+ int r = 1; /* signal : not locked (yet) */
+
+ if (p->log_level)
+ { /* debugging */
+ r = pthread_mutex_trylock(&p->handle);
+ if (r)
+ {
+#if HAVE_SYS_TIME_H
+ long long d;
+ struct timeval tv1, tv2;
+ gettimeofday(&tv1, 0);
+#endif
+ yaz_log(p->log_level,
+ "yaz_mutex_enter: %p tid=%p name=%s waiting",
+ p, (void *) pthread_self(), p->name);
+#if HAVE_SYS_TIME_H
+ r = pthread_mutex_lock(&p->handle);
+ gettimeofday(&tv2, 0);
+ d = 1000000LL * ((long long) tv2.tv_sec - tv1.tv_sec) +
+ tv2.tv_usec - tv1.tv_usec;
+ yaz_log(p->log_level, "yaz_mutex_enter: %p tid=%p name=%s "
+ "lock delay %lld",
+ p, (void *) pthread_self(), p->name, d);
+#endif
+ }
+ else
+ {
+ yaz_log(p->log_level, "yaz_mutex_enter: %p tid=%p name=%s lock",
+ p, (void *) pthread_self(), p->name);
+ }
+ }
+ if (r)
+ {
+ r = pthread_mutex_lock(&p->handle);
+ if (p->log_level)
+ {
+ yaz_log(p->log_level, "yaz_mutex_enter: %p tid=%p name=%s lock",
+ p, (void *) pthread_self(), p->name);
+ }
+ }