This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / kernel / mutex.h

diff --git a/kernel/mutex.h b/kernel/mutex.h
new file mode 100644 (file)
index 0000000..00fe84e
--- /dev/null
+++ b/kernel/mutex.h
@@ -0,0 +1,35 @@
+/*
+ * Mutexes: blocking mutual exclusion locks
+ *
+ * started by Ingo Molnar:
+ *
+ *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
+ *
+ * This file contains mutex debugging related internal prototypes, for the
+ * !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs:
+ */
+
+#define spin_lock_mutex(lock)                  spin_lock(lock)
+#define spin_unlock_mutex(lock)                        spin_unlock(lock)
+#define mutex_remove_waiter(lock, waiter, ti) \
+               __list_del((waiter)->list.prev, (waiter)->list.next)
+
+#define DEBUG_WARN_ON(c)                               do { } while (0)
+#define debug_mutex_set_owner(lock, new_owner)         do { } while (0)
+#define debug_mutex_clear_owner(lock)                  do { } while (0)
+#define debug_mutex_init_waiter(waiter)                        do { } while (0)
+#define debug_mutex_wake_waiter(lock, waiter)          do { } while (0)
+#define debug_mutex_free_waiter(waiter)                        do { } while (0)
+#define debug_mutex_add_waiter(lock, waiter, ti, ip)   do { } while (0)
+#define debug_mutex_unlock(lock)                       do { } while (0)
+#define debug_mutex_init(lock, name)                   do { } while (0)
+
+/*
+ * Return-address parameters/declarations. They are very useful for
+ * debugging, but add overhead in the !DEBUG case - so we go the
+ * trouble of using this not too elegant but zero-cost solution:
+ */
+#define __IP_DECL__
+#define __IP__
+#define __RET_IP__
+