minix/include/ddekit/condvar.h

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2011-02-25 13:31:20 +01:00
#ifndef _ddekit_condvar_h
#define _ddekit_condvar_h
/** \file ddekit/condvar.h */
#include <ddekit/ddekit.h>
#include <ddekit/lock.h>
struct ddekit_condvar;
typedef struct ddekit_condvar ddekit_condvar_t;
/* Initialize conditional variable. */
_PROTOTYPE( ddekit_condvar_t * ddekit_condvar_init, (void));
/* Uninitialize conditional variable. */
_PROTOTYPE( void ddekit_condvar_deinit, (ddekit_condvar_t *cvp));
/* Wait on a conditional variable. */
_PROTOTYPE( void ddekit_condvar_waiti, (ddekit_condvar_t *cvp,
ddekit_lock_t *mp));
/* Wait on a conditional variable at most until a timeout expires. (UNIMPL) */
_PROTOTYPE( int ddekit_condvar_wait_timed, (ddekit_condvar_t *cvp,
ddekit_lock_t *mp, int timo));
/* Send signal to the next one waiting for condvar. */
_PROTOTYPE( void ddekit_condvar_signal, (ddekit_condvar_t *cvp));
/* Send signal to all threads waiting for condvar. */
_PROTOTYPE( void ddekit_condvar_broadcast, (ddekit_condvar_t *cvp));
#endif