lockdep: add lockdep_{on,off}() functions.

[fs/lustre-release.git] / libcfs / include / libcfs / user-time.h

diff --git a/libcfs/include/libcfs/user-time.h b/libcfs/include/libcfs/user-time.h
index 874b7da..5a5cc3e 100644 (file)
--- a/libcfs/include/libcfs/user-time.h
+++ b/libcfs/include/libcfs/user-time.h
@@ -1,26 +1,43 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
- * Copyright (C) 2004 Cluster File Systems, Inc.
- * Author: Nikita Danilov <nikita@clusterfs.com>
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- * This file is part of Lustre, http://www.lustre.org.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- * Lustre is free software; you can redistribute it and/or modify it under the
- * terms of version 2 of the GNU General Public License as published by the
- * Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  *
- * Lustre is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
- * details.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
  *
- * You should have received a copy of the GNU General Public License along
- * with Lustre; if not, write to the Free Software Foundation, Inc., 675 Mass
- * Ave, Cambridge, MA 02139, USA.
+ * libcfs/include/libcfs/user-time.h
  *
  * Implementation of portable time API for user-level.
  *
+ * Author: Nikita Danilov <nikita@clusterfs.com>
  */
 
 #ifndef __LIBCFS_USER_TIME_H__
@@ -78,20 +95,22 @@
  * Liblustre. time(2) based implementation.
  */
 
-#include <sys/types.h>
-#include <sys/time.h>
-#include <time.h>
-
 typedef time_t cfs_fs_time_t;
 typedef time_t cfs_time_t;
-typedef long cfs_duration_t;
+typedef time_t cfs_duration_t;
+
+/* looks like linux */
+#define time_after(a, b) ((long)(b) - (long)(a) < 0)
+#define time_before(a, b) time_after(b,a)
+#define time_after_eq(a,b)      ((long)(a) - (long)(b) >= 0)
+#define time_before_eq(a,b) time_after_eq(b,a)
 
 static inline cfs_time_t cfs_time_current(void)
 {
         return time(NULL);
 }
 
-static inline cfs_duration_t cfs_time_seconds(int seconds)
+static inline cfs_duration_t cfs_time_seconds(cfs_time_t seconds)
 {
         return seconds;
 }
@@ -101,16 +120,6 @@ static inline time_t cfs_time_current_sec(void)
         return cfs_time_seconds(cfs_time_current());
 }
 
-static inline int cfs_time_before(cfs_time_t t1, cfs_time_t t2)
-{
-        return t1 < t2;
-}
-
-static inline int cfs_time_beforeq(cfs_time_t t1, cfs_time_t t2)
-{
-        return t1 <= t2;
-}
-
 static inline cfs_duration_t cfs_duration_build(int64_t nano)
 {
         return (cfs_duration_t) (nano / ONE_BILLION);
@@ -167,24 +176,15 @@ static inline int cfs_fs_time_beforeq(cfs_fs_time_t *t1, cfs_fs_time_t *t2)
 
 #define CFS_TICK                (1)
 
-static inline cfs_time_t cfs_time_add(cfs_time_t t, cfs_duration_t d)
-{
-        return t + d;
-}
-
-static inline cfs_duration_t cfs_time_sub(cfs_time_t t1, cfs_time_t t2)
-{
-        return t1 - t2;
-}
-
 #define cfs_time_current_64 cfs_time_current
 #define cfs_time_add_64     cfs_time_add
 #define cfs_time_shift_64   cfs_time_shift
 #define cfs_time_before_64  cfs_time_before
 #define cfs_time_beforeq_64 cfs_time_beforeq
 
+/* XXX needs to move to arch specific header or configured */
 #ifndef CFS_TIME_T
-#define CFS_TIME_T              "%u"
+#define CFS_TIME_T              "%lu"
 #endif
 
 #define CFS_DURATION_T          "%ld"