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-rw-r--r--sys/kern/kern_lock.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/sys/kern/kern_lock.c b/sys/kern/kern_lock.c
index ddd55bb..459811e 100644
--- a/sys/kern/kern_lock.c
+++ b/sys/kern/kern_lock.c
@@ -131,15 +131,16 @@ CTASSERT(LK_UNLOCKED == (LK_UNLOCKED &
#define lockmgr_xlocked(lk) \
(((lk)->lk_lock & ~(LK_FLAGMASK & ~LK_SHARE)) == (uintptr_t)curthread)
-static void assert_lockmgr(struct lock_object *lock, int how);
+static void assert_lockmgr(const struct lock_object *lock, int how);
#ifdef DDB
-static void db_show_lockmgr(struct lock_object *lock);
+static void db_show_lockmgr(const struct lock_object *lock);
#endif
-static void lock_lockmgr(struct lock_object *lock, int how);
+static void lock_lockmgr(struct lock_object *lock, int how);
#ifdef KDTRACE_HOOKS
-static int owner_lockmgr(struct lock_object *lock, struct thread **owner);
+static int owner_lockmgr(const struct lock_object *lock,
+ struct thread **owner);
#endif
-static int unlock_lockmgr(struct lock_object *lock);
+static int unlock_lockmgr(struct lock_object *lock);
struct lock_class lock_class_lockmgr = {
.lc_name = "lockmgr",
@@ -165,7 +166,7 @@ SYSCTL_UINT(_debug_lockmgr, OID_AUTO, loops, CTLFLAG_RW, &alk_loops, 0, "");
#endif
static __inline struct thread *
-lockmgr_xholder(struct lock *lk)
+lockmgr_xholder(const struct lock *lk)
{
uintptr_t x;
@@ -335,7 +336,7 @@ wakeupshlk(struct lock *lk, const char *file, int line)
}
static void
-assert_lockmgr(struct lock_object *lock, int what)
+assert_lockmgr(const struct lock_object *lock, int what)
{
panic("lockmgr locks do not support assertions");
@@ -357,7 +358,7 @@ unlock_lockmgr(struct lock_object *lock)
#ifdef KDTRACE_HOOKS
static int
-owner_lockmgr(struct lock_object *lock, struct thread **owner)
+owner_lockmgr(const struct lock_object *lock, struct thread **owner)
{
panic("lockmgr locks do not support owner inquiring");
@@ -1260,7 +1261,7 @@ _lockmgr_disown(struct lock *lk, const char *file, int line)
}
void
-lockmgr_printinfo(struct lock *lk)
+lockmgr_printinfo(const struct lock *lk)
{
struct thread *td;
uintptr_t x;
@@ -1289,7 +1290,7 @@ lockmgr_printinfo(struct lock *lk)
}
int
-lockstatus(struct lock *lk)
+lockstatus(const struct lock *lk)
{
uintptr_t v, x;
int ret;
@@ -1319,7 +1320,7 @@ FEATURE(invariant_support,
#endif
void
-_lockmgr_assert(struct lock *lk, int what, const char *file, int line)
+_lockmgr_assert(const struct lock *lk, int what, const char *file, int line)
{
int slocked = 0;
@@ -1412,12 +1413,12 @@ lockmgr_chain(struct thread *td, struct thread **ownerp)
}
static void
-db_show_lockmgr(struct lock_object *lock)
+db_show_lockmgr(const struct lock_object *lock)
{
struct thread *td;
- struct lock *lk;
+ const struct lock *lk;
- lk = (struct lock *)lock;
+ lk = (const struct lock *)lock;
db_printf(" state: ");
if (lk->lk_lock == LK_UNLOCKED)
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