32 	int ret;  in rproc_init()  local
92 	ret = pipe(rproc_pipe);  in rproc_init()
93 	if (ret < 0) {  in rproc_init()
103 	ssize_t ret;  in do_rproc_start()  local
105 	ret = pwrite(rproc_state_fd, "start", 5, 0);  in do_rproc_start()
106 	if (ret < 4)  in do_rproc_start()
119 	ssize_t ret;  in do_rproc_stop()  local
121 	ret = pwrite(rproc_state_fd, "stop", 4, 0);  in do_rproc_stop()
122 	if (ret < 4)  in do_rproc_stop()
125 	ret = write(rproc_pipe[1], "Y", 1);  in do_rproc_stop()
126 	if (ret != 1) {  in do_rproc_stop()