314     ssize_t rd = 0, offset = 0;  in fcgi_recv()  local
333             rd = recv(fd, buf+offset, sizeof(buf)-offset, MSG_DONTWAIT);  in fcgi_recv()
334         } while (rd < 0 && errno == EINTR);  in fcgi_recv()
336         if (rd > 0) {  in fcgi_recv()
337             offset += rd;  in fcgi_recv()
338             rd = fcgi_recv_packet(stream, offset);  in fcgi_recv()
339             if (rd < 0)  in fcgi_recv()
340                 return (-2 == rd) ? 0 : -1; /*(-2 indicates done)*/  in fcgi_recv()
341             if (rd > 0) {  in fcgi_recv()
342                 offset -= rd;  in fcgi_recv()
344                     memmove(buf, buf+rd, offset);  in fcgi_recv()
347         else if (0 == rd || (errno != EAGAIN && errno != EWOULDBLOCK))  in fcgi_recv()