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#ifndef KERN_WAITQ_H_
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#ifndef KERN_WAITQ_H_
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#define KERN_WAITQ_H_
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#define KERN_WAITQ_H_
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#include <arch/types.h>
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#include <arch/types.h>
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#include <typedefs.h>
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#include <synch/spinlock.h>
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#include <synch/spinlock.h>
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#include <synch/synch.h>
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#include <synch/synch.h>
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#include <adt/list.h>
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#include <adt/list.h>
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#define WAKEUP_FIRST    0
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#define WAKEUP_FIRST    0
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    int missed_wakeups; /**< Number of waitq_wakeup() calls that didn't find a thread to wake up. */
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    int missed_wakeups; /**< Number of waitq_wakeup() calls that didn't find a thread to wake up. */
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    link_t head;        /**< List of sleeping threads for wich there was no missed_wakeup. */
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    link_t head;        /**< List of sleeping threads for wich there was no missed_wakeup. */
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} waitq_t;
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} waitq_t;
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#define waitq_sleep(wq) \
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#define waitq_sleep(wq) \
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    waitq_sleep_timeout((wq),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NONE)
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    waitq_sleep_timeout((wq), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE)
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extern void waitq_initialize(waitq_t *wq);
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extern void waitq_initialize(waitq_t *wq);
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extern int waitq_sleep_timeout(waitq_t *wq, uint32_t usec, int flags);
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extern int waitq_sleep_timeout(waitq_t *wq, uint32_t usec, int flags);
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extern ipl_t waitq_sleep_prepare(waitq_t *wq);
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extern ipl_t waitq_sleep_prepare(waitq_t *wq);
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extern int waitq_sleep_timeout_unsafe(waitq_t *wq, uint32_t usec, int flags);
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extern int waitq_sleep_timeout_unsafe(waitq_t *wq, uint32_t usec, int flags);
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extern void waitq_sleep_finish(waitq_t *wq, int rc, ipl_t ipl);
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extern void waitq_sleep_finish(waitq_t *wq, int rc, ipl_t ipl);
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extern void waitq_wakeup(waitq_t *wq, bool all);
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extern void waitq_wakeup(waitq_t *wq, bool all);
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extern void _waitq_wakeup_unsafe(waitq_t *wq, bool all);
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extern void _waitq_wakeup_unsafe(waitq_t *wq, bool all);
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extern void waitq_interrupt_sleep(thread_t *t);
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#endif
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#endif
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/** @}
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/** @}
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 */
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 */