sysv_mutex
sysv_mutex_init(struct sysv_mutex *mutex)
sysv_mutex_lock(struct sysv_mutex *mutex)
sysv_mutex_unlock(struct sysv_mutex *mutex)
sysv_cond_wait(int *val, struct sysv_mutex *mutex)
struct sysv_mutex lock; /* monitor lock */
int sysv_mutex_init(struct sysv_mutex *);
int sysv_mutex_lock(struct sysv_mutex *);
int sysv_mutex_unlock(struct sysv_mutex *);
struct sysv_mutex mutex;
struct sysv_mutex sem_mutex;
struct sysv_mutex mutex;