extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
extern int grep_threads_ok(const struct grep_opt *opt);
-#ifndef NO_PTHREADS
/*
* Mutex used around access to the attributes machinery if
* opt->use_threads. Must be initialized/destroyed by callers!
pthread_mutex_unlock(&grep_read_mutex);
}
-#else
-#define grep_read_lock()
-#define grep_read_unlock()
-#endif
-
#endif