LU-513 Make cfs_wait_event_interruptible_exclusive really exclusive

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

diff --git a/libcfs/include/libcfs/libcfs.h b/libcfs/include/libcfs/libcfs.h
index bedc82f..863ca3a 100644 (file)
--- a/libcfs/include/libcfs/libcfs.h
+++ b/libcfs/include/libcfs/libcfs.h
@@ -26,8 +26,11 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2011 Whamcloud, Inc.
+ *
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -224,9 +227,11 @@ int cfs_daemonize_ctxt(char *str);
 cfs_sigset_t cfs_get_blocked_sigs(void);
 cfs_sigset_t cfs_block_allsigs(void);
 cfs_sigset_t cfs_block_sigs(cfs_sigset_t bits);
+cfs_sigset_t cfs_block_sigsinv(unsigned long sigs);
 void cfs_restore_sigs(cfs_sigset_t);
 int cfs_signal_pending(void);
 void cfs_clear_sigpending(void);
+
 /*
  * XXX Liang:
  * these macros should be removed in the future,
@@ -260,10 +265,15 @@ void cfs_stack_trace_fill(struct cfs_stack_trace *trace);
  */
 void *cfs_stack_trace_frame(struct cfs_stack_trace *trace, int frame_no);
 
+#ifndef O_NOACCESS
+#define O_NOACCESS O_NONBLOCK
+#endif
+
 /*
  * Universal open flags.
  */
-#define CFS_O_ACCMODE           0003
+#define CFS_O_NOACCESS          0003
+#define CFS_O_ACCMODE           CFS_O_NOACCESS
 #define CFS_O_CREAT             0100
 #define CFS_O_EXCL              0200
 #define CFS_O_NOCTTY            0400
@@ -284,6 +294,16 @@ int cfs_oflags2univ(int flags);
 /* convert universal open flags to local open flags */
 int cfs_univ2oflags(int flags);
 
+/*
+ * Random number handling
+ */
+
+/* returns a random 32-bit integer */
+unsigned int cfs_rand(void);
+/* seed the generator */
+void cfs_srand(unsigned int, unsigned int);
+void cfs_get_random_bytes(void *buf, int size);
+
 #include <libcfs/libcfs_debug.h>
 #include <libcfs/libcfs_private.h>
 #include <libcfs/libcfs_ioctl.h>
@@ -291,7 +311,10 @@ int cfs_univ2oflags(int flags);
 #include <libcfs/libcfs_time.h>
 #include <libcfs/libcfs_string.h>
 #include <libcfs/libcfs_kernelcomm.h>
+#include <libcfs/libcfs_workitem.h>
 #include <libcfs/libcfs_hash.h>
+#include <libcfs/libcfs_fail.h>
+#include <libcfs/params_tree.h>
 
 /* container_of depends on "likely" which is defined in libcfs_private.h */
 static inline void *__container_of(void *ptr, unsigned long shift)