FreeBSD Device Drivers

Mutex Management Routines

The FreeBSD kernel provides the following seven functions for working with mutexes:

#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>

void
mtx_init(struct mtx mutex, const char name, const char type,
    int opts);

void
mtx_lock(struct mtx mutex);

void
mtx_lock_spin(struct mtx mutex); int mtx_trylock(struct mtx  ...