X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/89b3af67bb32e691275bf6fa803d1834b2284115..527f99514973766e9c0382a4d8550dfb00f54939:/bsd/sys/lockf.h?ds=sidebyside

diff --git a/bsd/sys/lockf.h b/bsd/sys/lockf.h
index 4ba9a3864..e20bf8733 100644
--- a/bsd/sys/lockf.h
+++ b/bsd/sys/lockf.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004-2006 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -73,11 +73,17 @@ struct vnode;
 MALLOC_DECLARE(M_LOCKF);
 #endif
 
+#if IMPORTANCE_INHERITANCE
+#define LF_NOT_BOOSTED  0
+#define LF_BOOSTED      1
+#endif /* IMPORTANCE_INHERITANCE */
+
 /*
  * The lockf structure is a kernel structure which contains the information
  * associated with a byte range lock.  The lockf structures are linked into
- * the inode structure. Locks are sorted by the starting byte of the lock for
- * efficiency.
+ * the vnode structure.  Locks are sorted by the starting byte of the lock for
+ * efficiency after they have been committed; uncommitted locks are on the list
+ * head so they may quickly be accessed, and are both short lived and transient.
  */
 TAILQ_HEAD(locklist, lockf);
 
@@ -94,6 +100,10 @@ struct lockf {
 	struct	lockf *lf_next;	    /* Pointer to the next lock on this inode */
 	struct	locklist lf_blkhd;  /* List of requests blocked on this lock */
 	TAILQ_ENTRY(lockf) lf_block;/* A request waiting for a lock */
+#if IMPORTANCE_INHERITANCE
+	int     lf_boosted;         /* Is the owner of the lock boosted */
+#endif
+	struct proc *lf_owner;	    /* The proc that did the SETLK, if known */
 };
 
 #pragma pack()
@@ -103,12 +113,17 @@ struct lockf {
 
 __BEGIN_DECLS
 
-int	 lf_advlock(struct vnop_advlock_args *);
+#ifdef KERNEL_PRIVATE
+int	lf_advlock(struct vnop_advlock_args *);
+int	lf_assert(struct vnop_advlock_args *, void **);
+void	lf_commit(void *, int);
+void	lf_abort_advlocks(vnode_t);
 
 #ifdef LOCKF_DEBUG
 void	lf_print(char *, struct lockf *);
 void	lf_printlist(char *, struct lockf *);
 #endif
+#endif /* KERNEL_PRIVATE */
 
 __END_DECLS