+typedef struct {
+ pthread_mutex_t mutex;
+ pthread_cond_t cond;
+} Zebra_mutex_cond;
+
+YAZ_EXPORT int zebra_mutex_cond_init (Zebra_mutex_cond *p);
+YAZ_EXPORT int zebra_mutex_cond_destroy (Zebra_mutex_cond *p);
+YAZ_EXPORT int zebra_mutex_cond_lock (Zebra_mutex_cond *p);
+YAZ_EXPORT int zebra_mutex_cond_unlock (Zebra_mutex_cond *p);
+YAZ_EXPORT int zebra_mutex_cond_wait (Zebra_mutex_cond *p);
+YAZ_EXPORT int zebra_mutex_cond_signal (Zebra_mutex_cond *p);
+