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

[linux-2.6.git] / include / asm-arm / thread_notify.h

diff --git a/include/asm-arm/thread_notify.h b/include/asm-arm/thread_notify.h
new file mode 100644 (file)
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+++ b/include/asm-arm/thread_notify.h
@@ -0,0 +1,48 @@
+/*
+ *  linux/include/asm-arm/thread_notify.h
+ *
+ *  Copyright (C) 2006 Russell King.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef ASMARM_THREAD_NOTIFY_H
+#define ASMARM_THREAD_NOTIFY_H
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+
+#include <linux/notifier.h>
+#include <asm/thread_info.h>
+
+static inline int thread_register_notifier(struct notifier_block *n)
+{
+       extern struct atomic_notifier_head thread_notify_head;
+       return atomic_notifier_chain_register(&thread_notify_head, n);
+}
+
+static inline void thread_unregister_notifier(struct notifier_block *n)
+{
+       extern struct atomic_notifier_head thread_notify_head;
+       atomic_notifier_chain_unregister(&thread_notify_head, n);
+}
+
+static inline void thread_notify(unsigned long rc, struct thread_info *thread)
+{
+       extern struct atomic_notifier_head thread_notify_head;
+       atomic_notifier_call_chain(&thread_notify_head, rc, thread);
+}
+
+#endif
+
+/*
+ * These are the reason codes for the thread notifier.
+ */
+#define THREAD_NOTIFY_FLUSH    0
+#define THREAD_NOTIFY_RELEASE  1
+#define THREAD_NOTIFY_SWITCH   2
+
+#endif
+#endif