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-rw-r--r--firmware/kernel/include/timeout.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/firmware/kernel/include/timeout.h b/firmware/kernel/include/timeout.h
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+++ b/firmware/kernel/include/timeout.h
@@ -0,0 +1,46 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Björn Stenberg
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _KERNEL_H_
+#define _KERNEL_H_
+
+#include "config.h"
+
+struct timeout;
+
+/* timeout callback type
+ * tmo - pointer to struct timeout associated with event
+ * return next interval or <= 0 to stop event
+ */
+#define MAX_NUM_TIMEOUTS 8
+typedef int (* timeout_cb_type)(struct timeout *tmo);
+
+struct timeout
+{
+ timeout_cb_type callback;/* callback - returning false cancels */
+ intptr_t data; /* data passed to callback */
+ long expires; /* expiration tick */
+};
+
+void timeout_register(struct timeout *tmo, timeout_cb_type callback,
+ int ticks, intptr_t data);
+void timeout_cancel(struct timeout *tmo);
+
+#endif /* _KERNEL_H_ */