[PATCH] pi-futex: rt mutex core

Core functions for the rt-mutex subsystem.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/kernel/rtmutex.h b/kernel/rtmutex.h
new file mode 100644
index 000000000000..1e0fca13ff72
--- /dev/null
+++ b/kernel/rtmutex.h
@@ -0,0 +1,29 @@
+/*
+ * RT-Mutexes: blocking mutual exclusion locks with PI support
+ *
+ * started by Ingo Molnar and Thomas Gleixner:
+ *
+ *  Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
+ *  Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
+ *
+ * This file contains macros used solely by rtmutex.c.
+ * Non-debug version.
+ */
+
+#define __IP_DECL__
+#define __IP__
+#define __RET_IP__
+#define rt_mutex_deadlock_check(l)                      (0)
+#define rt_mutex_deadlock_account_lock(m, t)            do { } while (0)
+#define rt_mutex_deadlock_account_unlock(l)             do { } while (0)
+#define debug_rt_mutex_init_waiter(w)                   do { } while (0)
+#define debug_rt_mutex_free_waiter(w)                   do { } while (0)
+#define debug_rt_mutex_lock(l)                          do { } while (0)
+#define debug_rt_mutex_proxy_lock(l,p)                  do { } while (0)
+#define debug_rt_mutex_proxy_unlock(l)                  do { } while (0)
+#define debug_rt_mutex_unlock(l)                        do { } while (0)
+#define debug_rt_mutex_init(m, n)                       do { } while (0)
+#define debug_rt_mutex_deadlock(d, a ,l)                do { } while (0)
+#define debug_rt_mutex_print_deadlock(w)                do { } while (0)
+#define debug_rt_mutex_detect_deadlock(w,d)             (d)
+#define debug_rt_mutex_reset_waiter(w)                  do { } while (0)