diff options
Diffstat (limited to 'firmware/kernel/include/timeout.h')
-rw-r--r-- | firmware/kernel/include/timeout.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/firmware/kernel/include/timeout.h b/firmware/kernel/include/timeout.h new file mode 100644 index 0000000000..0b7c52ba4c --- /dev/null +++ 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_ */ |