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root / lab4 / .minix-src / include / ddekit / condvar.h @ 13

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#ifndef _ddekit_condvar_h
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#define _ddekit_condvar_h
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/** \file ddekit/condvar.h */
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#include <ddekit/ddekit.h>
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#include <ddekit/lock.h>
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struct ddekit_condvar;
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typedef struct ddekit_condvar ddekit_condvar_t;
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/* Initialize conditional variable. */
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ddekit_condvar_t * ddekit_condvar_init(void);
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/* Uninitialize conditional variable. */
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void ddekit_condvar_deinit(ddekit_condvar_t *cvp);
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/* Wait on a conditional variable. */
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void ddekit_condvar_waiti(ddekit_condvar_t *cvp, ddekit_lock_t *mp);
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/* Wait on a conditional variable at most until a timeout expires. (UNIMPL) */
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int ddekit_condvar_wait_timed(ddekit_condvar_t *cvp, ddekit_lock_t *mp,
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        int timo);
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/* Send signal to the next one waiting for condvar. */
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void ddekit_condvar_signal(ddekit_condvar_t *cvp);
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/* Send signal to all threads waiting for condvar. */
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void ddekit_condvar_broadcast(ddekit_condvar_t *cvp);
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#endif