Lines Matching refs:rc
716 int rc = -1; in uart_backend_read() local
723 rc = read(be->fd, &rb, 1); in uart_backend_read()
737 rc = read(be->fd, &rb, 1); in uart_backend_read()
740 rc = recv(be->fd2, &rb, 1, 0); in uart_backend_read()
741 if (rc <= 0 && errno != EAGAIN) { in uart_backend_read()
752 __func__, rc, errno)); in uart_backend_read()
759 if (rc <= 0) in uart_backend_read()
768 int rc = -1; in uart_backend_write() local
777 rc = write(be->fd2, &wb, 1); in uart_backend_write()
780 rc = send(be->fd2, &wb, 1, 0); in uart_backend_write()
781 if (rc != 1) in uart_backend_write()
783 __func__, rc, errno)); in uart_backend_write()
789 return rc; in uart_backend_write()
877 int fd, rc = -1; in uart_open_backend() local
888 rc = 0; in uart_open_backend()
901 rc = 0; in uart_open_backend()
910 rc = 0; in uart_open_backend()
917 return rc; in uart_open_backend()