.9
@@ -26,7 +26,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 28, 2009
+.Dd November 16, 2011
 .Dt SX 9
 .Os
 .Sh NAME
@@ -88,12 +88,12 @@
 .Ft "struct thread *"
 .Fn sx_xholder "struct sx *sx"
 .Ft int
-.Fn sx_xlocked "struct sx *sx"
+.Fn sx_xlocked "const struct sx *sx"
 .Pp
 .Cd "options INVARIANTS"
 .Cd "options INVARIANT_SUPPORT"
 .Ft void
-.Fn sx_assert "struct sx *sx" "int what"
+.Fn sx_assert "const struct sx *sx" "int what"
 .In sys/kernel.h
 .Fn SX_SYSINIT "name" "struct sx *sx" "const char *description"
 .Sh DESCRIPTION