FreeBSD Device Drivers

Condition Variable Management Routines

The FreeBSD kernel provides the following 11 functions for working with condition variables:

#include <sys/param.h>
#include <sys/proc.h>
#include <sys/condvar.h>

void
cv_init(struct cv *cvp, const char *d);

const char *
cv_wmesg(struct cv *cvp);

void
cv_wait(struct cv *cvp, lock);

void
cv_wait_unlock(struct cv